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.r095-smll-177946996300026.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 DBSingleClientW-PT-d2m05, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300026
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 6.4K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 08:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M 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 DBSingleClientW-PT-d2m05-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m05-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779526093102

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 08:48:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 08:48:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:48:16] [INFO ] Load time of PNML (sax parser for PT used): 467 ms
[2026-05-23 08:48:16] [INFO ] Transformed 4763 places.
[2026-05-23 08:48:16] [INFO ] Transformed 2478 transitions.
[2026-05-23 08:48:16] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 693 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 3580 places in 26 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
// Phase 1: matrix 2478 rows 1183 cols
[2026-05-23 08:48:16] [INFO ] Computed 6 invariants in 216 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[2, 5, 5, 7]
RANDOM walk for 10000 steps (2275 resets) in 659 ms. (15 steps per ms)
BEST_FIRST walk for 40003 steps (3732 resets) in 501 ms. (79 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0, 0] Max Struct:[2, 5, 5, 7]
[2026-05-23 08:48:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:48:18] [INFO ] [Real]Absence check using 2 positive place invariants in 33 ms returned sat
[2026-05-23 08:48:18] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-23 08:48:20] [INFO ] [Real]Absence check using state equation in 1953 ms returned sat
[2026-05-23 08:48:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:48:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 20 ms returned sat
[2026-05-23 08:48:21] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 16 ms returned sat
[2026-05-23 08:48:22] [INFO ] [Nat]Absence check using state equation in 1549 ms returned sat
[2026-05-23 08:48:23] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2026-05-23 08:48:25] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 08:48:25] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2228 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:48:27] [INFO ] Deduced a trap composed of 24 places in 1710 ms of which 71 ms to minimize.
[2026-05-23 08:48:27] [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 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 5.0 s and query timeout 500.0 ms
[2026-05-23 08:48:27] [INFO ] [Real]Absence check using 2 positive place invariants in 15 ms returned sat
[2026-05-23 08:48:27] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2026-05-23 08:48:28] [INFO ] [Real]Absence check using state equation in 897 ms returned sat
[2026-05-23 08:48:30] [INFO ] [Real]Added 1588 Read/Feed constraints in 1737 ms returned sat
[2026-05-23 08:48:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:48:30] [INFO ] [Nat]Absence check using 2 positive place invariants in 26 ms returned sat
[2026-05-23 08:48:30] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-23 08:48:31] [INFO ] [Nat]Absence check using state equation in 1197 ms returned sat
[2026-05-23 08:48:33] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1117 ms returned sat
[2026-05-23 08:48:34] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1348 ms.
[2026-05-23 08:48:35] [INFO ] Added : 2 causal constraints over 1 iterations in 2151 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:48:35] [INFO ] [Real]Absence check using 2 positive place invariants in 25 ms returned sat
[2026-05-23 08:48:35] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 20 ms returned sat
[2026-05-23 08:48:37] [INFO ] [Real]Absence check using state equation in 1484 ms returned sat
[2026-05-23 08:48:38] [INFO ] [Real]Added 1588 Read/Feed constraints in 1635 ms returned sat
[2026-05-23 08:48:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:48:39] [INFO ] [Nat]Absence check using 2 positive place invariants in 26 ms returned sat
[2026-05-23 08:48:39] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-23 08:48:40] [INFO ] [Nat]Absence check using state equation in 1329 ms returned sat
[2026-05-23 08:48:42] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 08:48:42] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1726 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:48:44] [INFO ] Deduced a trap composed of 157 places in 2244 ms of which 370 ms to minimize.
[2026-05-23 08:48:44] [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 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 5.0 s and query timeout 500.0 ms
[2026-05-23 08:48:45] [INFO ] [Real]Absence check using 2 positive place invariants in 23 ms returned sat
[2026-05-23 08:48:45] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 18 ms returned sat
[2026-05-23 08:48:46] [INFO ] [Real]Absence check using state equation in 1323 ms returned sat
[2026-05-23 08:48:48] [INFO ] [Real]Added 1588 Read/Feed constraints in 1713 ms returned sat
[2026-05-23 08:48:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 25 ms returned sat
[2026-05-23 08:48:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 18 ms returned sat
[2026-05-23 08:48:50] [INFO ] [Nat]Absence check using state equation in 1304 ms returned sat
[2026-05-23 08:48:51] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 08:48:52] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2139 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0, 0] Max Struct:[2, 5, 5, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0, 0] Max Struct:[2, 5, 5, 7]
Support contains 4 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.17 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 390 places :
Symmetric choice reduction at 1 with 390 rule applications. Total rules 608 place count 746 transition count 1218
Iterating global reduction 1 with 390 rules applied. Total rules applied 998 place count 746 transition count 1218
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 1016 place count 746 transition count 1200
Discarding 313 places :
Symmetric choice reduction at 2 with 313 rule applications. Total rules 1329 place count 433 transition count 887
Iterating global reduction 2 with 313 rules applied. Total rules applied 1642 place count 433 transition count 887
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1654 place count 433 transition count 875
Discarding 238 places :
Symmetric choice reduction at 3 with 238 rule applications. Total rules 1892 place count 195 transition count 538
Iterating global reduction 3 with 238 rules applied. Total rules applied 2130 place count 195 transition count 538
Ensure Unique test removed 209 transitions
Reduce isomorphic transitions removed 209 transitions.
Iterating post reduction 3 with 209 rules applied. Total rules applied 2339 place count 195 transition count 329
Discarding 25 places :
Symmetric choice reduction at 4 with 25 rule applications. Total rules 2364 place count 170 transition count 289
Iterating global reduction 4 with 25 rules applied. Total rules applied 2389 place count 170 transition count 289
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 4 with 12 rules applied. Total rules applied 2401 place count 170 transition count 277
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 2416 place count 155 transition count 262
Iterating global reduction 5 with 15 rules applied. Total rules applied 2431 place count 155 transition count 262
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2435 place count 155 transition count 258
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 2447 place count 143 transition count 246
Iterating global reduction 6 with 12 rules applied. Total rules applied 2459 place count 143 transition count 246
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 6 with 11 rules applied. Total rules applied 2470 place count 143 transition count 235
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 2477 place count 136 transition count 198
Iterating global reduction 7 with 7 rules applied. Total rules applied 2484 place count 136 transition count 198
Applied a total of 2484 rules in 545 ms. Remains 136 /1183 variables (removed 1047) and now considering 198/2478 (removed 2280) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 563 ms. Remains : 136/1183 places, 198/2478 transitions.
// Phase 1: matrix 198 rows 136 cols
[2026-05-23 08:48:52] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 0] Max Struct:[2, 5, 5, 7]
RANDOM walk for 1000000 steps (229375 resets) in 2546 ms. (392 steps per ms)
BEST_FIRST walk for 4000001 steps (380153 resets) in 3955 ms. (1011 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 0, 0] Max Struct:[2, 5, 5, 7]
[2026-05-23 08:48:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:48:59] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 5 ms returned sat
[2026-05-23 08:48:59] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2026-05-23 08:48:59] [INFO ] State equation strengthened by 65 read => feed constraints.
[2026-05-23 08:48:59] [INFO ] [Real]Added 65 Read/Feed constraints in 20 ms returned sat
[2026-05-23 08:48:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:48:59] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:48:59] [INFO ] [Nat]Absence check using state equation in 115 ms returned sat
[2026-05-23 08:48:59] [INFO ] [Nat]Added 65 Read/Feed constraints in 24 ms returned sat
[2026-05-23 08:48:59] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 143 transitions) in 42 ms.
[2026-05-23 08:48:59] [INFO ] Added : 2 causal constraints over 1 iterations in 106 ms. Result :sat
Minimization took 178 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:00] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:49:00] [INFO ] [Real]Absence check using state equation in 75 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:00] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:49:00] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2026-05-23 08:49:00] [INFO ] [Real]Added 65 Read/Feed constraints in 23 ms returned sat
[2026-05-23 08:49:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:00] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:49:00] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2026-05-23 08:49:00] [INFO ] [Nat]Added 65 Read/Feed constraints in 21 ms returned sat
[2026-05-23 08:49:00] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 143 transitions) in 28 ms.
[2026-05-23 08:49:00] [INFO ] Added : 7 causal constraints over 2 iterations in 122 ms. Result :sat
Minimization took 187 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:01] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:49:01] [INFO ] [Real]Absence check using state equation in 123 ms returned sat
[2026-05-23 08:49:01] [INFO ] [Real]Added 65 Read/Feed constraints in 25 ms returned sat
[2026-05-23 08:49:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:01] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:49:01] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-23 08:49:01] [INFO ] [Nat]Added 65 Read/Feed constraints in 31 ms returned sat
[2026-05-23 08:49:01] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 143 transitions) in 27 ms.
[2026-05-23 08:49:01] [INFO ] Added : 13 causal constraints over 3 iterations in 122 ms. Result :sat
Minimization took 140 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 0, 0] Max Struct:[2, 1, 5, 7]
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0] Max Struct:[2, 5, 7]
Support contains 3 out of 136 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 136/136 places, 198/198 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 135 transition count 197
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 135 transition count 197
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 134 transition count 195
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 134 transition count 195
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 134 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 133 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 133 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 132 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 132 transition count 192
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 132 transition count 191
Applied a total of 10 rules in 45 ms. Remains 132 /136 variables (removed 4) and now considering 191/198 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 132/136 places, 191/198 transitions.
// Phase 1: matrix 191 rows 132 cols
[2026-05-23 08:49:01] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0] Max Struct:[2, 5, 7]
RANDOM walk for 1000000 steps (229905 resets) in 2317 ms. (431 steps per ms)
BEST_FIRST walk for 3000002 steps (286833 resets) in 2789 ms. (1075 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0] Max Struct:[2, 5, 7]
[2026-05-23 08:49:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:06] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:49:07] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2026-05-23 08:49:07] [INFO ] State equation strengthened by 63 read => feed constraints.
[2026-05-23 08:49:07] [INFO ] [Real]Added 63 Read/Feed constraints in 26 ms returned sat
[2026-05-23 08:49:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:07] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:49:07] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2026-05-23 08:49:07] [INFO ] [Nat]Added 63 Read/Feed constraints in 19 ms returned sat
[2026-05-23 08:49:07] [INFO ] Computed and/alt/rep : 52/127/52 causal constraints (skipped 138 transitions) in 27 ms.
[2026-05-23 08:49:07] [INFO ] Added : 2 causal constraints over 1 iterations in 72 ms. Result :sat
Minimization took 196 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:07] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:49:07] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2026-05-23 08:49:07] [INFO ] [Real]Added 63 Read/Feed constraints in 21 ms returned sat
[2026-05-23 08:49:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:07] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:49:07] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2026-05-23 08:49:07] [INFO ] [Nat]Added 63 Read/Feed constraints in 29 ms returned sat
[2026-05-23 08:49:08] [INFO ] Computed and/alt/rep : 52/127/52 causal constraints (skipped 138 transitions) in 28 ms.
[2026-05-23 08:49:08] [INFO ] Added : 7 causal constraints over 2 iterations in 108 ms. Result :sat
Minimization took 159 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:08] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:49:08] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-23 08:49:08] [INFO ] [Real]Added 63 Read/Feed constraints in 22 ms returned sat
[2026-05-23 08:49:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:49:08] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:49:08] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2026-05-23 08:49:08] [INFO ] [Nat]Added 63 Read/Feed constraints in 18 ms returned sat
[2026-05-23 08:49:08] [INFO ] Computed and/alt/rep : 52/127/52 causal constraints (skipped 138 transitions) in 26 ms.
[2026-05-23 08:49:08] [INFO ] Added : 13 causal constraints over 3 iterations in 120 ms. Result :sat
Minimization took 135 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0] Max Struct:[2, 5, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0] Max Struct:[2, 5, 7]
Support contains 3 out of 132 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 132/132 places, 191/191 transitions.
Applied a total of 0 rules in 13 ms. Remains 132 /132 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 132/132 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 132/132 places, 191/191 transitions.
Applied a total of 0 rules in 10 ms. Remains 132 /132 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2026-05-23 08:49:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:49:09] [INFO ] Implicit Places using invariants in 130 ms returned []
[2026-05-23 08:49:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:49:09] [INFO ] State equation strengthened by 63 read => feed constraints.
[2026-05-23 08:49:10] [INFO ] Implicit Places using invariants and state equation in 1129 ms returned []
Implicit Place search using SMT with State Equation took 1263 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:49:10] [INFO ] Redundant transitions in 9 ms returned []
Running 190 sub problems to find dead transitions.
[2026-05-23 08:49:10] [INFO ] Invariant cache hit.
[2026-05-23 08:49:10] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/131 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/131 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 1/132 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/132 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 191/323 variables, 132/134 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/323 variables, 63/197 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/323 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/323 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 323/323 variables, and 197 constraints, problems are : Problem set: 0 solved, 190 unsolved in 17935 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 132/132 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/131 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/131 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 1/132 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/132 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 191/323 variables, 132/134 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/323 variables, 63/197 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/323 variables, 190/387 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 323/323 variables, and 387 constraints, problems are : Problem set: 0 solved, 190 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 132/132 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48378ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 48389ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49691 ms. Remains : 132/132 places, 191/191 transitions.
[2026-05-23 08:49:59] [INFO ] Flatten gal took : 109 ms
RANDOM walk for 40000 steps (9130 resets) in 1988 ms. (20 steps per ms) remains 6/6 properties
[2026-05-23 08:49:59] [INFO ] Flatten gal took : 52 ms
[2026-05-23 08:49:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17134291081380226367.gal : 19 ms
[2026-05-23 08:49:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2623149975733954360.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/ReachabilityCardinality17134291081380226367.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2623149975733954360.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/ReachabilityCardinality2623149975733954360.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :182 after 282
BEST_FIRST walk for 40003 steps (3755 resets) in 719 ms. (55 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :282 after 524
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :524 after 2342
BEST_FIRST walk for 40002 steps (3913 resets) in 565 ms. (70 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :2342 after 5717
BEST_FIRST walk for 40004 steps (3733 resets) in 262 ms. (152 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (3848 resets) in 342 ms. (116 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (3735 resets) in 177 ms. (224 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (3746 resets) in 135 ms. (294 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :5717 after 11218
Invariant property MIN0 does not hold.
Reachability property MAX0 is true.
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :11218 after 43086
Invariant property MIN1 does not hold.
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :43086 after 59208
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :59208 after 73392
Invariant property MIN2 does not hold.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :73392 after 121148
Interrupted probabilistic random walk after 526269 steps, run timeout after 3001 ms. (steps per millisecond=175 ) properties seen :4 out of 6
Probabilistic random walk after 526269 steps, saw 212154 distinct states, run finished after 3007 ms. (steps per millisecond=175 ) properties seen :4
[2026-05-23 08:50:03] [INFO ] Invariant cache hit.
[2026-05-23 08:50:03] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 94/96 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 143/239 variables, 96/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
After SMT solving in domain Real declared 314/323 variables, and 129 constraints, problems are : Problem set: 2 solved, 0 unsolved in 205 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 127/132 constraints, ReadFeed: 0/63 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 217ms problems are : Problem set: 2 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.
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-05 2 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[0, 0] Max Struct:[5, 7]
Starting property specific reduction for DBSingleClientW-PT-d2m05-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:50:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[5]
RANDOM walk for 10000 steps (2306 resets) in 23 ms. (416 steps per ms)
BEST_FIRST walk for 10000 steps (933 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:50:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:50:03] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:50:03] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-23 08:50:03] [INFO ] State equation strengthened by 63 read => feed constraints.
[2026-05-23 08:50:03] [INFO ] [Real]Added 63 Read/Feed constraints in 15 ms returned sat
[2026-05-23 08:50:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:50:03] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:50:03] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-23 08:50:03] [INFO ] [Nat]Added 63 Read/Feed constraints in 19 ms returned sat
[2026-05-23 08:50:03] [INFO ] Computed and/alt/rep : 52/127/52 causal constraints (skipped 138 transitions) in 18 ms.
[2026-05-23 08:50:03] [INFO ] Added : 7 causal constraints over 2 iterations in 75 ms. Result :sat
Minimization took 151 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[5]
Support contains 1 out of 132 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 132/132 places, 191/191 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 130 transition count 188
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 130 transition count 188
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 130 transition count 187
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 129 transition count 186
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 129 transition count 186
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 129 transition count 185
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 128 transition count 178
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 128 transition count 178
Applied a total of 10 rules in 32 ms. Remains 128 /132 variables (removed 4) and now considering 178/191 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 128/132 places, 178/191 transitions.
// Phase 1: matrix 178 rows 128 cols
[2026-05-23 08:50:03] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[5]
RANDOM walk for 1000000 steps (230090 resets) in 1933 ms. (517 steps per ms)
BEST_FIRST walk for 1000001 steps (95286 resets) in 842 ms. (1186 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:50:06] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:50:06] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-23 08:50:06] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-23 08:50:06] [INFO ] [Real]Added 54 Read/Feed constraints in 14 ms returned sat
[2026-05-23 08:50:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:50:06] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:50:06] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-23 08:50:06] [INFO ] [Nat]Added 54 Read/Feed constraints in 17 ms returned sat
[2026-05-23 08:50:06] [INFO ] Computed and/alt/rep : 51/123/51 causal constraints (skipped 126 transitions) in 16 ms.
[2026-05-23 08:50:07] [INFO ] Added : 7 causal constraints over 2 iterations in 63 ms. Result :sat
Minimization took 84 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[5]
Support contains 1 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 178/178 transitions.
Applied a total of 0 rules in 8 ms. Remains 128 /128 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 128/128 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 178/178 transitions.
Applied a total of 0 rules in 7 ms. Remains 128 /128 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-23 08:50:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:50:07] [INFO ] Implicit Places using invariants in 153 ms returned []
[2026-05-23 08:50:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:50:07] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-23 08:50:08] [INFO ] Implicit Places using invariants and state equation in 927 ms returned []
Implicit Place search using SMT with State Equation took 1083 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:50:08] [INFO ] Redundant transitions in 8 ms returned []
Running 177 sub problems to find dead transitions.
[2026-05-23 08:50:08] [INFO ] Invariant cache hit.
[2026-05-23 08:50:08] [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) 0/127 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/128 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/306 variables, 128/130 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 54/184 constraints. Problems are: Problem set: 0 solved, 177 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/306 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 184 constraints, problems are : Problem set: 0 solved, 177 unsolved in 14413 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 128/128 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/128 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/306 variables, 128/130 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 54/184 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 177/361 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/306 variables, and 361 constraints, problems are : Problem set: 0 solved, 177 unsolved in 30013 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 128/128 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44604ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 44607ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45712 ms. Remains : 128/128 places, 178/178 transitions.
[2026-05-23 08:50:52] [INFO ] Flatten gal took : 87 ms
RANDOM walk for 40000 steps (9145 resets) in 365 ms. (109 steps per ms) remains 2/2 properties
[2026-05-23 08:50:53] [INFO ] Flatten gal took : 44 ms
[2026-05-23 08:50:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality485749127996612372.gal : 15 ms
[2026-05-23 08:50:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11901079433916591068.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/ReachabilityCardinality485749127996612372.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11901079433916591068.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality11901079433916591068.prop.
BEST_FIRST walk for 40003 steps (3806 resets) in 226 ms. (176 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3763 resets) in 93 ms. (425 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 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 142
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :142 after 212
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :212 after 348
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :348 after 1052
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1052 after 1923
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1923 after 6938
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :6938 after 38973
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :38973 after 48939
Probably explored full state space saw : 232008 states, properties seen :1
Probabilistic random walk after 570572 steps, saw 232008 distinct states, run finished after 1090 ms. (steps per millisecond=523 ) properties seen :1
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :48939 after 69461
Explored full state space saw : 232266 states, properties seen :0
Exhaustive walk after 571146 steps, saw 232266 distinct states, run finished after 929 ms. (steps per millisecond=614 ) properties seen :0
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:[0] Max Struct:[5]
Ending property specific reduction for DBSingleClientW-PT-d2m05-UpperBounds-11 in 51871 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m05-UpperBounds-13
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:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
// Phase 1: matrix 191 rows 132 cols
[2026-05-23 08:50:55] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2305 resets) in 27 ms. (357 steps per ms)
BEST_FIRST walk for 10001 steps (951 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2026-05-23 08:50:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:50:55] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:50:55] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2026-05-23 08:50:55] [INFO ] State equation strengthened by 63 read => feed constraints.
[2026-05-23 08:50:55] [INFO ] [Real]Added 63 Read/Feed constraints in 35 ms returned sat
[2026-05-23 08:50:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:50:55] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:50:55] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2026-05-23 08:50:55] [INFO ] [Nat]Added 63 Read/Feed constraints in 27 ms returned sat
[2026-05-23 08:50:55] [INFO ] Computed and/alt/rep : 52/127/52 causal constraints (skipped 138 transitions) in 24 ms.
[2026-05-23 08:50:55] [INFO ] Added : 13 causal constraints over 3 iterations in 156 ms. Result :sat
Minimization took 207 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 132 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 132/132 places, 191/191 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 130 transition count 186
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 130 transition count 186
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 130 transition count 185
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 129 transition count 184
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 129 transition count 184
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 128 transition count 182
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 128 transition count 182
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 128 transition count 181
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 127 transition count 180
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 127 transition count 180
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 126 transition count 179
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 126 transition count 179
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 15 place count 126 transition count 178
Applied a total of 15 rules in 38 ms. Remains 126 /132 variables (removed 6) and now considering 178/191 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 126/132 places, 178/191 transitions.
// Phase 1: matrix 178 rows 126 cols
[2026-05-23 08:50:56] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 1000000 steps (230208 resets) in 2099 ms. (476 steps per ms)
BEST_FIRST walk for 1000000 steps (95699 resets) in 839 ms. (1190 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2026-05-23 08:50:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:50:59] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:50:59] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-23 08:50:59] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-23 08:50:59] [INFO ] [Real]Added 57 Read/Feed constraints in 23 ms returned sat
[2026-05-23 08:50:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:50:59] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:50:59] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2026-05-23 08:50:59] [INFO ] [Nat]Added 57 Read/Feed constraints in 40 ms returned sat
[2026-05-23 08:50:59] [INFO ] Computed and/alt/rep : 50/117/50 causal constraints (skipped 127 transitions) in 22 ms.
[2026-05-23 08:50:59] [INFO ] Added : 11 causal constraints over 3 iterations in 138 ms. Result :sat
Minimization took 152 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 178/178 transitions.
Applied a total of 0 rules in 10 ms. Remains 126 /126 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 126/126 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 178/178 transitions.
Applied a total of 0 rules in 10 ms. Remains 126 /126 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-23 08:50:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:51:00] [INFO ] Implicit Places using invariants in 234 ms returned []
[2026-05-23 08:51:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:51:00] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-23 08:51:01] [INFO ] Implicit Places using invariants and state equation in 885 ms returned []
Implicit Place search using SMT with State Equation took 1122 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:51:01] [INFO ] Redundant transitions in 6 ms returned []
Running 177 sub problems to find dead transitions.
[2026-05-23 08:51:01] [INFO ] Invariant cache hit.
[2026-05-23 08:51:01] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/304 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/304 variables, 57/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/304 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/304 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 304/304 variables, and 185 constraints, problems are : Problem set: 0 solved, 177 unsolved in 15925 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/304 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/304 variables, 57/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/304 variables, 177/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/304 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 304/304 variables, and 362 constraints, problems are : Problem set: 0 solved, 177 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 46129ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 46131ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47284 ms. Remains : 126/126 places, 178/178 transitions.
[2026-05-23 08:51:47] [INFO ] Flatten gal took : 69 ms
[2026-05-23 08:51:47] [INFO ] Flatten gal took : 26 ms
RANDOM walk for 40000 steps (9223 resets) in 301 ms. (132 steps per ms) remains 2/2 properties
[2026-05-23 08:51:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2695587647131482679.gal : 9 ms
[2026-05-23 08:51:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6954280245671307208.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/ReachabilityCardinality2695587647131482679.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6954280245671307208.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6954280245671307208.prop.
BEST_FIRST walk for 40000 steps (3743 resets) in 181 ms. (219 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
BEST_FIRST walk for 40002 steps (3862 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 282
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :282 after 548
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :548 after 1442
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1442 after 5626
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :5626 after 21942
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :21942 after 43464
Probably explored full state space saw : 190832 states, properties seen :1
Probabilistic random walk after 461800 steps, saw 190832 distinct states, run finished after 1159 ms. (steps per millisecond=398 ) properties seen :1
Explored full state space saw : 191314 states, properties seen :0
Exhaustive walk after 462718 steps, saw 191314 distinct states, run finished after 672 ms. (steps per millisecond=688 ) properties seen :0
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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m05-UpperBounds-13 in 54043 ms.
[2026-05-23 08:51:49] [INFO ] Flatten gal took : 16 ms
[2026-05-23 08:51:49] [INFO ] Applying decomposition
[2026-05-23 08:51:49] [INFO ] Flatten gal took : 14 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/graph14687059783086353956.txt' '-o' '/tmp/graph14687059783086353956.bin' '-w' '/tmp/graph14687059783086353956.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14687059783086353956.bin' '-l' '-1' '-v' '-w' '/tmp/graph14687059783086353956.weights' '-q' '0' '-e' '0.001'
[2026-05-23 08:51:49] [INFO ] Decomposing Gal with order
[2026-05-23 08:51:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:51:49] [INFO ] Removed a total of 182 redundant transitions.
[2026-05-23 08:51:49] [INFO ] Flatten gal took : 96 ms
[2026-05-23 08:51:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 149 labels/synchronizations in 23 ms.
[2026-05-23 08:51:49] [INFO ] Time to serialize gal into /tmp/UpperBounds13342416255746176566.gal : 9 ms
[2026-05-23 08:51:49] [INFO ] Time to serialize properties into /tmp/UpperBounds6774439139041845884.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/UpperBounds13342416255746176566.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds6774439139041845884.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds6774439139041845884.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,253994,0.498297,14712,891,831,12509,6037,592,30521,250,45889,0
Total reachable state count : 253994

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m05-UpperBounds-11 :0 <= i2.i1.u17.l4109 <= 1
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-11 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m05-UpperBounds-11,0,0.550092,14712,1,0,12509,6037,709,30521,292,45889,595
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m05-UpperBounds-13 :0 <= i2.i1.u7.p109 <= 1
FORMULA DBSingleClientW-PT-d2m05-UpperBounds-13 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m05-UpperBounds-13,0,0.551319,14712,1,0,12509,6037,732,30521,304,45889,677
Total runtime 214786 ms.

BK_STOP 1779526310264

--------------------
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="DBSingleClientW-PT-d2m05"
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 DBSingleClientW-PT-d2m05, 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 r095-smll-177946996300026"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m05.tgz
mv DBSingleClientW-PT-d2m05 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 ;