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.r047-tall-177946846500098.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)
.......................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CANInsertWithFailure-PT-100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tall-177946846500098
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 61M
-rw-r--r-- 1 mcc users 12K Mar 6 10:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 106K Mar 6 10:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 10:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 10:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K Mar 15 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 07:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Mar 6 10:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 154K Mar 6 10:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Mar 6 10:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 60M 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 CANInsertWithFailure-PT-100-UpperBounds-00
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-01
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-02
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-03
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-04
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-05
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-06
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-07
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-08
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-09
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-10
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-11
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-12
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-13
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-14
FORMULA_NAME CANInsertWithFailure-PT-100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779489228312

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CANInsertWithFailure-PT-100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 22:33:49] [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]
[2026-05-22 22:33:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:33:51] [INFO ] Load time of PNML (sax parser for PT used): 1330 ms
[2026-05-22 22:33:51] [INFO ] Transformed 21204 places.
[2026-05-22 22:33:51] [INFO ] Transformed 60600 transitions.
[2026-05-22 22:33:51] [INFO ] Parsed PT model containing 21204 places and 60600 transitions and 162000 arcs in 1589 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 60600 rows 21204 cols
[2026-05-22 22:34:17] [INFO ] Computed 103 invariants in 26201 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 1, 100, 100, 100, 100, 100, 100]
FORMULA CANInsertWithFailure-PT-100-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (3 resets) in 391 ms. (25 steps per ms)
BEST_FIRST walk for 150015 steps (30 resets) in 311 ms. (480 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
[2026-05-22 22:34:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Support contains 15 out of 21204 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21204/21204 places, 60600/60600 transitions.
Graph (complete) has 81501 edges and 21204 vertex of which 21203 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.57 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 699 transitions
Trivial Post-agglo rules discarded 699 transitions
Performed 699 trivial Post agglomeration. Transition count delta: 699
Iterating post reduction 0 with 699 rules applied. Total rules applied 700 place count 21203 transition count 59901
Reduce places removed 699 places and 0 transitions.
Iterating post reduction 1 with 699 rules applied. Total rules applied 1399 place count 20504 transition count 59901
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 1399 place count 20504 transition count 59900
Deduced a syphon composed of 1 places in 24 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 1401 place count 20503 transition count 59900
Performed 9891 Post agglomeration using F-continuation condition.Transition count delta: 9891
Deduced a syphon composed of 9891 places in 39 ms
Reduce places removed 9891 places and 0 transitions.
Iterating global reduction 2 with 19782 rules applied. Total rules applied 21183 place count 10612 transition count 50009
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 21184 place count 10612 transition count 50008
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 21185 place count 10611 transition count 50008
Partial Free-agglomeration rule applied 10096 times.
Drop transitions (Partial Free agglomeration) removed 10096 transitions
Iterating global reduction 3 with 10096 rules applied. Total rules applied 31281 place count 10611 transition count 50008
Partial Free-agglomeration rule applied 100 times.
Drop transitions (Partial Free agglomeration) removed 100 transitions
Iterating global reduction 3 with 100 rules applied. Total rules applied 31381 place count 10611 transition count 50008
Applied a total of 31381 rules in 35227 ms. Remains 10611 /21204 variables (removed 10593) and now considering 50008/60600 (removed 10592) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35259 ms. Remains : 10611/21204 places, 50008/60600 transitions.
[2026-05-22 22:35:32] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
// Phase 1: matrix 50002 rows 10611 cols
[2026-05-22 22:35:43] [INFO ] Computed 102 invariants in 11539 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
RANDOM walk for 689249 steps (1147 resets) in 30001 ms. (22 steps per ms)
BEST_FIRST walk for 15000015 steps (179 resets) in 37263 ms. (402 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
[2026-05-22 22:36:50] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 22:36:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:36:52] [INFO ] [Real]Absence check using 100 positive place invariants in 254 ms returned sat
[2026-05-22 22:36:52] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 111 ms returned sat
[2026-05-22 22:37:01] [INFO ] [Real]Absence check using state equation in 9104 ms returned sat
[2026-05-22 22:37:02] [INFO ] State equation strengthened by 49672 read => feed constraints.
[2026-05-22 22:37:09] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:37:09] [INFO ] [Real]Added 49672 Read/Feed constraints in 7351 ms returned sat
[2026-05-22 22:37:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:37:12] [INFO ] [Nat]Absence check using 100 positive place invariants in 226 ms returned sat
[2026-05-22 22:37:12] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 99 ms returned sat
[2026-05-22 22:37:21] [INFO ] [Nat]Absence check using state equation in 9764 ms returned sat
[2026-05-22 22:37:29] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:37:29] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7591 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:38:08] [INFO ] Deduced a trap composed of 2 places in 37824 ms of which 352 ms to minimize.
[2026-05-22 22:38:08] [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 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:38:09] [INFO ] [Real]Absence check using 100 positive place invariants in 222 ms returned sat
[2026-05-22 22:38:09] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 112 ms returned sat
[2026-05-22 22:38:19] [INFO ] [Real]Absence check using state equation in 9428 ms returned sat
[2026-05-22 22:38:27] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:38:27] [INFO ] [Real]Added 49672 Read/Feed constraints in 7545 ms returned sat
[2026-05-22 22:38:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:38:29] [INFO ] [Nat]Absence check using 100 positive place invariants in 228 ms returned sat
[2026-05-22 22:38:29] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 105 ms returned sat
[2026-05-22 22:38:39] [INFO ] [Nat]Absence check using state equation in 9370 ms returned sat
[2026-05-22 22:38:46] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:38:46] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7419 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:39:27] [INFO ] Deduced a trap composed of 2 places in 39711 ms of which 341 ms to minimize.
[2026-05-22 22:39:27] [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 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:39:28] [INFO ] [Real]Absence check using 100 positive place invariants in 213 ms returned sat
[2026-05-22 22:39:28] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 113 ms returned sat
[2026-05-22 22:39:37] [INFO ] [Real]Absence check using state equation in 9090 ms returned sat
[2026-05-22 22:39:45] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:39:45] [INFO ] [Real]Added 49672 Read/Feed constraints in 7223 ms returned sat
[2026-05-22 22:39:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:39:47] [INFO ] [Nat]Absence check using 100 positive place invariants in 204 ms returned sat
[2026-05-22 22:39:47] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 94 ms returned sat
[2026-05-22 22:39:57] [INFO ] [Nat]Absence check using state equation in 9319 ms returned sat
[2026-05-22 22:40:04] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:40:04] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7079 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:40:41] [INFO ] Deduced a trap composed of 2 places in 36836 ms of which 328 ms to minimize.
[2026-05-22 22:40:41] [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 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:40:42] [INFO ] [Real]Absence check using 100 positive place invariants in 210 ms returned sat
[2026-05-22 22:40:43] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 103 ms returned sat
[2026-05-22 22:40:51] [INFO ] [Real]Absence check using state equation in 8779 ms returned sat
[2026-05-22 22:41:00] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:41:00] [INFO ] [Real]Added 49672 Read/Feed constraints in 7568 ms returned sat
[2026-05-22 22:41:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:41:02] [INFO ] [Nat]Absence check using 100 positive place invariants in 220 ms returned sat
[2026-05-22 22:41:02] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 98 ms returned sat
[2026-05-22 22:41:11] [INFO ] [Nat]Absence check using state equation in 9287 ms returned sat
[2026-05-22 22:41:18] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:41:18] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7040 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:41:53] [INFO ] Deduced a trap composed of 2 places in 34226 ms of which 297 ms to minimize.
[2026-05-22 22:41:53] [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 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:41:54] [INFO ] [Real]Absence check using 100 positive place invariants in 184 ms returned sat
[2026-05-22 22:41:55] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 92 ms returned sat
[2026-05-22 22:42:03] [INFO ] [Real]Absence check using state equation in 8455 ms returned sat
[2026-05-22 22:42:11] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:42:11] [INFO ] [Real]Added 49672 Read/Feed constraints in 7093 ms returned sat
[2026-05-22 22:42:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:42:13] [INFO ] [Nat]Absence check using 100 positive place invariants in 215 ms returned sat
[2026-05-22 22:42:13] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 91 ms returned sat
[2026-05-22 22:42:21] [INFO ] [Nat]Absence check using state equation in 8503 ms returned sat
[2026-05-22 22:42:29] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:42:29] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7539 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:43:07] [INFO ] Deduced a trap composed of 2 places in 37326 ms of which 286 ms to minimize.
[2026-05-22 22:43:07] [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 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:43:08] [INFO ] [Real]Absence check using 100 positive place invariants in 221 ms returned sat
[2026-05-22 22:43:08] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 107 ms returned sat
[2026-05-22 22:43:17] [INFO ] [Real]Absence check using state equation in 8763 ms returned sat
[2026-05-22 22:43:25] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:43:25] [INFO ] [Real]Added 49672 Read/Feed constraints in 7133 ms returned sat
[2026-05-22 22:43:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:43:27] [INFO ] [Nat]Absence check using 100 positive place invariants in 219 ms returned sat
[2026-05-22 22:43:27] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 97 ms returned sat
[2026-05-22 22:43:36] [INFO ] [Nat]Absence check using state equation in 8903 ms returned sat
[2026-05-22 22:43:43] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:43:43] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6987 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:44:16] [INFO ] Deduced a trap composed of 2 places in 32539 ms of which 290 ms to minimize.
[2026-05-22 22:44:16] [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 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:44:17] [INFO ] [Real]Absence check using 100 positive place invariants in 200 ms returned sat
[2026-05-22 22:44:18] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 93 ms returned sat
[2026-05-22 22:44:26] [INFO ] [Real]Absence check using state equation in 8773 ms returned sat
[2026-05-22 22:44:34] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:44:34] [INFO ] [Real]Added 49672 Read/Feed constraints in 6979 ms returned sat
[2026-05-22 22:44:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:44:36] [INFO ] [Nat]Absence check using 100 positive place invariants in 199 ms returned sat
[2026-05-22 22:44:36] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 86 ms returned sat
[2026-05-22 22:44:44] [INFO ] [Nat]Absence check using state equation in 8528 ms returned sat
[2026-05-22 22:44:51] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:44:51] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6814 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:45:25] [INFO ] Deduced a trap composed of 2 places in 32948 ms of which 291 ms to minimize.
[2026-05-22 22:45:25] [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 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:45:26] [INFO ] [Real]Absence check using 100 positive place invariants in 218 ms returned sat
[2026-05-22 22:45:26] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 93 ms returned sat
[2026-05-22 22:45:35] [INFO ] [Real]Absence check using state equation in 8631 ms returned sat
[2026-05-22 22:45:43] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:45:43] [INFO ] [Real]Added 49672 Read/Feed constraints in 7267 ms returned sat
[2026-05-22 22:45:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:45:45] [INFO ] [Nat]Absence check using 100 positive place invariants in 205 ms returned sat
[2026-05-22 22:45:45] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 87 ms returned sat
[2026-05-22 22:45:53] [INFO ] [Nat]Absence check using state equation in 8571 ms returned sat
[2026-05-22 22:46:00] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:46:00] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7004 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:46:33] [INFO ] Deduced a trap composed of 2 places in 32109 ms of which 281 ms to minimize.
[2026-05-22 22:46:33] [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 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:46:34] [INFO ] [Real]Absence check using 100 positive place invariants in 188 ms returned sat
[2026-05-22 22:46:34] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 95 ms returned sat
[2026-05-22 22:46:44] [INFO ] [Real]Absence check using state equation in 9154 ms returned sat
[2026-05-22 22:46:52] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:46:52] [INFO ] [Real]Added 49672 Read/Feed constraints in 7295 ms returned sat
[2026-05-22 22:46:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:46:54] [INFO ] [Nat]Absence check using 100 positive place invariants in 188 ms returned sat
[2026-05-22 22:46:54] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 89 ms returned sat
[2026-05-22 22:47:03] [INFO ] [Nat]Absence check using state equation in 9232 ms returned sat
[2026-05-22 22:47:10] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:47:10] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7309 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:47:44] [INFO ] Deduced a trap composed of 2 places in 33533 ms of which 283 ms to minimize.
[2026-05-22 22:47:44] [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.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:47:46] [INFO ] [Real]Absence check using 100 positive place invariants in 181 ms returned sat
[2026-05-22 22:47:46] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 92 ms returned sat
[2026-05-22 22:47:54] [INFO ] [Real]Absence check using state equation in 8513 ms returned sat
[2026-05-22 22:48:02] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:48:02] [INFO ] [Real]Added 49672 Read/Feed constraints in 7031 ms returned sat
[2026-05-22 22:48:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:48:04] [INFO ] [Nat]Absence check using 100 positive place invariants in 200 ms returned sat
[2026-05-22 22:48:04] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 89 ms returned sat
[2026-05-22 22:48:13] [INFO ] [Nat]Absence check using state equation in 8764 ms returned sat
[2026-05-22 22:48:20] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:48:20] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6975 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:48:54] [INFO ] Deduced a trap composed of 2 places in 33590 ms of which 291 ms to minimize.
[2026-05-22 22:48:54] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:48:55] [INFO ] [Real]Absence check using 100 positive place invariants in 200 ms returned sat
[2026-05-22 22:48:55] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 94 ms returned sat
[2026-05-22 22:49:04] [INFO ] [Real]Absence check using state equation in 9042 ms returned sat
[2026-05-22 22:49:12] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:49:12] [INFO ] [Real]Added 49672 Read/Feed constraints in 7379 ms returned sat
[2026-05-22 22:49:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:49:14] [INFO ] [Nat]Absence check using 100 positive place invariants in 188 ms returned sat
[2026-05-22 22:49:15] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 102 ms returned sat
[2026-05-22 22:49:24] [INFO ] [Nat]Absence check using state equation in 9087 ms returned sat
[2026-05-22 22:49:31] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:49:31] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7191 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:50:04] [INFO ] Deduced a trap composed of 2 places in 32906 ms of which 295 ms to minimize.
[2026-05-22 22:50:04] [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 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:50:06] [INFO ] [Real]Absence check using 100 positive place invariants in 203 ms returned sat
[2026-05-22 22:50:06] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 98 ms returned sat
[2026-05-22 22:50:14] [INFO ] [Real]Absence check using state equation in 8804 ms returned sat
[2026-05-22 22:50:22] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:50:22] [INFO ] [Real]Added 49672 Read/Feed constraints in 7158 ms returned sat
[2026-05-22 22:50:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:50:24] [INFO ] [Nat]Absence check using 100 positive place invariants in 197 ms returned sat
[2026-05-22 22:50:24] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 93 ms returned sat
[2026-05-22 22:50:33] [INFO ] [Nat]Absence check using state equation in 8545 ms returned sat
[2026-05-22 22:50:40] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:50:40] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6892 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:19] [INFO ] Deduced a trap composed of 2 places in 38116 ms of which 280 ms to minimize.
[2026-05-22 22:51:19] [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 11
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:51:20] [INFO ] [Real]Absence check using 100 positive place invariants in 199 ms returned sat
[2026-05-22 22:51:20] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 95 ms returned sat
[2026-05-22 22:51:28] [INFO ] [Real]Absence check using state equation in 8319 ms returned sat
[2026-05-22 22:51:36] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:51:36] [INFO ] [Real]Added 49672 Read/Feed constraints in 6895 ms returned sat
[2026-05-22 22:51:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:51:38] [INFO ] [Nat]Absence check using 100 positive place invariants in 221 ms returned sat
[2026-05-22 22:51:38] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 104 ms returned sat
[2026-05-22 22:51:47] [INFO ] [Nat]Absence check using state equation in 8992 ms returned sat
[2026-05-22 22:51:54] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:51:54] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6924 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:52:29] [INFO ] Deduced a trap composed of 2 places in 34426 ms of which 291 ms to minimize.
[2026-05-22 22:52:29] [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 12
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:52:30] [INFO ] [Real]Absence check using 100 positive place invariants in 196 ms returned sat
[2026-05-22 22:52:30] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 95 ms returned sat
[2026-05-22 22:52:39] [INFO ] [Real]Absence check using state equation in 9068 ms returned sat
[2026-05-22 22:52:47] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:52:47] [INFO ] [Real]Added 49672 Read/Feed constraints in 7103 ms returned sat
[2026-05-22 22:52:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:52:49] [INFO ] [Nat]Absence check using 100 positive place invariants in 206 ms returned sat
[2026-05-22 22:52:49] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 90 ms returned sat
[2026-05-22 22:52:58] [INFO ] [Nat]Absence check using state equation in 8516 ms returned sat
[2026-05-22 22:53:04] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:53:04] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6913 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:53:37] [INFO ] Deduced a trap composed of 2 places in 31707 ms of which 270 ms to minimize.
[2026-05-22 22:53:37] [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 13
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:53:38] [INFO ] [Real]Absence check using 100 positive place invariants in 184 ms returned sat
[2026-05-22 22:53:38] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 90 ms returned sat
[2026-05-22 22:53:46] [INFO ] [Real]Absence check using state equation in 8251 ms returned sat
[2026-05-22 22:53:54] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:53:54] [INFO ] [Real]Added 49672 Read/Feed constraints in 6764 ms returned sat
[2026-05-22 22:53:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:53:56] [INFO ] [Nat]Absence check using 100 positive place invariants in 197 ms returned sat
[2026-05-22 22:53:56] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 87 ms returned sat
[2026-05-22 22:54:04] [INFO ] [Nat]Absence check using state equation in 8336 ms returned sat
[2026-05-22 22:54:11] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:54:11] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7115 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:54:46] [INFO ] Deduced a trap composed of 2 places in 34442 ms of which 339 ms to minimize.
[2026-05-22 22:54:46] [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 14
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Support contains 15 out of 10611 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10611/10611 places, 50008/50008 transitions.
Applied a total of 0 rules in 4844 ms. Remains 10611 /10611 variables (removed 0) and now considering 50008/50008 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4844 ms. Remains : 10611/10611 places, 50008/50008 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10611/10611 places, 50008/50008 transitions.
Applied a total of 0 rules in 4772 ms. Remains 10611 /10611 variables (removed 0) and now considering 50008/50008 (removed 0) transitions.
[2026-05-22 22:54:56] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 22:54:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:55:27] [INFO ] Performed 3747/10611 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-22 22:55:32] [INFO ] Implicit Places using invariants in 36273 ms returned []
Implicit Place search using SMT only with invariants took 36290 ms to find 0 implicit places.
Running 49908 sub problems to find dead transitions.
[2026-05-22 22:55:33] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 22:55:33] [INFO ] Invariant cache hit.
[2026-05-22 22:55:33] [INFO ] State equation strengthened by 49672 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 10610/60613 variables, and 100 constraints, problems are : Problem set: 0 solved, 49908 unsolved in 30551 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/10611 constraints, ReadFeed: 0/49672 constraints, PredecessorRefiner: 49908/49908 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49908 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 10610/60613 variables, and 100 constraints, problems are : Problem set: 0 solved, 49908 unsolved in 30535 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/10611 constraints, ReadFeed: 0/49672 constraints, PredecessorRefiner: 0/49908 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 332009ms problems are : Problem set: 0 solved, 49908 unsolved
Search for dead transitions found 0 dead transitions in 332247ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 373475 ms. Remains : 10611/10611 places, 50008/50008 transitions.
[2026-05-22 23:01:05] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:01:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
RANDOM walk for 588688 steps (979 resets) in 30001 ms. (19 steps per ms)
BEST_FIRST walk for 15000015 steps (176 resets) in 39579 ms. (378 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
[2026-05-22 23:02:14] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:02:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:02:16] [INFO ] [Real]Absence check using 100 positive place invariants in 233 ms returned sat
[2026-05-22 23:02:16] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 107 ms returned sat
[2026-05-22 23:02:25] [INFO ] [Real]Absence check using state equation in 9636 ms returned sat
[2026-05-22 23:02:27] [INFO ] State equation strengthened by 49672 read => feed constraints.
[2026-05-22 23:02:34] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:02:34] [INFO ] [Real]Added 49672 Read/Feed constraints in 7894 ms returned sat
[2026-05-22 23:02:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:02:37] [INFO ] [Nat]Absence check using 100 positive place invariants in 221 ms returned sat
[2026-05-22 23:02:37] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 100 ms returned sat
[2026-05-22 23:02:46] [INFO ] [Nat]Absence check using state equation in 9322 ms returned sat
[2026-05-22 23:02:53] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:02:53] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7383 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:03:32] [INFO ] Deduced a trap composed of 2 places in 37723 ms of which 320 ms to minimize.
[2026-05-22 23:03:32] [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 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:03:33] [INFO ] [Real]Absence check using 100 positive place invariants in 190 ms returned sat
[2026-05-22 23:03:33] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 92 ms returned sat
[2026-05-22 23:03:42] [INFO ] [Real]Absence check using state equation in 8673 ms returned sat
[2026-05-22 23:03:50] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:03:50] [INFO ] [Real]Added 49672 Read/Feed constraints in 7545 ms returned sat
[2026-05-22 23:03:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:03:52] [INFO ] [Nat]Absence check using 100 positive place invariants in 201 ms returned sat
[2026-05-22 23:03:52] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 88 ms returned sat
[2026-05-22 23:04:02] [INFO ] [Nat]Absence check using state equation in 9429 ms returned sat
[2026-05-22 23:04:09] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:04:09] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7481 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:04:43] [INFO ] Deduced a trap composed of 2 places in 32791 ms of which 294 ms to minimize.
[2026-05-22 23:04:43] [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 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:04:44] [INFO ] [Real]Absence check using 100 positive place invariants in 207 ms returned sat
[2026-05-22 23:04:44] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 100 ms returned sat
[2026-05-22 23:04:54] [INFO ] [Real]Absence check using state equation in 9343 ms returned sat
[2026-05-22 23:05:01] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:05:01] [INFO ] [Real]Added 49672 Read/Feed constraints in 7196 ms returned sat
[2026-05-22 23:05:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:05:04] [INFO ] [Nat]Absence check using 100 positive place invariants in 221 ms returned sat
[2026-05-22 23:05:04] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 103 ms returned sat
[2026-05-22 23:05:13] [INFO ] [Nat]Absence check using state equation in 9496 ms returned sat
[2026-05-22 23:05:21] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:05:21] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7733 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:05:57] [INFO ] Deduced a trap composed of 2 places in 34904 ms of which 314 ms to minimize.
[2026-05-22 23:05:57] [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 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:05:58] [INFO ] [Real]Absence check using 100 positive place invariants in 197 ms returned sat
[2026-05-22 23:05:58] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 96 ms returned sat
[2026-05-22 23:06:07] [INFO ] [Real]Absence check using state equation in 8754 ms returned sat
[2026-05-22 23:06:14] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:06:14] [INFO ] [Real]Added 49672 Read/Feed constraints in 7041 ms returned sat
[2026-05-22 23:06:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:06:16] [INFO ] [Nat]Absence check using 100 positive place invariants in 202 ms returned sat
[2026-05-22 23:06:16] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 92 ms returned sat
[2026-05-22 23:06:25] [INFO ] [Nat]Absence check using state equation in 8666 ms returned sat
[2026-05-22 23:06:32] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:06:32] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7222 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:07:07] [INFO ] Deduced a trap composed of 2 places in 33609 ms of which 309 ms to minimize.
[2026-05-22 23:07:07] [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 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:07:08] [INFO ] [Real]Absence check using 100 positive place invariants in 198 ms returned sat
[2026-05-22 23:07:08] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 99 ms returned sat
[2026-05-22 23:07:16] [INFO ] [Real]Absence check using state equation in 8637 ms returned sat
[2026-05-22 23:07:24] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:07:24] [INFO ] [Real]Added 49672 Read/Feed constraints in 7174 ms returned sat
[2026-05-22 23:07:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:07:26] [INFO ] [Nat]Absence check using 100 positive place invariants in 209 ms returned sat
[2026-05-22 23:07:26] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 93 ms returned sat
[2026-05-22 23:07:35] [INFO ] [Nat]Absence check using state equation in 8675 ms returned sat
[2026-05-22 23:07:42] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:07:42] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6881 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:08:17] [INFO ] Deduced a trap composed of 2 places in 34433 ms of which 322 ms to minimize.
[2026-05-22 23:08:17] [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 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:08:18] [INFO ] [Real]Absence check using 100 positive place invariants in 216 ms returned sat
[2026-05-22 23:08:18] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 107 ms returned sat
[2026-05-22 23:08:28] [INFO ] [Real]Absence check using state equation in 9455 ms returned sat
[2026-05-22 23:08:36] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:08:36] [INFO ] [Real]Added 49672 Read/Feed constraints in 7493 ms returned sat
[2026-05-22 23:08:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:08:38] [INFO ] [Nat]Absence check using 100 positive place invariants in 220 ms returned sat
[2026-05-22 23:08:38] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 95 ms returned sat
[2026-05-22 23:08:47] [INFO ] [Nat]Absence check using state equation in 9090 ms returned sat
[2026-05-22 23:08:55] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:08:55] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7373 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:09:29] [INFO ] Deduced a trap composed of 2 places in 33809 ms of which 289 ms to minimize.
[2026-05-22 23:09:29] [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 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:09:31] [INFO ] [Real]Absence check using 100 positive place invariants in 195 ms returned sat
[2026-05-22 23:09:31] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 103 ms returned sat
[2026-05-22 23:09:39] [INFO ] [Real]Absence check using state equation in 8520 ms returned sat
[2026-05-22 23:09:47] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:09:47] [INFO ] [Real]Added 49672 Read/Feed constraints in 7174 ms returned sat
[2026-05-22 23:09:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:09:49] [INFO ] [Nat]Absence check using 100 positive place invariants in 209 ms returned sat
[2026-05-22 23:09:49] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 88 ms returned sat
[2026-05-22 23:09:58] [INFO ] [Nat]Absence check using state equation in 8760 ms returned sat
[2026-05-22 23:10:05] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:10:05] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7037 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:10:39] [INFO ] Deduced a trap composed of 2 places in 33080 ms of which 286 ms to minimize.
[2026-05-22 23:10:39] [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 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:10:40] [INFO ] [Real]Absence check using 100 positive place invariants in 191 ms returned sat
[2026-05-22 23:10:40] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 95 ms returned sat
[2026-05-22 23:10:48] [INFO ] [Real]Absence check using state equation in 8604 ms returned sat
[2026-05-22 23:10:56] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:10:56] [INFO ] [Real]Added 49672 Read/Feed constraints in 7077 ms returned sat
[2026-05-22 23:10:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:10:58] [INFO ] [Nat]Absence check using 100 positive place invariants in 200 ms returned sat
[2026-05-22 23:10:58] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 88 ms returned sat
[2026-05-22 23:11:07] [INFO ] [Nat]Absence check using state equation in 8577 ms returned sat
[2026-05-22 23:11:14] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:11:14] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6912 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:11:47] [INFO ] Deduced a trap composed of 2 places in 33084 ms of which 287 ms to minimize.
[2026-05-22 23:11:47] [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 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:11:49] [INFO ] [Real]Absence check using 100 positive place invariants in 192 ms returned sat
[2026-05-22 23:11:49] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 94 ms returned sat
[2026-05-22 23:11:58] [INFO ] [Real]Absence check using state equation in 8937 ms returned sat
[2026-05-22 23:12:05] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:12:05] [INFO ] [Real]Added 49672 Read/Feed constraints in 6946 ms returned sat
[2026-05-22 23:12:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:12:07] [INFO ] [Nat]Absence check using 100 positive place invariants in 189 ms returned sat
[2026-05-22 23:12:07] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 84 ms returned sat
[2026-05-22 23:12:15] [INFO ] [Nat]Absence check using state equation in 8138 ms returned sat
[2026-05-22 23:12:22] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:12:22] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6645 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:12:55] [INFO ] Deduced a trap composed of 2 places in 32318 ms of which 275 ms to minimize.
[2026-05-22 23:12:55] [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.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:12:56] [INFO ] [Real]Absence check using 100 positive place invariants in 180 ms returned sat
[2026-05-22 23:12:56] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 85 ms returned sat
[2026-05-22 23:13:04] [INFO ] [Real]Absence check using state equation in 8268 ms returned sat
[2026-05-22 23:13:12] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:13:12] [INFO ] [Real]Added 49672 Read/Feed constraints in 6973 ms returned sat
[2026-05-22 23:13:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:13:14] [INFO ] [Nat]Absence check using 100 positive place invariants in 197 ms returned sat
[2026-05-22 23:13:14] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 89 ms returned sat
[2026-05-22 23:13:22] [INFO ] [Nat]Absence check using state equation in 8250 ms returned sat
[2026-05-22 23:13:29] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:13:29] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6743 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:14:02] [INFO ] Deduced a trap composed of 2 places in 32756 ms of which 264 ms to minimize.
[2026-05-22 23:14:02] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:14:04] [INFO ] [Real]Absence check using 100 positive place invariants in 191 ms returned sat
[2026-05-22 23:14:04] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 88 ms returned sat
[2026-05-22 23:14:12] [INFO ] [Real]Absence check using state equation in 8373 ms returned sat
[2026-05-22 23:14:20] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:14:20] [INFO ] [Real]Added 49672 Read/Feed constraints in 6976 ms returned sat
[2026-05-22 23:14:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:14:21] [INFO ] [Nat]Absence check using 100 positive place invariants in 206 ms returned sat
[2026-05-22 23:14:22] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 87 ms returned sat
[2026-05-22 23:14:31] [INFO ] [Nat]Absence check using state equation in 9302 ms returned sat
[2026-05-22 23:14:38] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:14:39] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7634 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:15:12] [INFO ] Deduced a trap composed of 2 places in 32420 ms of which 290 ms to minimize.
[2026-05-22 23:15:12] [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 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:15:13] [INFO ] [Real]Absence check using 100 positive place invariants in 198 ms returned sat
[2026-05-22 23:15:13] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 92 ms returned sat
[2026-05-22 23:15:22] [INFO ] [Real]Absence check using state equation in 9145 ms returned sat
[2026-05-22 23:15:30] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:15:30] [INFO ] [Real]Added 49672 Read/Feed constraints in 7232 ms returned sat
[2026-05-22 23:15:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:15:32] [INFO ] [Nat]Absence check using 100 positive place invariants in 196 ms returned sat
[2026-05-22 23:15:32] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 95 ms returned sat
[2026-05-22 23:15:41] [INFO ] [Nat]Absence check using state equation in 9078 ms returned sat
[2026-05-22 23:15:48] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:15:49] [INFO ] [Nat]Added 49672 Read/Feed constraints in 7320 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:16:21] [INFO ] Deduced a trap composed of 2 places in 31984 ms of which 263 ms to minimize.
[2026-05-22 23:16:21] [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 11
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:16:22] [INFO ] [Real]Absence check using 100 positive place invariants in 178 ms returned sat
[2026-05-22 23:16:23] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 85 ms returned sat
[2026-05-22 23:16:31] [INFO ] [Real]Absence check using state equation in 8159 ms returned sat
[2026-05-22 23:16:38] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:16:38] [INFO ] [Real]Added 49672 Read/Feed constraints in 6757 ms returned sat
[2026-05-22 23:16:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:16:40] [INFO ] [Nat]Absence check using 100 positive place invariants in 191 ms returned sat
[2026-05-22 23:16:40] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 81 ms returned sat
[2026-05-22 23:16:48] [INFO ] [Nat]Absence check using state equation in 8234 ms returned sat
[2026-05-22 23:16:55] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:16:55] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6664 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:17:27] [INFO ] Deduced a trap composed of 2 places in 31241 ms of which 262 ms to minimize.
[2026-05-22 23:17:27] [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 12
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:17:28] [INFO ] [Real]Absence check using 100 positive place invariants in 178 ms returned sat
[2026-05-22 23:17:28] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 88 ms returned sat
[2026-05-22 23:17:36] [INFO ] [Real]Absence check using state equation in 8219 ms returned sat
[2026-05-22 23:17:44] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:17:44] [INFO ] [Real]Added 49672 Read/Feed constraints in 6840 ms returned sat
[2026-05-22 23:17:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:17:45] [INFO ] [Nat]Absence check using 100 positive place invariants in 191 ms returned sat
[2026-05-22 23:17:45] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 82 ms returned sat
[2026-05-22 23:17:54] [INFO ] [Nat]Absence check using state equation in 8124 ms returned sat
[2026-05-22 23:18:00] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:18:00] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6622 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:18:32] [INFO ] Deduced a trap composed of 2 places in 30950 ms of which 261 ms to minimize.
[2026-05-22 23:18:32] [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 13
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:18:33] [INFO ] [Real]Absence check using 100 positive place invariants in 173 ms returned sat
[2026-05-22 23:18:33] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 81 ms returned sat
[2026-05-22 23:18:41] [INFO ] [Real]Absence check using state equation in 8147 ms returned sat
[2026-05-22 23:18:48] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:18:48] [INFO ] [Real]Added 49672 Read/Feed constraints in 6624 ms returned sat
[2026-05-22 23:18:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:18:50] [INFO ] [Nat]Absence check using 100 positive place invariants in 193 ms returned sat
[2026-05-22 23:18:50] [INFO ] [Nat]Absence check using 100 positive and 2 generalized place invariants in 83 ms returned sat
[2026-05-22 23:18:58] [INFO ] [Nat]Absence check using state equation in 8253 ms returned sat
[2026-05-22 23:19:05] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:19:05] [INFO ] [Nat]Added 49672 Read/Feed constraints in 6673 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:19:37] [INFO ] Deduced a trap composed of 2 places in 30946 ms of which 257 ms to minimize.
[2026-05-22 23:19:37] [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 14
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Support contains 15 out of 10611 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10611/10611 places, 50008/50008 transitions.
Applied a total of 0 rules in 6601 ms. Remains 10611 /10611 variables (removed 0) and now considering 50008/50008 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6601 ms. Remains : 10611/10611 places, 50008/50008 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10611/10611 places, 50008/50008 transitions.
Applied a total of 0 rules in 4526 ms. Remains 10611 /10611 variables (removed 0) and now considering 50008/50008 (removed 0) transitions.
[2026-05-22 23:19:48] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:19:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:20:19] [INFO ] Performed 6801/10611 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-22 23:20:22] [INFO ] Implicit Places using invariants in 33967 ms returned []
Implicit Place search using SMT only with invariants took 33968 ms to find 0 implicit places.
Running 49908 sub problems to find dead transitions.
[2026-05-22 23:20:22] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:20:22] [INFO ] Invariant cache hit.
[2026-05-22 23:20:22] [INFO ] State equation strengthened by 49672 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10610 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 49908 unsolved
SMT process timed out in 282759ms, After SMT, problems are : Problem set: 0 solved, 49908 unsolved
Search for dead transitions found 0 dead transitions in 282871ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 321531 ms. Remains : 10611/10611 places, 50008/50008 transitions.
RANDOM walk for 40000 steps (64 resets) in 5322 ms. (7 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 30/30 properties
[2026-05-22 23:25:08] [INFO ] Flatten gal took : 1820 ms
[2026-05-22 23:25:10] [INFO ] Flatten gal took : 1206 ms
[2026-05-22 23:25:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6352601805651085789.gal : 227 ms
[2026-05-22 23:25:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16422972666389184976.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/ReachabilityCardinality6352601805651085789.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16422972666389184976.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
Interrupted probabilistic random walk after 69632 steps, run timeout after 3001 ms. (steps per millisecond=23 ) properties seen :0 out of 30
Probabilistic random walk after 69632 steps, saw 68172 distinct states, run finished after 3007 ms. (steps per millisecond=23 ) properties seen :0
[2026-05-22 23:25:10] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:25:10] [INFO ] Invariant cache hit.
[2026-05-22 23:25:10] [INFO ] State equation strengthened by 49672 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 10394/10409 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 30 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:12] [INFO ] Deduced a trap composed of 2 places in 397 ms of which 6 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
Problem MAX6 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MAX9 is UNSAT
Problem MAX10 is UNSAT
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(s1828 0.0)
(s1829 0.0)
(s1830 0.0)
(s1831 0.0)
(s1832 0.0)
(s1833 0.0)
(s1834 0.0)
(s1835 0.0)
(s1836 0.0)
(s1837 0.0)
(s1838 0.0)
(s1839 0.0)
(s1840 0.0)
(s1841 0.0)
(s1842 0.0)
(s1843 0.0)
(s1844 0.0)
(s1845 0.0)
(s1846 0.0)
(s1847 0.0)
(s1848 0.0)
(s1849 0.0)
(s1850 0.0)
(s1851 0.0)
(s1852 0.0)
(s1853 0.0)
(s1854 0.0)
(s1855 0.0)
(s1856 0.0)
(s1857 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 10409/60613 variables, and 2 constraints, problems are : Problem set: 11 solved, 19 unsolved in 5022 ms.
Refiners :[Positive P Invariants (semi-flows): 1/100 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/10611 constraints, ReadFeed: 0/49672 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 11 solved, 19 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 11 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 10394/10409 variables, 1/1 constraints. Problems are: Problem set: 11 solved, 19 unsolved
Problem MAX11 is UNSAT
Problem MAX12 is UNSAT
Problem MAX13 is UNSAT
Problem MAX14 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10409 variables, 1/2 constraints. Problems are: Problem set: 15 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:17] [INFO ] Deduced a trap composed of 2 places in 339 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:18] [INFO ] Deduced a trap composed of 2 places in 330 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:18] [INFO ] Deduced a trap composed of 2 places in 331 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:19] [INFO ] Deduced a trap composed of 2 places in 319 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:19] [INFO ] Deduced a trap composed of 2 places in 318 ms of which 5 ms to minimize.
Loading property file /tmp/ReachabilityCardinality16422972666389184976.prop.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:20] [INFO ] Deduced a trap composed of 2 places in 317 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:20] [INFO ] Deduced a trap composed of 2 places in 312 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:20] [INFO ] Deduced a trap composed of 2 places in 318 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:21] [INFO ] Deduced a trap composed of 2 places in 309 ms of which 5 ms to minimize.
SMT process timed out in 10784ms, After SMT, problems are : Problem set: 15 solved, 15 unsolved
Fused 15 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 15 out of 10611 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10611/10611 places, 50008/50008 transitions.
Applied a total of 0 rules in 6324 ms. Remains 10611 /10611 variables (removed 0) and now considering 50008/50008 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6333 ms. Remains : 10611/10611 places, 50008/50008 transitions.
RANDOM walk for 40000 steps (66 resets) in 4911 ms. (8 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 77230 steps, run timeout after 3004 ms. (steps per millisecond=25 ) properties seen :0 out of 15
Probabilistic random walk after 77230 steps, saw 75576 distinct states, run finished after 3004 ms. (steps per millisecond=25 ) properties seen :0
[2026-05-22 23:25:32] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:25:32] [INFO ] Invariant cache hit.
[2026-05-22 23:25:32] [INFO ] State equation strengthened by 49672 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 10394/10409 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:34] [INFO ] Deduced a trap composed of 2 places in 558 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:34] [INFO ] Deduced a trap composed of 2 places in 361 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:35] [INFO ] Deduced a trap composed of 2 places in 360 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:35] [INFO ] Deduced a trap composed of 2 places in 361 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:36] [INFO ] Deduced a trap composed of 2 places in 354 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:36] [INFO ] Deduced a trap composed of 2 places in 357 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:37] [INFO ] Deduced a trap composed of 2 places in 358 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:37] [INFO ] Deduced a trap composed of 2 places in 355 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:38] [INFO ] Deduced a trap composed of 2 places in 356 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:38] [INFO ] Deduced a trap composed of 2 places in 355 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:39] [INFO ] Deduced a trap composed of 2 places in 350 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:39] [INFO ] Deduced a trap composed of 2 places in 359 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:40] [INFO ] Deduced a trap composed of 2 places in 349 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:40] [INFO ] Deduced a trap composed of 2 places in 349 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:41] [INFO ] Deduced a trap composed of 2 places in 348 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:41] [INFO ] Deduced a trap composed of 2 places in 350 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:41] [INFO ] Deduced a trap composed of 2 places in 356 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:42] [INFO ] Deduced a trap composed of 2 places in 347 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:42] [INFO ] Deduced a trap composed of 2 places in 348 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:43] [INFO ] Deduced a trap composed of 2 places in 351 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/10409 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:43] [INFO ] Deduced a trap composed of 2 places in 352 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:44] [INFO ] Deduced a trap composed of 2 places in 352 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:44] [INFO ] Deduced a trap composed of 2 places in 352 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:45] [INFO ] Deduced a trap composed of 2 places in 346 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:45] [INFO ] Deduced a trap composed of 2 places in 365 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:46] [INFO ] Deduced a trap composed of 2 places in 363 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:46] [INFO ] Deduced a trap composed of 2 places in 365 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:47] [INFO ] Deduced a trap composed of 2 places in 359 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:47] [INFO ] Deduced a trap composed of 2 places in 361 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:48] [INFO ] Deduced a trap composed of 2 places in 366 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:48] [INFO ] Deduced a trap composed of 2 places in 366 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:49] [INFO ] Deduced a trap composed of 2 places in 363 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:49] [INFO ] Deduced a trap composed of 2 places in 358 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:50] [INFO ] Deduced a trap composed of 2 places in 345 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:50] [INFO ] Deduced a trap composed of 2 places in 344 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:51] [INFO ] Deduced a trap composed of 2 places in 344 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:51] [INFO ] Deduced a trap composed of 2 places in 344 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:52] [INFO ] Deduced a trap composed of 2 places in 346 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:52] [INFO ] Deduced a trap composed of 2 places in 346 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:53] [INFO ] Deduced a trap composed of 2 places in 347 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/10409 variables, 20/41 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:55] [INFO ] Deduced a trap composed of 2 places in 342 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:55] [INFO ] Deduced a trap composed of 2 places in 343 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:56] [INFO ] Deduced a trap composed of 2 places in 343 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:56] [INFO ] Deduced a trap composed of 2 places in 343 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:57] [INFO ] Deduced a trap composed of 2 places in 339 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:57] [INFO ] Deduced a trap composed of 2 places in 341 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:58] [INFO ] Deduced a trap composed of 2 places in 337 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:58] [INFO ] Deduced a trap composed of 2 places in 338 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:58] [INFO ] Deduced a trap composed of 2 places in 343 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:25:59] [INFO ] Deduced a trap composed of 2 places in 376 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:00] [INFO ] Deduced a trap composed of 2 places in 354 ms of which 4 ms to minimize.
Detected timeout of ITS tools.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:00] [INFO ] Deduced a trap composed of 2 places in 747 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:01] [INFO ] Flatten gal took : 1007 ms
[2026-05-22 23:26:01] [INFO ] Applying decomposition
[2026-05-22 23:26:01] [INFO ] Deduced a trap composed of 2 places in 682 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:02] [INFO ] Deduced a trap composed of 2 places in 606 ms of which 4 ms to minimize.
[2026-05-22 23:26:02] [INFO ] Flatten gal took : 1040 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:02] [INFO ] Deduced a trap composed of 2 places in 366 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:03] [INFO ] Deduced a trap composed of 2 places in 374 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:03] [INFO ] Deduced a trap composed of 2 places in 366 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:04] [INFO ] Deduced a trap composed of 2 places in 585 ms of which 5 ms to minimize.
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/graph12967097738414273060.txt' '-o' '/tmp/graph12967097738414273060.bin' '-w' '/tmp/graph12967097738414273060.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12967097738414273060.bin' '-l' '-1' '-v' '-w' '/tmp/graph12967097738414273060.weights' '-q' '0' '-e' '0.001'
[2026-05-22 23:26:04] [INFO ] Decomposing Gal with order
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:05] [INFO ] Deduced a trap composed of 2 places in 358 ms of which 4 ms to minimize.
[2026-05-22 23:26:05] [INFO ] Rewriting arrays to variables to allow decomposition.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:05] [INFO ] Deduced a trap composed of 2 places in 359 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/10409 variables, 20/61 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:06] [INFO ] Deduced a trap composed of 2 places in 339 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:06] [INFO ] Deduced a trap composed of 2 places in 353 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:07] [INFO ] Deduced a trap composed of 2 places in 340 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:07] [INFO ] Deduced a trap composed of 2 places in 369 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:08] [INFO ] Deduced a trap composed of 2 places in 351 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:08] [INFO ] Deduced a trap composed of 2 places in 376 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:09] [INFO ] Deduced a trap composed of 2 places in 680 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:10] [INFO ] Deduced a trap composed of 2 places in 359 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/10409 variables, 8/69 constraints. Problems are: Problem set: 0 solved, 15 unsolved
[2026-05-22 23:26:13] [INFO ] Removed a total of 44138 redundant transitions.
[2026-05-22 23:26:14] [INFO ] Flatten gal took : 7228 ms
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/10409 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 198/10607 variables, 99/168 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 10607/60613 variables, and 168 constraints, problems are : Problem set: 0 solved, 15 unsolved in 45012 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/10611 constraints, ReadFeed: 0/49672 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 68/68 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 10394/10409 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10409 variables, 68/69 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:19] [INFO ] Deduced a trap composed of 2 places in 350 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:19] [INFO ] Deduced a trap composed of 2 places in 348 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:20] [INFO ] Deduced a trap composed of 2 places in 340 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:20] [INFO ] Deduced a trap composed of 2 places in 333 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:20] [INFO ] Deduced a trap composed of 2 places in 343 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:21] [INFO ] Deduced a trap composed of 2 places in 334 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:21] [INFO ] Deduced a trap composed of 2 places in 334 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:22] [INFO ] Deduced a trap composed of 2 places in 403 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:22] [INFO ] Deduced a trap composed of 2 places in 348 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:23] [INFO ] Deduced a trap composed of 2 places in 328 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:23] [INFO ] Deduced a trap composed of 2 places in 328 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:24] [INFO ] Deduced a trap composed of 2 places in 324 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:24] [INFO ] Deduced a trap composed of 2 places in 321 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:24] [INFO ] Deduced a trap composed of 2 places in 324 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:25] [INFO ] Deduced a trap composed of 2 places in 319 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:25] [INFO ] Deduced a trap composed of 2 places in 325 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:26] [INFO ] Deduced a trap composed of 2 places in 317 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:26] [INFO ] Deduced a trap composed of 2 places in 317 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:27] [INFO ] Deduced a trap composed of 2 places in 314 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:27] [INFO ] Deduced a trap composed of 2 places in 310 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/10409 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 32025 labels/synchronizations in 12645 ms.
[2026-05-22 23:26:28] [INFO ] Deduced a trap composed of 2 places in 348 ms of which 3 ms to minimize.
[2026-05-22 23:26:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18156407442092658841.gal : 219 ms
[2026-05-22 23:26:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10081915447108375376.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/ReachabilityCardinality18156407442092658841.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10081915447108375376.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 ...309
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:28] [INFO ] Deduced a trap composed of 2 places in 337 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:28] [INFO ] Deduced a trap composed of 2 places in 328 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:29] [INFO ] Deduced a trap composed of 2 places in 324 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:29] [INFO ] Deduced a trap composed of 2 places in 313 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:30] [INFO ] Deduced a trap composed of 2 places in 311 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:30] [INFO ] Deduced a trap composed of 2 places in 308 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:31] [INFO ] Deduced a trap composed of 2 places in 308 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:31] [INFO ] Deduced a trap composed of 2 places in 302 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:31] [INFO ] Deduced a trap composed of 2 places in 303 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:26:32] [INFO ] Deduced a trap composed of 2 places in 294 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/10409 variables, 11/100 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Loading property file /tmp/ReachabilityCardinality10081915447108375376.prop.
At refinement iteration 5 (INCLUDED_ONLY) 0/10409 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 198/10607 variables, 99/199 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/10607 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 2/10609 variables, 2/201 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 23:27:21] [INFO ] Deduced a trap composed of 104 places in 29379 ms of which 1394 ms to minimize.
SMT process timed out in 109507ms, After SMT, problems are : Problem set: 0 solved, 15 unsolved
Fused 15 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 15 out of 10611 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10611/10611 places, 50008/50008 transitions.
Applied a total of 0 rules in 4824 ms. Remains 10611 /10611 variables (removed 0) and now considering 50008/50008 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4824 ms. Remains : 10611/10611 places, 50008/50008 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10611/10611 places, 50008/50008 transitions.
Applied a total of 0 rules in 4400 ms. Remains 10611 /10611 variables (removed 0) and now considering 50008/50008 (removed 0) transitions.
[2026-05-22 23:27:31] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:27:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:28:02] [INFO ] Performed 6738/10611 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-22 23:28:04] [INFO ] Implicit Places using invariants in 33784 ms returned []
Implicit Place search using SMT only with invariants took 33785 ms to find 0 implicit places.
Running 49908 sub problems to find dead transitions.
[2026-05-22 23:28:05] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:28:05] [INFO ] Invariant cache hit.
[2026-05-22 23:28:05] [INFO ] State equation strengthened by 49672 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10610 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 49908 unsolved
SMT process timed out in 266649ms, After SMT, problems are : Problem set: 0 solved, 49908 unsolved
Search for dead transitions found 0 dead transitions in 266774ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 305088 ms. Remains : 10611/10611 places, 50008/50008 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Starting property specific reduction for CANInsertWithFailure-PT-100-UpperBounds-00
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:[100]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[100]
[2026-05-22 23:32:31] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:32:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[100]
RANDOM walk for 10000 steps (16 resets) in 586 ms. (17 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 30 ms. (322 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[100]
[2026-05-22 23:32:32] [INFO ] Flow matrix only has 50002 transitions (discarded 6 similar events)
[2026-05-22 23:32:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 23:32:33] [INFO ] [Real]Absence check using 100 positive place invariants in 205 ms returned sat
[2026-05-22 23:32:33] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 102 ms returned sat
[2026-05-22 23:32:37] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:854)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
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)
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[100]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[100]
Support contains 1 out of 10611 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10611/10611 places, 50008/50008 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 9 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 10602 transition count 49999
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 23 place count 10602 transition count 49999
Applied a total of 23 rules in 15220 ms. Remains 10602 /10611 variables (removed 9) and now considering 49999/50008 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15230 ms. Remains : 10602/10611 places, 49999/50008 transitions.
[2026-05-22 23:32:52] [INFO ] Flow matrix only has 49998 transitions (discarded 1 similar events)
// Phase 1: matrix 49998 rows 10602 cols
[2026-05-22 23:33:02] [INFO ] Computed 102 invariants in 9423 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[100]
RANDOM walk for 779173 steps (1296 resets) in 30002 ms. (25 steps per ms)
BEST_FIRST walk for 1000001 steps (12 resets) in 2285 ms. (437 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[100]
[2026-05-22 23:33:34] [INFO ] Flow matrix only has 49998 transitions (discarded 1 similar events)
[2026-05-22 23:33:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:33:35] [INFO ] [Real]Absence check using 100 positive place invariants in 206 ms returned sat
[2026-05-22 23:33:36] [INFO ] [Real]Absence check using 100 positive and 2 generalized place invariants in 93 ms returned sat
[2026-05-22 23:33:45] [INFO ] [Real]Absence check using state equation in 9011 ms returned sat
[2026-05-22 23:33:46] [INFO ] State equation strengthened by 49698 read => feed constraints.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CANInsertWithFailure-PT-100"
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 CANInsertWithFailure-PT-100, 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 r047-tall-177946846500098"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-100.tgz
mv CANInsertWithFailure-PT-100 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 ;