fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r184-tall-174889264200453
Last Updated
June 24, 2025

About the Execution of ITS-Tools for RingSingleMessageInMbox-PT-d1m160

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 1548739.00 0.00 0.00 0 0 0 0 0 1 1 0 0 159 0 1 0 0 0 1 normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889264200453.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is RingSingleMessageInMbox-PT-d1m160, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889264200453
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.3M
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 5.8M May 29 14:32 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-00
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-01
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-02
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-03
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-04
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-05
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-06
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-07
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-08
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-09
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-10
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-11
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-12
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-13
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-14
FORMULA_NAME RingSingleMessageInMbox-PT-d1m160-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749087894054

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d1m160
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-05 01:44:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-05 01:44:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 01:44:55] [INFO ] Load time of PNML (sax parser for PT used): 438 ms
[2025-06-05 01:44:55] [INFO ] Transformed 6690 places.
[2025-06-05 01:44:55] [INFO ] Transformed 11934 transitions.
[2025-06-05 01:44:55] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 598 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 4305 places in 27 ms
Reduce places removed 4305 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 11934 rows 2385 cols
[2025-06-05 01:44:56] [INFO ] Computed 5 invariants in 920 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 164, 1, 1]
RANDOM walk for 10000 steps (1538 resets) in 1033 ms. (9 steps per ms)
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (170 resets) in 112 ms. (265 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 1, 0] Max Struct:[1, 164, 1]
[2025-06-05 01:44:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 01:44:58] [INFO ] [Real]Absence check using 2 positive place invariants in 66 ms returned sat
[2025-06-05 01:44:58] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 58 ms returned sat
[2025-06-05 01:45:02] [INFO ] [Real]Absence check using state equation in 3781 ms returned sat
[2025-06-05 01:45:04] [INFO ] State equation strengthened by 9690 read => feed constraints.
[2025-06-05 01:45:04] [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 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.DeadlockTester.verifyPossible(DeadlockTester.java:863)
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:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 01:45:04] [INFO ] [Real]Absence check using 2 positive place invariants in 34 ms returned sat
[2025-06-05 01:45:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 36 ms returned sat
[2025-06-05 01:45:06] [INFO ] [Real]Absence check using state equation in 2225 ms returned sat
[2025-06-05 01:45:09] [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.DeadlockTester.verifyPossible(DeadlockTester.java:863)
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:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 01:45:09] [INFO ] [Real]Absence check using 2 positive place invariants in 39 ms returned sat
[2025-06-05 01:45:09] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 39 ms returned sat
[2025-06-05 01:45:12] [INFO ] [Real]Absence check using state equation in 2460 ms returned sat
[2025-06-05 01:45:14] [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.DeadlockTester.verifyPossible(DeadlockTester.java:863)
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: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:[0, 1, 0] Max Struct:[1, 164, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 1, 0] Max Struct:[1, 164, 1]
Support contains 3 out of 2385 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2385/2385 places, 11934/11934 transitions.
Graph (complete) has 16557 edges and 2385 vertex of which 2367 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.27 ms
Discarding 18 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 111 transitions.
Iterating post reduction 0 with 111 rules applied. Total rules applied 112 place count 2367 transition count 11823
Discarding 1104 places :
Symmetric choice reduction at 1 with 1104 rule applications. Total rules 1216 place count 1263 transition count 2418
Iterating global reduction 1 with 1104 rules applied. Total rules applied 2320 place count 1263 transition count 2418
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Iterating post reduction 1 with 75 rules applied. Total rules applied 2395 place count 1263 transition count 2343
Discarding 909 places :
Symmetric choice reduction at 2 with 909 rule applications. Total rules 3304 place count 354 transition count 1434
Iterating global reduction 2 with 909 rules applied. Total rules applied 4213 place count 354 transition count 1434
Ensure Unique test removed 862 transitions
Reduce isomorphic transitions removed 862 transitions.
Iterating post reduction 2 with 862 rules applied. Total rules applied 5075 place count 354 transition count 572
Discarding 160 places :
Symmetric choice reduction at 3 with 160 rule applications. Total rules 5235 place count 194 transition count 412
Iterating global reduction 3 with 160 rules applied. Total rules applied 5395 place count 194 transition count 412
Ensure Unique test removed 122 transitions
Reduce isomorphic transitions removed 122 transitions.
Iterating post reduction 3 with 122 rules applied. Total rules applied 5517 place count 194 transition count 290
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 5526 place count 185 transition count 267
Iterating global reduction 4 with 9 rules applied. Total rules applied 5535 place count 185 transition count 267
Applied a total of 5535 rules in 683 ms. Remains 185 /2385 variables (removed 2200) and now considering 267/11934 (removed 11667) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 690 ms. Remains : 185/2385 places, 267/11934 transitions.
// Phase 1: matrix 267 rows 185 cols
[2025-06-05 01:45:14] [INFO ] Computed 4 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 0] Max Struct:[1, 164, 1]
RANDOM walk for 1000000 steps (181612 resets) in 2091 ms. (478 steps per ms)
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (44872 resets) in 619 ms. (1612 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[164]
[2025-06-05 01:45:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:45:17] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-05 01:45:17] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-06-05 01:45:17] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-05 01:45:17] [INFO ] [Real]Added 92 Read/Feed constraints in 32 ms returned sat
[2025-06-05 01:45:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:45:17] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-05 01:45:17] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2025-06-05 01:45:17] [INFO ] [Nat]Added 92 Read/Feed constraints in 14 ms returned sat
[2025-06-05 01:45:18] [INFO ] Computed and/alt/rep : 74/191/74 causal constraints (skipped 192 transitions) in 43 ms.
[2025-06-05 01:45:18] [INFO ] Added : 1 causal constraints over 1 iterations in 101 ms. Result :sat
Minimization took 239 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[164]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[164]
Support contains 1 out of 185 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 185/185 places, 267/267 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 183 transition count 265
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 183 transition count 265
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 181 transition count 263
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 181 transition count 263
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 181 transition count 261
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 12 place count 179 transition count 231
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 179 transition count 231
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 16 place count 177 transition count 229
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 177 transition count 229
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 19 place count 177 transition count 228
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 24 place count 172 transition count 223
Iterating global reduction 2 with 5 rules applied. Total rules applied 29 place count 172 transition count 223
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 34 place count 172 transition count 218
Applied a total of 34 rules in 43 ms. Remains 172 /185 variables (removed 13) and now considering 218/267 (removed 49) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 172/185 places, 218/267 transitions.
// Phase 1: matrix 218 rows 172 cols
[2025-06-05 01:45:18] [INFO ] Computed 4 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[164]
RANDOM walk for 1000000 steps (210395 resets) in 1619 ms. (617 steps per ms)
BEST_FIRST walk for 1000001 steps (68871 resets) in 639 ms. (1562 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[164]
[2025-06-05 01:45:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:45:20] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-05 01:45:20] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 4 ms returned sat
[2025-06-05 01:45:20] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-06-05 01:45:20] [INFO ] State equation strengthened by 54 read => feed constraints.
[2025-06-05 01:45:20] [INFO ] [Real]Added 54 Read/Feed constraints in 7 ms returned sat
[2025-06-05 01:45:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:45:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-05 01:45:20] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-05 01:45:20] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-06-05 01:45:20] [INFO ] [Nat]Added 54 Read/Feed constraints in 7 ms returned sat
[2025-06-05 01:45:20] [INFO ] Computed and/alt/rep : 71/183/71 causal constraints (skipped 146 transitions) in 28 ms.
[2025-06-05 01:45:20] [INFO ] Added : 1 causal constraints over 1 iterations in 67 ms. Result :sat
Minimization took 144 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[164]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[164]
Support contains 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 8 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 172/172 places, 218/218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 218/218 transitions.
Applied a total of 0 rules in 7 ms. Remains 172 /172 variables (removed 0) and now considering 218/218 (removed 0) transitions.
[2025-06-05 01:45:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:45:21] [INFO ] Implicit Places using invariants in 120 ms returned []
[2025-06-05 01:45:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:45:21] [INFO ] State equation strengthened by 54 read => feed constraints.
[2025-06-05 01:45:22] [INFO ] Implicit Places using invariants and state equation in 1084 ms returned []
Implicit Place search using SMT with State Equation took 1211 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 01:45:22] [INFO ] Redundant transitions in 9 ms returned []
Running 217 sub problems to find dead transitions.
[2025-06-05 01:45:22] [INFO ] Invariant cache hit.
[2025-06-05 01:45:22] [INFO ] State equation strengthened by 54 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/171 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 1/172 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/172 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 217 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:45:25] [INFO ] Deduced a trap composed of 67 places in 53 ms of which 8 ms to minimize.
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:45:26] [INFO ] Deduced a trap composed of 65 places in 46 ms of which 3 ms to minimize.
Problem TDEAD161 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:45:26] [INFO ] Deduced a trap composed of 65 places in 51 ms of which 3 ms to minimize.
Problem TDEAD165 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:45:26] [INFO ] Deduced a trap composed of 65 places in 51 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 4/8 constraints. Problems are: Problem set: 12 solved, 205 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/172 variables, 0/8 constraints. Problems are: Problem set: 12 solved, 205 unsolved
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
At refinement iteration 6 (OVERLAPS) 218/390 variables, 172/180 constraints. Problems are: Problem set: 36 solved, 181 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/390 variables, 54/234 constraints. Problems are: Problem set: 36 solved, 181 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:45:30] [INFO ] Deduced a trap composed of 65 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:45:30] [INFO ] Deduced a trap composed of 87 places in 54 ms of which 3 ms to minimize.
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/390 variables, 2/236 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/390 variables, 0/236 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 10 (OVERLAPS) 0/390 variables, 0/236 constraints. Problems are: Problem set: 46 solved, 171 unsolved
No progress, stopping.
After SMT solving in domain Real declared 390/390 variables, and 236 constraints, problems are : Problem set: 46 solved, 171 unsolved in 23940 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 172/172 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 46 solved, 171 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/129 variables, 0/0 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 1 (OVERLAPS) 19/148 variables, 1/1 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 1/2 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/148 variables, 0/2 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 4 (OVERLAPS) 24/172 variables, 2/4 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/172 variables, 6/10 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/172 variables, 0/10 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 7 (OVERLAPS) 218/390 variables, 172/182 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/390 variables, 54/236 constraints. Problems are: Problem set: 46 solved, 171 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/390 variables, 171/407 constraints. Problems are: Problem set: 46 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:45:56] [INFO ] Deduced a trap composed of 83 places in 57 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/390 variables, 1/408 constraints. Problems are: Problem set: 46 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:46:10] [INFO ] Deduced a trap composed of 69 places in 73 ms of which 8 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 390/390 variables, and 409 constraints, problems are : Problem set: 46 solved, 171 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 172/172 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 171/217 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54230ms problems are : Problem set: 46 solved, 171 unsolved
Search for dead transitions found 46 dead transitions in 54237ms
Found 46 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 46 transitions
Dead transitions reduction (with SMT) removed 46 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 172/172 places, 172/218 transitions.
Graph (complete) has 439 edges and 172 vertex of which 130 are kept as prefixes of interest. Removing 42 places using SCC suffix rule.0 ms
Discarding 42 places :
Also discarding 0 output transitions
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 128 transition count 154
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 25 place count 126 transition count 152
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 27 place count 126 transition count 150
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 29 place count 124 transition count 150
Applied a total of 29 rules in 18 ms. Remains 124 /172 variables (removed 48) and now considering 150/172 (removed 22) transitions.
// Phase 1: matrix 150 rows 124 cols
[2025-06-05 01:46:16] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:46:16] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-05 01:46:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:46:16] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 01:46:17] [INFO ] Implicit Places using invariants and state equation in 418 ms returned []
Implicit Place search using SMT with State Equation took 531 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 124/172 places, 150/218 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 56029 ms. Remains : 124/172 places, 150/218 transitions.
[2025-06-05 01:46:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[164]
RANDOM walk for 1000000 steps (209549 resets) in 1584 ms. (630 steps per ms)
BEST_FIRST walk for 1000000 steps (69031 resets) in 544 ms. (1834 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[164]
[2025-06-05 01:46:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:46:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-05 01:46:19] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-05 01:46:19] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 01:46:19] [INFO ] [Real]Added 50 Read/Feed constraints in 5 ms returned sat
[2025-06-05 01:46:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:46:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-05 01:46:19] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-05 01:46:19] [INFO ] [Nat]Added 50 Read/Feed constraints in 7 ms returned sat
[2025-06-05 01:46:19] [INFO ] Computed and/alt/rep : 41/81/41 causal constraints (skipped 108 transitions) in 12 ms.
[2025-06-05 01:46:19] [INFO ] Added : 1 causal constraints over 1 iterations in 37 ms. Result :sat
Minimization took 54 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[164]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[164]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 150/150 transitions.
Applied a total of 0 rules in 4 ms. Remains 124 /124 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 124/124 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 150/150 transitions.
Applied a total of 0 rules in 4 ms. Remains 124 /124 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2025-06-05 01:46:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:46:19] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-05 01:46:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:46:19] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 01:46:20] [INFO ] Implicit Places using invariants and state equation in 408 ms returned []
Implicit Place search using SMT with State Equation took 498 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 01:46:20] [INFO ] Redundant transitions in 3 ms returned []
Running 149 sub problems to find dead transitions.
[2025-06-05 01:46:20] [INFO ] Invariant cache hit.
[2025-06-05 01:46:20] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 150/274 variables, 124/125 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 50/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (OVERLAPS) 0/274 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 175 constraints, problems are : Problem set: 0 solved, 149 unsolved in 8634 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 124/124 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 150/274 variables, 124/125 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 50/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 149/324 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:46:34] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 274/274 variables, and 325 constraints, problems are : Problem set: 0 solved, 149 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 124/124 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38711ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 38712ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39227 ms. Remains : 124/124 places, 150/150 transitions.
RANDOM walk for 40000 steps (8402 resets) in 672 ms. (59 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (2654 resets) in 186 ms. (213 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (2684 resets) in 257 ms. (155 steps per ms) remains 2/2 properties
[2025-06-05 01:46:59] [INFO ] Flatten gal took : 136 ms
[2025-06-05 01:46:59] [INFO ] Flatten gal took : 29 ms
[2025-06-05 01:46:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3316212008173047853.gal : 11 ms
[2025-06-05 01:46:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15056849322360355672.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/ReachabilityCardinality3316212008173047853.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15056849322360355672.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality15056849322360355672.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 98
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :98 after 286
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :286 after 515
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :515 after 1566
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1566 after 4422
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4422 after 7346
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7346 after 13058
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :13058 after 24316
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :24316 after 47092
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :47092 after 1.48756e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.48756e+06 after 3.128e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :3.128e+08 after 8.1697e+11
Interrupted probabilistic random walk after 1105273 steps, run timeout after 3001 ms. (steps per millisecond=368 ) properties seen :0 out of 2
Probabilistic random walk after 1105273 steps, saw 479940 distinct states, run finished after 3009 ms. (steps per millisecond=367 ) properties seen :0
[2025-06-05 01:47:02] [INFO ] Invariant cache hit.
[2025-06-05 01:47:02] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 106/109 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 152/261 variables, 106/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 46/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:47:02] [INFO ] Deduced a trap composed of 15 places in 97 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 274/274 variables, and 176 constraints, problems are : Problem set: 1 solved, 0 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 124/124 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 226ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[164]
Starting property specific reduction for RingSingleMessageInMbox-PT-d1m160-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[164]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[164]
[2025-06-05 01:47:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[164]
RANDOM walk for 10000 steps (2081 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (704 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[164]
[2025-06-05 01:47:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 01:47:02] [INFO ] [Real]Absence check using 1 positive place invariants in 18 ms returned sat
[2025-06-05 01:47:02] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-06-05 01:47:02] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 01:47:02] [INFO ] [Real]Added 50 Read/Feed constraints in 8 ms returned sat
[2025-06-05 01:47:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 01:47:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-05 01:47:02] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2025-06-05 01:47:02] [INFO ] [Nat]Added 50 Read/Feed constraints in 5 ms returned sat
[2025-06-05 01:47:02] [INFO ] Computed and/alt/rep : 41/81/41 causal constraints (skipped 108 transitions) in 26 ms.
[2025-06-05 01:47:02] [INFO ] Added : 1 causal constraints over 1 iterations in 47 ms. Result :sat
Minimization took 55 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[164]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[164]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 150/150 transitions.
Applied a total of 0 rules in 6 ms. Remains 124 /124 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 124/124 places, 150/150 transitions.
[2025-06-05 01:47:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[164]
RANDOM walk for 1000000 steps (209446 resets) in 1308 ms. (763 steps per ms)
BEST_FIRST walk for 1000001 steps (68851 resets) in 505 ms. (1976 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[164]
[2025-06-05 01:47:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:47:04] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-05 01:47:04] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-06-05 01:47:04] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 01:47:04] [INFO ] [Real]Added 50 Read/Feed constraints in 10 ms returned sat
[2025-06-05 01:47:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:47:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-05 01:47:04] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-05 01:47:04] [INFO ] [Nat]Added 50 Read/Feed constraints in 5 ms returned sat
[2025-06-05 01:47:04] [INFO ] Computed and/alt/rep : 41/81/41 causal constraints (skipped 108 transitions) in 11 ms.
[2025-06-05 01:47:04] [INFO ] Added : 1 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 56 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[164]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[164]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 150/150 transitions.
Applied a total of 0 rules in 5 ms. Remains 124 /124 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 124/124 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 150/150 transitions.
Applied a total of 0 rules in 4 ms. Remains 124 /124 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2025-06-05 01:47:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:47:04] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-06-05 01:47:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:47:04] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 01:47:05] [INFO ] Implicit Places using invariants and state equation in 430 ms returned []
Implicit Place search using SMT with State Equation took 496 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 01:47:05] [INFO ] Redundant transitions in 3 ms returned []
Running 149 sub problems to find dead transitions.
[2025-06-05 01:47:05] [INFO ] Invariant cache hit.
[2025-06-05 01:47:05] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 150/274 variables, 124/125 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 50/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (OVERLAPS) 0/274 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 175 constraints, problems are : Problem set: 0 solved, 149 unsolved in 8586 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 124/124 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 150/274 variables, 124/125 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 50/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 149/324 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:47:20] [INFO ] Deduced a trap along path composed of 9 places in 40 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 274/274 variables, and 325 constraints, problems are : Problem set: 0 solved, 149 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 124/124 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38689ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 38690ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39200 ms. Remains : 124/124 places, 150/150 transitions.
[2025-06-05 01:47:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[164]
RANDOM walk for 1000000 steps (209966 resets) in 1304 ms. (766 steps per ms)
BEST_FIRST walk for 1000000 steps (68899 resets) in 511 ms. (1953 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[164]
[2025-06-05 01:47:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:47:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-05 01:47:45] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-05 01:47:45] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 01:47:45] [INFO ] [Real]Added 50 Read/Feed constraints in 5 ms returned sat
[2025-06-05 01:47:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 01:47:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-05 01:47:46] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-05 01:47:46] [INFO ] [Nat]Added 50 Read/Feed constraints in 4 ms returned sat
[2025-06-05 01:47:46] [INFO ] Computed and/alt/rep : 41/81/41 causal constraints (skipped 108 transitions) in 11 ms.
[2025-06-05 01:47:46] [INFO ] Added : 1 causal constraints over 1 iterations in 39 ms. Result :sat
Minimization took 54 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[164]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[164]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 150/150 transitions.
Applied a total of 0 rules in 6 ms. Remains 124 /124 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 124/124 places, 150/150 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 150/150 transitions.
Applied a total of 0 rules in 9 ms. Remains 124 /124 variables (removed 0) and now considering 150/150 (removed 0) transitions.
[2025-06-05 01:47:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:47:46] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-06-05 01:47:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 01:47:46] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 01:47:46] [INFO ] Implicit Places using invariants and state equation in 434 ms returned []
Implicit Place search using SMT with State Equation took 503 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 01:47:46] [INFO ] Redundant transitions in 1 ms returned []
Running 149 sub problems to find dead transitions.
[2025-06-05 01:47:46] [INFO ] Invariant cache hit.
[2025-06-05 01:47:46] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 150/274 variables, 124/125 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 50/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (OVERLAPS) 0/274 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 175 constraints, problems are : Problem set: 0 solved, 149 unsolved in 8645 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 124/124 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (OVERLAPS) 1/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (OVERLAPS) 150/274 variables, 124/125 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 50/175 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 149/324 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:48:01] [INFO ] Deduced a trap along path composed of 9 places in 38 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 149 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 274/274 variables, and 325 constraints, problems are : Problem set: 0 solved, 149 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 124/124 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38732ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 38734ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39256 ms. Remains : 124/124 places, 150/150 transitions.
[2025-06-05 01:48:25] [INFO ] Flatten gal took : 30 ms
[2025-06-05 01:48:25] [INFO ] Flatten gal took : 28 ms
[2025-06-05 01:48:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16160117534745413167.gal : 4 ms
[2025-06-05 01:48:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16014674375617841817.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/ReachabilityCardinality16160117534745413167.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16014674375617841817.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (8362 resets) in 313 ms. (127 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16014674375617841817.prop.
BEST_FIRST walk for 40004 steps (2831 resets) in 88 ms. (449 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 98
BEST_FIRST walk for 40003 steps (2844 resets) in 89 ms. (444 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :98 after 286
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :286 after 515
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :515 after 1566
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1566 after 4422
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4422 after 7346
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7346 after 13058
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :13058 after 24316
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :24316 after 47092
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :47092 after 1.48756e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.48756e+06 after 3.128e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :3.128e+08 after 8.1697e+11
Interrupted probabilistic random walk after 868741 steps, run timeout after 3001 ms. (steps per millisecond=289 ) properties seen :0 out of 2
Probabilistic random walk after 868741 steps, saw 378473 distinct states, run finished after 3001 ms. (steps per millisecond=289 ) properties seen :0
[2025-06-05 01:48:28] [INFO ] Invariant cache hit.
[2025-06-05 01:48:28] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 106/109 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 152/261 variables, 106/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 46/162 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 01:48:28] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 274/274 variables, and 176 constraints, problems are : Problem set: 1 solved, 0 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 124/124 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 169ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[164]
Ending property specific reduction for RingSingleMessageInMbox-PT-d1m160-UpperBounds-09 in 86341 ms.
[2025-06-05 01:48:28] [INFO ] Flatten gal took : 18 ms
[2025-06-05 01:48:28] [INFO ] Applying decomposition
[2025-06-05 01:48:28] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5633766151328280330.txt' '-o' '/tmp/graph5633766151328280330.bin' '-w' '/tmp/graph5633766151328280330.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5633766151328280330.bin' '-l' '-1' '-v' '-w' '/tmp/graph5633766151328280330.weights' '-q' '0' '-e' '0.001'
[2025-06-05 01:48:28] [INFO ] Decomposing Gal with order
[2025-06-05 01:48:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-05 01:48:28] [INFO ] Removed a total of 143 redundant transitions.
[2025-06-05 01:48:28] [INFO ] Flatten gal took : 52 ms
[2025-06-05 01:48:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 101 labels/synchronizations in 9 ms.
[2025-06-05 01:48:28] [INFO ] Time to serialize gal into /tmp/UpperBounds5671293194907586142.gal : 4 ms
[2025-06-05 01:48:28] [INFO ] Time to serialize properties into /tmp/UpperBounds3206891059710977492.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/UpperBounds5671293194907586142.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3206891059710977492.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 ...283
Loading property file /tmp/UpperBounds3206891059710977492.prop.
Detected timeout of ITS tools.
[2025-06-05 02:09:42] [INFO ] Flatten gal took : 253 ms
[2025-06-05 02:09:42] [INFO ] Time to serialize gal into /tmp/UpperBounds1638236246067885277.gal : 28 ms
[2025-06-05 02:09:43] [INFO ] Time to serialize properties into /tmp/UpperBounds3012666029466883917.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/UpperBounds1638236246067885277.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3012666029466883917.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...304
Loading property file /tmp/UpperBounds3012666029466883917.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5.10671e+22,57.3119,1022732,2,91447,5,7.76386e+06,6,0,648,7.90242e+06,0
Total reachable state count : 51067118221371381624832

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 159
Bounds property RingSingleMessageInMbox-PT-d1m160-UpperBounds-09 :0 <= l3968 <= 159
FORMULA RingSingleMessageInMbox-PT-d1m160-UpperBounds-09 159 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
RingSingleMessageInMbox-PT-d1m160-UpperBounds-09,0,59.0424,1022732,1,0,7,7.76386e+06,9,1,1051,7.90242e+06,4
Total runtime 1547092 ms.

BK_STOP 1749089442793

--------------------
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="RingSingleMessageInMbox-PT-d1m160"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is RingSingleMessageInMbox-PT-d1m160, 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 r184-tall-174889264200453"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m160.tgz
mv RingSingleMessageInMbox-PT-d1m160 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 ;