About the Execution of ITS-Tools for DBSingleClientW-PT-d2m06
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 385018.00 | 0.00 | 0.00 | 1 0 0 0 3 1 0 0 0 0 0 0 1 2 0 0 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854063600133.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 DBSingleClientW-PT-d2m06, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854063600133
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K 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 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K 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 9.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 143K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.6M 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 DBSingleClientW-PT-d2m06-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748611840897
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-30 13:30:43] [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]
[2025-05-30 13:30:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 13:30:44] [INFO ] Load time of PNML (sax parser for PT used): 592 ms
[2025-05-30 13:30:44] [INFO ] Transformed 4763 places.
[2025-05-30 13:30:44] [INFO ] Transformed 2478 transitions.
[2025-05-30 13:30:44] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 885 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 25 ms.
Deduced a syphon composed of 3580 places in 39 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-15 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 2478 rows 1183 cols
[2025-05-30 13:30:44] [INFO ] Computed 6 invariants in 182 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[7, 6, 6, 7, 3]
RANDOM walk for 10000 steps (2281 resets) in 700 ms. (14 steps per ms)
BEST_FIRST walk for 50002 steps (4554 resets) in 609 ms. (81 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 1] Max Struct:[7, 6, 6, 7, 3]
[2025-05-30 13:30:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:30:46] [INFO ] [Real]Absence check using 2 positive place invariants in 29 ms returned sat
[2025-05-30 13:30:46] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 21 ms returned sat
[2025-05-30 13:30:48] [INFO ] [Real]Absence check using state equation in 1397 ms returned sat
[2025-05-30 13:30:48] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2025-05-30 13:30:50] [INFO ] [Real]Added 1588 Read/Feed constraints in 1756 ms returned sat
[2025-05-30 13:30:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:30:51] [INFO ] [Nat]Absence check using 2 positive place invariants in 23 ms returned sat
[2025-05-30 13:30:51] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 18 ms returned sat
[2025-05-30 13:30:52] [INFO ] [Nat]Absence check using state equation in 1574 ms returned sat
[2025-05-30 13:30:54] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 13:30:54] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2059 ms returned sat
[2025-05-30 13:30:56] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1544 ms.
[2025-05-30 13:30:56] [INFO ] Added : 0 causal constraints over 0 iterations in 1554 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:30:56] [INFO ] [Real]Absence check using 2 positive place invariants in 18 ms returned sat
[2025-05-30 13:30:56] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2025-05-30 13:30:58] [INFO ] [Real]Absence check using state equation in 1297 ms returned sat
[2025-05-30 13:30:59] [INFO ] [Real]Added 1588 Read/Feed constraints in 1681 ms returned sat
[2025-05-30 13:30:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:31:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 27 ms returned sat
[2025-05-30 13:31:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2025-05-30 13:31:01] [INFO ] [Nat]Absence check using state equation in 1429 ms returned sat
[2025-05-30 13:31:03] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1459 ms returned sat
[2025-05-30 13:31:04] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1426 ms.
[2025-05-30 13:31:05] [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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:31:05] [INFO ] [Real]Absence check using 2 positive place invariants in 26 ms returned sat
[2025-05-30 13:31:05] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 20 ms returned sat
[2025-05-30 13:31:06] [INFO ] [Real]Absence check using state equation in 1404 ms returned sat
[2025-05-30 13:31:08] [INFO ] [Real]Added 1588 Read/Feed constraints in 1419 ms returned sat
[2025-05-30 13:31:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:31:08] [INFO ] [Nat]Absence check using 2 positive place invariants in 26 ms returned sat
[2025-05-30 13:31:08] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2025-05-30 13:31:10] [INFO ] [Nat]Absence check using state equation in 1470 ms returned sat
[2025-05-30 13:31:12] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 13:31:12] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2239 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:15] [INFO ] Deduced a trap composed of 182 places in 2511 ms of which 515 ms to minimize.
[2025-05-30 13:31:15] [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
[2025-05-30 13:31:15] [INFO ] [Real]Absence check using 2 positive place invariants in 23 ms returned sat
[2025-05-30 13:31:15] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2025-05-30 13:31:16] [INFO ] [Real]Absence check using state equation in 1441 ms returned sat
[2025-05-30 13:31:17] [INFO ] [Real]Added 1588 Read/Feed constraints in 1017 ms returned sat
[2025-05-30 13:31:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:31:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 16 ms returned sat
[2025-05-30 13:31:18] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 11 ms returned sat
[2025-05-30 13:31:19] [INFO ] [Nat]Absence check using state equation in 1104 ms returned sat
[2025-05-30 13:31:20] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 13:31:21] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1978 ms returned sat
[2025-05-30 13:31:22] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 625 ms.
[2025-05-30 13:31:23] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:31:23] [INFO ] [Real]Absence check using 2 positive place invariants in 14 ms returned sat
[2025-05-30 13:31:23] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2025-05-30 13:31:24] [INFO ] [Real]Absence check using state equation in 1244 ms returned sat
[2025-05-30 13:31:26] [INFO ] [Real]Added 1588 Read/Feed constraints in 1774 ms returned sat
[2025-05-30 13:31:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:31:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 26 ms returned sat
[2025-05-30 13:31:26] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 18 ms returned sat
[2025-05-30 13:31:28] [INFO ] [Nat]Absence check using state equation in 1363 ms returned sat
[2025-05-30 13:31:29] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1557 ms returned sat
[2025-05-30 13:31:30] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 924 ms.
[2025-05-30 13:31:31] [INFO ] Added : 2 causal constraints over 1 iterations in 1449 ms. Result :sat
Minimization took 144 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 1] Max Struct:[7, 6, 6, 7, 3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 1] Max Struct:[7, 6, 6, 7, 3]
Support contains 5 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.14 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 387 places :
Symmetric choice reduction at 1 with 387 rule applications. Total rules 605 place count 749 transition count 1204
Iterating global reduction 1 with 387 rules applied. Total rules applied 992 place count 749 transition count 1204
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1001 place count 749 transition count 1195
Discarding 314 places :
Symmetric choice reduction at 2 with 314 rule applications. Total rules 1315 place count 435 transition count 881
Iterating global reduction 2 with 314 rules applied. Total rules applied 1629 place count 435 transition count 881
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1641 place count 435 transition count 869
Discarding 238 places :
Symmetric choice reduction at 3 with 238 rule applications. Total rules 1879 place count 197 transition count 535
Iterating global reduction 3 with 238 rules applied. Total rules applied 2117 place count 197 transition count 535
Ensure Unique test removed 208 transitions
Reduce isomorphic transitions removed 208 transitions.
Iterating post reduction 3 with 208 rules applied. Total rules applied 2325 place count 197 transition count 327
Discarding 24 places :
Symmetric choice reduction at 4 with 24 rule applications. Total rules 2349 place count 173 transition count 288
Iterating global reduction 4 with 24 rules applied. Total rules applied 2373 place count 173 transition count 288
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2379 place count 173 transition count 282
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 2394 place count 158 transition count 267
Iterating global reduction 5 with 15 rules applied. Total rules applied 2409 place count 158 transition count 267
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 2412 place count 158 transition count 264
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 2425 place count 145 transition count 251
Iterating global reduction 6 with 13 rules applied. Total rules applied 2438 place count 145 transition count 251
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 2450 place count 145 transition count 239
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 2454 place count 141 transition count 223
Iterating global reduction 7 with 4 rules applied. Total rules applied 2458 place count 141 transition count 223
Applied a total of 2458 rules in 445 ms. Remains 141 /1183 variables (removed 1042) and now considering 223/2478 (removed 2255) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 458 ms. Remains : 141/1183 places, 223/2478 transitions.
// Phase 1: matrix 223 rows 141 cols
[2025-05-30 13:31:32] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 1] Max Struct:[7, 6, 6, 7, 3]
RANDOM walk for 1000000 steps (229531 resets) in 2508 ms. (398 steps per ms)
BEST_FIRST walk for 5000005 steps (476585 resets) in 5501 ms. (908 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 2] Max Struct:[7, 6, 6, 7, 3]
[2025-05-30 13:31:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:40] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:40] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-05-30 13:31:40] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-05-30 13:31:40] [INFO ] [Real]Added 86 Read/Feed constraints in 38 ms returned sat
[2025-05-30 13:31:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:40] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:31:40] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2025-05-30 13:31:40] [INFO ] [Nat]Added 86 Read/Feed constraints in 30 ms returned sat
[2025-05-30 13:31:40] [INFO ] Computed and/alt/rep : 55/140/55 causal constraints (skipped 167 transitions) in 20 ms.
[2025-05-30 13:31:40] [INFO ] Added : 13 causal constraints over 3 iterations in 173 ms. Result :sat
Minimization took 163 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:41] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:41] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2025-05-30 13:31:41] [INFO ] [Real]Added 86 Read/Feed constraints in 22 ms returned sat
[2025-05-30 13:31:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:41] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:41] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2025-05-30 13:31:41] [INFO ] [Nat]Added 86 Read/Feed constraints in 35 ms returned sat
[2025-05-30 13:31:41] [INFO ] Computed and/alt/rep : 55/140/55 causal constraints (skipped 167 transitions) in 29 ms.
[2025-05-30 13:31:41] [INFO ] Added : 8 causal constraints over 4 iterations in 307 ms. Result :sat
Minimization took 421 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:31:42] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-05-30 13:31:42] [INFO ] [Real]Added 86 Read/Feed constraints in 24 ms returned sat
[2025-05-30 13:31:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:42] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:31:42] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2025-05-30 13:31:42] [INFO ] [Nat]Added 86 Read/Feed constraints in 44 ms returned sat
[2025-05-30 13:31:42] [INFO ] Computed and/alt/rep : 55/140/55 causal constraints (skipped 167 transitions) in 35 ms.
[2025-05-30 13:31:42] [INFO ] Added : 12 causal constraints over 3 iterations in 214 ms. Result :sat
Minimization took 302 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:31:43] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2025-05-30 13:31:43] [INFO ] [Real]Added 86 Read/Feed constraints in 57 ms returned sat
[2025-05-30 13:31:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:43] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:31:43] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2025-05-30 13:31:43] [INFO ] [Nat]Added 86 Read/Feed constraints in 63 ms returned sat
[2025-05-30 13:31:43] [INFO ] Computed and/alt/rep : 55/140/55 causal constraints (skipped 167 transitions) in 32 ms.
[2025-05-30 13:31:44] [INFO ] Added : 13 causal constraints over 3 iterations in 291 ms. Result :sat
Minimization took 236 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:44] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:31:44] [INFO ] [Real]Absence check using state equation in 123 ms returned sat
[2025-05-30 13:31:44] [INFO ] [Real]Added 86 Read/Feed constraints in 29 ms returned sat
[2025-05-30 13:31:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:44] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:31:44] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-05-30 13:31:44] [INFO ] [Nat]Added 86 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:44] [INFO ] Deduced a trap composed of 15 places in 105 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:44] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:45] [INFO ] Deduced a trap composed of 16 places in 103 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:45] [INFO ] Deduced a trap composed of 16 places in 128 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:45] [INFO ] Deduced a trap composed of 16 places in 171 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:45] [INFO ] Deduced a trap composed of 15 places in 163 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:45] [INFO ] Deduced a trap composed of 15 places in 155 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:46] [INFO ] Deduced a trap composed of 16 places in 155 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:46] [INFO ] Deduced a trap composed of 16 places in 160 ms of which 19 ms to minimize.
[2025-05-30 13:31:46] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 9 trap constraints in 1620 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 2] Max Struct:[7, 6, 6, 7, 2]
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-13 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[7, 6, 6, 7]
Support contains 4 out of 141 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 141/141 places, 223/223 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 140 transition count 222
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 140 transition count 222
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 139 transition count 221
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 139 transition count 221
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 139 transition count 220
Applied a total of 5 rules in 67 ms. Remains 139 /141 variables (removed 2) and now considering 220/223 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 139/141 places, 220/223 transitions.
// Phase 1: matrix 220 rows 139 cols
[2025-05-30 13:31:46] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[7, 6, 6, 7]
RANDOM walk for 1000000 steps (229878 resets) in 2844 ms. (351 steps per ms)
BEST_FIRST walk for 4000003 steps (382243 resets) in 4324 ms. (924 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[7, 6, 6, 7]
[2025-05-30 13:31:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:54] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:54] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-05-30 13:31:54] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-05-30 13:31:54] [INFO ] [Real]Added 85 Read/Feed constraints in 22 ms returned sat
[2025-05-30 13:31:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:54] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:31:54] [INFO ] [Nat]Absence check using state equation in 135 ms returned sat
[2025-05-30 13:31:54] [INFO ] [Nat]Added 85 Read/Feed constraints in 59 ms returned sat
[2025-05-30 13:31:54] [INFO ] Computed and/alt/rep : 54/136/54 causal constraints (skipped 165 transitions) in 28 ms.
[2025-05-30 13:31:54] [INFO ] Added : 16 causal constraints over 4 iterations in 371 ms. Result :sat
Minimization took 236 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:55] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:55] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2025-05-30 13:31:55] [INFO ] [Real]Added 85 Read/Feed constraints in 29 ms returned sat
[2025-05-30 13:31:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:55] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:55] [INFO ] [Nat]Absence check using state equation in 115 ms returned sat
[2025-05-30 13:31:55] [INFO ] [Nat]Added 85 Read/Feed constraints in 30 ms returned sat
[2025-05-30 13:31:55] [INFO ] Computed and/alt/rep : 54/136/54 causal constraints (skipped 165 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:55] [INFO ] Deduced a trap composed of 14 places in 175 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:31:56] [INFO ] Deduced a trap composed of 17 places in 175 ms of which 7 ms to minimize.
[2025-05-30 13:31:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 460 ms
[2025-05-30 13:31:56] [INFO ] Added : 15 causal constraints over 3 iterations in 704 ms. Result :sat
Minimization took 317 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:56] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2025-05-30 13:31:56] [INFO ] [Real]Added 85 Read/Feed constraints in 19 ms returned sat
[2025-05-30 13:31:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:56] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:56] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2025-05-30 13:31:56] [INFO ] [Nat]Added 85 Read/Feed constraints in 22 ms returned sat
[2025-05-30 13:31:56] [INFO ] Computed and/alt/rep : 54/136/54 causal constraints (skipped 165 transitions) in 20 ms.
[2025-05-30 13:31:57] [INFO ] Added : 11 causal constraints over 3 iterations in 99 ms. Result :sat
Minimization took 213 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:57] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:57] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-05-30 13:31:57] [INFO ] [Real]Added 85 Read/Feed constraints in 23 ms returned sat
[2025-05-30 13:31:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:31:57] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:31:57] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2025-05-30 13:31:57] [INFO ] [Nat]Added 85 Read/Feed constraints in 30 ms returned sat
[2025-05-30 13:31:57] [INFO ] Computed and/alt/rep : 54/136/54 causal constraints (skipped 165 transitions) in 17 ms.
[2025-05-30 13:31:57] [INFO ] Added : 12 causal constraints over 3 iterations in 236 ms. Result :sat
Minimization took 222 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[7, 6, 6, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[7, 6, 6, 7]
Support contains 4 out of 139 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 139/139 places, 220/220 transitions.
Applied a total of 0 rules in 26 ms. Remains 139 /139 variables (removed 0) and now considering 220/220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 139/139 places, 220/220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 139/139 places, 220/220 transitions.
Applied a total of 0 rules in 17 ms. Remains 139 /139 variables (removed 0) and now considering 220/220 (removed 0) transitions.
[2025-05-30 13:31:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:31:58] [INFO ] Implicit Places using invariants in 271 ms returned []
[2025-05-30 13:31:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:31:58] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-05-30 13:32:00] [INFO ] Implicit Places using invariants and state equation in 1598 ms returned []
Implicit Place search using SMT with State Equation took 1875 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 13:32:00] [INFO ] Redundant transitions in 15 ms returned []
Running 219 sub problems to find dead transitions.
[2025-05-30 13:32:00] [INFO ] Invariant cache hit.
[2025-05-30 13:32:00] [INFO ] State equation strengthened by 85 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 2 (OVERLAPS) 1/139 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/139 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 4 (OVERLAPS) 220/359 variables, 139/141 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/359 variables, 85/226 constraints. Problems are: Problem set: 0 solved, 219 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/359 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 7 (OVERLAPS) 0/359 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 219 unsolved
No progress, stopping.
After SMT solving in domain Real declared 359/359 variables, and 226 constraints, problems are : Problem set: 0 solved, 219 unsolved in 23758 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 139/139 constraints, ReadFeed: 85/85 constraints, PredecessorRefiner: 219/219 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 219 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/138 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 2 (OVERLAPS) 1/139 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/139 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 4 (OVERLAPS) 220/359 variables, 139/141 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/359 variables, 85/226 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/359 variables, 219/445 constraints. Problems are: Problem set: 0 solved, 219 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 359/359 variables, and 445 constraints, problems are : Problem set: 0 solved, 219 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 139/139 constraints, ReadFeed: 85/85 constraints, PredecessorRefiner: 219/219 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54377ms problems are : Problem set: 0 solved, 219 unsolved
Search for dead transitions found 0 dead transitions in 54392ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56321 ms. Remains : 139/139 places, 220/220 transitions.
RANDOM walk for 40000 steps (9248 resets) in 1311 ms. (30 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3806 resets) in 264 ms. (150 steps per ms) remains 8/8 properties
[2025-05-30 13:32:55] [INFO ] Flatten gal took : 178 ms
BEST_FIRST walk for 40002 steps (3840 resets) in 275 ms. (144 steps per ms) remains 8/8 properties
[2025-05-30 13:32:55] [INFO ] Flatten gal took : 55 ms
[2025-05-30 13:32:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7229412974657620130.gal : 19 ms
[2025-05-30 13:32:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16888855284808697930.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/ReachabilityCardinality7229412974657620130.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16888855284808697930.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (3706 resets) in 310 ms. (128 steps per ms) remains 8/8 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality16888855284808697930.prop.
BEST_FIRST walk for 40001 steps (3845 resets) in 228 ms. (174 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :7 after 30
BEST_FIRST walk for 40003 steps (3768 resets) in 283 ms. (140 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :106 after 182
BEST_FIRST walk for 40002 steps (3682 resets) in 317 ms. (125 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :182 after 294
BEST_FIRST walk for 40002 steps (3760 resets) in 321 ms. (124 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :294 after 500
BEST_FIRST walk for 40003 steps (3787 resets) in 274 ms. (145 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :500 after 2080
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :2080 after 3870
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :3870 after 23898
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :23898 after 46277
Interrupted probabilistic random walk after 486108 steps, run timeout after 3001 ms. (steps per millisecond=161 ) properties seen :4 out of 8
Probabilistic random walk after 486108 steps, saw 193629 distinct states, run finished after 3007 ms. (steps per millisecond=161 ) properties seen :4
[2025-05-30 13:32:59] [INFO ] Invariant cache hit.
[2025-05-30 13:32:59] [INFO ] State equation strengthened by 85 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 79/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 15/98 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 147/245 variables, 98/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
At refinement iteration 7 (OVERLAPS) 107/352 variables, 37/137 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/352 variables, 82/219 constraints. Problems are: Problem set: 3 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/352 variables, 0/219 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/359 variables, 4/223 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/359 variables, 3/226 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:32:59] [INFO ] Deduced a trap composed of 14 places in 126 ms of which 10 ms to minimize.
Problem MAX1 is UNSAT
After SMT solving in domain Real declared 359/359 variables, and 227 constraints, problems are : Problem set: 4 solved, 0 unsolved in 522 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 139/139 constraints, ReadFeed: 85/85 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 532ms problems are : Problem set: 4 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:[0, 0, 0, 0] Max Struct:[7, 6, 6, 7]
Starting property specific reduction for DBSingleClientW-PT-d2m06-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
[2025-05-30 13:32:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2272 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (945 resets) in 20 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 13:32:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:32:59] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:32:59] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2025-05-30 13:32:59] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-05-30 13:32:59] [INFO ] [Real]Added 85 Read/Feed constraints in 24 ms returned sat
[2025-05-30 13:32:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:33:00] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:33:00] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2025-05-30 13:33:00] [INFO ] [Nat]Added 85 Read/Feed constraints in 52 ms returned sat
[2025-05-30 13:33:00] [INFO ] Computed and/alt/rep : 54/136/54 causal constraints (skipped 165 transitions) in 81 ms.
[2025-05-30 13:33:00] [INFO ] Added : 16 causal constraints over 4 iterations in 436 ms. Result :sat
Minimization took 240 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 139 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 139/139 places, 220/220 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 136 transition count 217
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 136 transition count 217
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 9 place count 133 transition count 213
Iterating global reduction 0 with 3 rules applied. Total rules applied 12 place count 133 transition count 213
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 13 place count 133 transition count 212
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 16 place count 130 transition count 198
Iterating global reduction 1 with 3 rules applied. Total rules applied 19 place count 130 transition count 198
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 22 place count 130 transition count 195
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 127 transition count 182
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 127 transition count 182
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 126 transition count 181
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 126 transition count 181
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 31 place count 126 transition count 180
Applied a total of 31 rules in 56 ms. Remains 126 /139 variables (removed 13) and now considering 180/220 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 126/139 places, 180/220 transitions.
// Phase 1: matrix 180 rows 126 cols
[2025-05-30 13:33:01] [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 (229716 resets) in 2166 ms. (461 steps per ms)
BEST_FIRST walk for 1000000 steps (95529 resets) in 857 ms. (1165 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 13:33:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:33:04] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:33:04] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-05-30 13:33:04] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 13:33:04] [INFO ] [Real]Added 58 Read/Feed constraints in 16 ms returned sat
[2025-05-30 13:33:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:33:04] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:33:04] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2025-05-30 13:33:04] [INFO ] [Nat]Added 58 Read/Feed constraints in 30 ms returned sat
[2025-05-30 13:33:04] [INFO ] Computed and/alt/rep : 50/119/50 causal constraints (skipped 129 transitions) in 20 ms.
[2025-05-30 13:33:04] [INFO ] Added : 16 causal constraints over 4 iterations in 102 ms. Result :sat
Minimization took 95 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, 180/180 transitions.
Applied a total of 0 rules in 19 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 126/126 places, 180/180 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 180/180 transitions.
Applied a total of 0 rules in 14 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2025-05-30 13:33:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:33:04] [INFO ] Implicit Places using invariants in 208 ms returned []
[2025-05-30 13:33:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:33:05] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 13:33:05] [INFO ] Implicit Places using invariants and state equation in 738 ms returned []
Implicit Place search using SMT with State Equation took 958 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 13:33:05] [INFO ] Redundant transitions in 11 ms returned []
Running 179 sub problems to find dead transitions.
[2025-05-30 13:33:05] [INFO ] Invariant cache hit.
[2025-05-30 13:33:05] [INFO ] State equation strengthened by 58 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, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 180/306 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:33:14] [INFO ] Deduced a trap composed of 12 places in 135 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:33:23] [INFO ] Deduced a trap composed of 13 places in 174 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:33:24] [INFO ] Deduced a trap composed of 13 places in 165 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:33:24] [INFO ] Deduced a trap composed of 13 places in 172 ms of which 14 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/306 variables, 3/190 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/306 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 10 (OVERLAPS) 0/306 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 190 constraints, problems are : Problem set: 0 solved, 179 unsolved in 29936 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 179 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, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (OVERLAPS) 1/126 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/126 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (OVERLAPS) 180/306 variables, 126/132 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 58/190 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 179/369 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/306 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/306 variables, and 369 constraints, problems are : Problem set: 0 solved, 179 unsolved in 30011 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60110ms problems are : Problem set: 0 solved, 179 unsolved
Search for dead transitions found 0 dead transitions in 60112ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61105 ms. Remains : 126/126 places, 180/180 transitions.
[2025-05-30 13:34:05] [INFO ] Flatten gal took : 59 ms
[2025-05-30 13:34:05] [INFO ] Flatten gal took : 31 ms
[2025-05-30 13:34:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12472724446115094090.gal : 7 ms
[2025-05-30 13:34:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3298098007677836847.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/ReachabilityCardinality12472724446115094090.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3298098007677836847.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (9246 resets) in 385 ms. (103 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality3298098007677836847.prop.
SDD proceeding with computation,2 properties remain. new max is 4
BEST_FIRST walk for 40003 steps (3928 resets) in 167 ms. (238 steps per ms) remains 2/2 properties
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
BEST_FIRST walk for 40002 steps (3841 resets) in 138 ms. (287 steps per ms) remains 2/2 properties
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 294
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 466
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :466 after 1951
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1951 after 3822
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3822 after 20784
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :20784 after 55319
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :55319 after 226201
Interrupted probabilistic random walk after 1667468 steps, run timeout after 3001 ms. (steps per millisecond=555 ) properties seen :1 out of 2
Probabilistic random walk after 1667468 steps, saw 695825 distinct states, run finished after 3001 ms. (steps per millisecond=555 ) properties seen :1
[2025-05-30 13:34:09] [INFO ] Invariant cache hit.
[2025-05-30 13:34:09] [INFO ] State equation strengthened by 58 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) 74/75 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 15/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/221 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 297/306 variables, and 123 constraints, problems are : Problem set: 1 solved, 0 unsolved in 237 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 121/126 constraints, ReadFeed: 0/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 248ms 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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m06-UpperBounds-00 in 69662 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m06-UpperBounds-04
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:[6]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[6]
// Phase 1: matrix 220 rows 139 cols
[2025-05-30 13:34:09] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 10000 steps (2283 resets) in 35 ms. (277 steps per ms)
BEST_FIRST walk for 10000 steps (913 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[6]
[2025-05-30 13:34:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:34:09] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:34:09] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2025-05-30 13:34:09] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-05-30 13:34:09] [INFO ] [Real]Added 85 Read/Feed constraints in 24 ms returned sat
[2025-05-30 13:34:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:34:09] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:34:09] [INFO ] [Nat]Absence check using state equation in 135 ms returned sat
[2025-05-30 13:34:09] [INFO ] [Nat]Added 85 Read/Feed constraints in 33 ms returned sat
[2025-05-30 13:34:09] [INFO ] Computed and/alt/rep : 54/136/54 causal constraints (skipped 165 transitions) in 47 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:34:10] [INFO ] Deduced a trap composed of 14 places in 191 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:34:10] [INFO ] Deduced a trap composed of 17 places in 194 ms of which 9 ms to minimize.
[2025-05-30 13:34:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 520 ms
[2025-05-30 13:34:10] [INFO ] Added : 15 causal constraints over 3 iterations in 816 ms. Result :sat
Minimization took 515 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[6]
Support contains 1 out of 139 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 139/139 places, 220/220 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 136 transition count 217
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 136 transition count 217
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 9 place count 133 transition count 212
Iterating global reduction 0 with 3 rules applied. Total rules applied 12 place count 133 transition count 212
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 133 transition count 210
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 16 place count 131 transition count 201
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 131 transition count 201
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 21 place count 131 transition count 198
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 24 place count 128 transition count 178
Iterating global reduction 2 with 3 rules applied. Total rules applied 27 place count 128 transition count 178
Applied a total of 27 rules in 35 ms. Remains 128 /139 variables (removed 11) and now considering 178/220 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 128/139 places, 178/220 transitions.
// Phase 1: matrix 178 rows 128 cols
[2025-05-30 13:34:11] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 1000000 steps (229459 resets) in 2266 ms. (441 steps per ms)
BEST_FIRST walk for 1000001 steps (95418 resets) in 851 ms. (1173 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[6]
[2025-05-30 13:34:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:34:14] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:34:14] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-05-30 13:34:14] [INFO ] State equation strengthened by 51 read => feed constraints.
[2025-05-30 13:34:14] [INFO ] [Real]Added 51 Read/Feed constraints in 14 ms returned sat
[2025-05-30 13:34:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:34:14] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:34:14] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2025-05-30 13:34:14] [INFO ] [Nat]Added 51 Read/Feed constraints in 13 ms returned sat
[2025-05-30 13:34:14] [INFO ] Computed and/alt/rep : 51/126/51 causal constraints (skipped 126 transitions) in 16 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:34:14] [INFO ] Deduced a trap composed of 12 places in 159 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:34:15] [INFO ] Deduced a trap composed of 12 places in 148 ms of which 8 ms to minimize.
[2025-05-30 13:34:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 374 ms
[2025-05-30 13:34:15] [INFO ] Added : 12 causal constraints over 3 iterations in 498 ms. Result :sat
Minimization took 199 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[6]
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 14 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 21 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 13 ms. Remains 128 /128 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2025-05-30 13:34:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:34:15] [INFO ] Implicit Places using invariants in 147 ms returned []
[2025-05-30 13:34:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:34:15] [INFO ] State equation strengthened by 51 read => feed constraints.
[2025-05-30 13:34:16] [INFO ] Implicit Places using invariants and state equation in 687 ms returned []
Implicit Place search using SMT with State Equation took 840 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 13:34:16] [INFO ] Redundant transitions in 4 ms returned []
Running 177 sub problems to find dead transitions.
[2025-05-30 13:34:16] [INFO ] Invariant cache hit.
[2025-05-30 13:34:16] [INFO ] State equation strengthened by 51 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, 51/181 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/306 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 181 constraints, problems are : Problem set: 0 solved, 177 unsolved in 12919 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 128/128 constraints, ReadFeed: 51/51 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, 51/181 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 177/358 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/358 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 358 constraints, problems are : Problem set: 0 solved, 177 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 128/128 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43159ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 43161ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44035 ms. Remains : 128/128 places, 178/178 transitions.
[2025-05-30 13:34:59] [INFO ] Flatten gal took : 41 ms
[2025-05-30 13:34:59] [INFO ] Flatten gal took : 35 ms
[2025-05-30 13:34:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2089531584655559381.gal : 9 ms
[2025-05-30 13:34:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2229872491626451166.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/ReachabilityCardinality2089531584655559381.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2229872491626451166.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (9169 resets) in 325 ms. (122 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality2229872491626451166.prop.
BEST_FIRST walk for 40003 steps (3912 resets) in 137 ms. (289 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
BEST_FIRST walk for 40003 steps (3863 resets) in 102 ms. (388 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :142 after 218
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :218 after 372
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :372 after 792
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :792 after 2552
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2552 after 9998
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :9998 after 35627
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :35627 after 131036
Interrupted probabilistic random walk after 1541213 steps, run timeout after 3001 ms. (steps per millisecond=513 ) properties seen :1 out of 2
Probabilistic random walk after 1541213 steps, saw 623421 distinct states, run finished after 3001 ms. (steps per millisecond=513 ) properties seen :1
[2025-05-30 13:35:02] [INFO ] Invariant cache hit.
[2025-05-30 13:35:02] [INFO ] State equation strengthened by 51 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) 138/141 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/141 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/217 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/217 variables, 55/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/217 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/232 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/232 variables, 11/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/232 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 74/306 variables, 57/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/306 variables, 42/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:35:02] [INFO ] Deduced a trap composed of 12 places in 97 ms of which 9 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 306/306 variables, and 182 constraints, problems are : Problem set: 1 solved, 0 unsolved in 289 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 128/128 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 296ms 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:[0] Max Struct:[6]
Ending property specific reduction for DBSingleClientW-PT-d2m06-UpperBounds-04 in 53571 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m06-UpperBounds-05
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:[6]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[6]
// Phase 1: matrix 220 rows 139 cols
[2025-05-30 13:35:02] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 10000 steps (2268 resets) in 25 ms. (384 steps per ms)
BEST_FIRST walk for 10001 steps (969 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[6]
[2025-05-30 13:35:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:35:02] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:35:03] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-05-30 13:35:03] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-05-30 13:35:03] [INFO ] [Real]Added 85 Read/Feed constraints in 18 ms returned sat
[2025-05-30 13:35:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:35:03] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:35:03] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2025-05-30 13:35:03] [INFO ] [Nat]Added 85 Read/Feed constraints in 33 ms returned sat
[2025-05-30 13:35:03] [INFO ] Computed and/alt/rep : 54/136/54 causal constraints (skipped 165 transitions) in 30 ms.
[2025-05-30 13:35:03] [INFO ] Added : 11 causal constraints over 3 iterations in 158 ms. Result :sat
Minimization took 351 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[6]
Support contains 1 out of 139 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 139/139 places, 220/220 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 136 transition count 217
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 136 transition count 217
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 9 place count 133 transition count 212
Iterating global reduction 0 with 3 rules applied. Total rules applied 12 place count 133 transition count 212
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 133 transition count 210
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 16 place count 131 transition count 197
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 131 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 130 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 130 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 129 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 129 transition count 195
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 23 place count 129 transition count 194
Applied a total of 23 rules in 32 ms. Remains 129 /139 variables (removed 10) and now considering 194/220 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 129/139 places, 194/220 transitions.
// Phase 1: matrix 194 rows 129 cols
[2025-05-30 13:35:03] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 1000000 steps (229527 resets) in 2385 ms. (419 steps per ms)
BEST_FIRST walk for 1000000 steps (95545 resets) in 949 ms. (1052 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[6]
[2025-05-30 13:35:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:35:07] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:35:07] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2025-05-30 13:35:07] [INFO ] State equation strengthened by 73 read => feed constraints.
[2025-05-30 13:35:07] [INFO ] [Real]Added 73 Read/Feed constraints in 19 ms returned sat
[2025-05-30 13:35:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:35:07] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:35:07] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2025-05-30 13:35:07] [INFO ] [Nat]Added 73 Read/Feed constraints in 26 ms returned sat
[2025-05-30 13:35:07] [INFO ] Computed and/alt/rep : 50/117/50 causal constraints (skipped 143 transitions) in 15 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:35:07] [INFO ] Deduced a trap composed of 11 places in 96 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:35:07] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:35:08] [INFO ] Deduced a trap composed of 11 places in 96 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:35:08] [INFO ] Deduced a trap composed of 14 places in 110 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:35:08] [INFO ] Deduced a trap composed of 12 places in 96 ms of which 8 ms to minimize.
[2025-05-30 13:35:08] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 678 ms
[2025-05-30 13:35:08] [INFO ] Added : 18 causal constraints over 6 iterations in 853 ms. Result :sat
Minimization took 134 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[6]
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 194/194 transitions.
Applied a total of 0 rules in 5 ms. Remains 129 /129 variables (removed 0) and now considering 194/194 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 129/129 places, 194/194 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 194/194 transitions.
Applied a total of 0 rules in 4 ms. Remains 129 /129 variables (removed 0) and now considering 194/194 (removed 0) transitions.
[2025-05-30 13:35:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:35:08] [INFO ] Implicit Places using invariants in 128 ms returned []
[2025-05-30 13:35:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:35:08] [INFO ] State equation strengthened by 73 read => feed constraints.
[2025-05-30 13:35:09] [INFO ] Implicit Places using invariants and state equation in 783 ms returned []
Implicit Place search using SMT with State Equation took 913 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 13:35:09] [INFO ] Redundant transitions in 3 ms returned []
Running 193 sub problems to find dead transitions.
[2025-05-30 13:35:09] [INFO ] Invariant cache hit.
[2025-05-30 13:35:09] [INFO ] State equation strengthened by 73 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 4 (OVERLAPS) 194/323 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/323 variables, 73/204 constraints. Problems are: Problem set: 0 solved, 193 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/323 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 7 (OVERLAPS) 0/323 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 193 unsolved
No progress, stopping.
After SMT solving in domain Real declared 323/323 variables, and 204 constraints, problems are : Problem set: 0 solved, 193 unsolved in 13687 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 193/193 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 193 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 4 (OVERLAPS) 194/323 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/323 variables, 73/204 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/323 variables, 193/397 constraints. Problems are: Problem set: 0 solved, 193 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 323/323 variables, and 397 constraints, problems are : Problem set: 0 solved, 193 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 193/193 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43846ms problems are : Problem set: 0 solved, 193 unsolved
Search for dead transitions found 0 dead transitions in 43847ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44775 ms. Remains : 129/129 places, 194/194 transitions.
[2025-05-30 13:35:53] [INFO ] Flatten gal took : 29 ms
[2025-05-30 13:35:53] [INFO ] Flatten gal took : 26 ms
[2025-05-30 13:35:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13291323478998344580.gal : 7 ms
[2025-05-30 13:35:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality909368057255444433.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/ReachabilityCardinality13291323478998344580.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality909368057255444433.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (9171 resets) in 382 ms. (104 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3840 resets) in 112 ms. (353 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality909368057255444433.prop.
BEST_FIRST walk for 40003 steps (3799 resets) in 101 ms. (392 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 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 294
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 500
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :500 after 2126
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2126 after 4468
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4468 after 16694
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :16694 after 117184
Interrupted probabilistic random walk after 1645823 steps, run timeout after 3001 ms. (steps per millisecond=548 ) properties seen :1 out of 2
Probabilistic random walk after 1645823 steps, saw 682313 distinct states, run finished after 3001 ms. (steps per millisecond=548 ) properties seen :1
[2025-05-30 13:35:56] [INFO ] Invariant cache hit.
[2025-05-30 13:35:56] [INFO ] State equation strengthened by 73 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) 75/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 15/91 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/222 variables, 91/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 314/323 variables, and 126 constraints, problems are : Problem set: 1 solved, 0 unsolved in 180 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 124/129 constraints, ReadFeed: 0/73 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 188ms 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:[0] Max Struct:[6]
Ending property specific reduction for DBSingleClientW-PT-d2m06-UpperBounds-05 in 53936 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m06-UpperBounds-12
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 220 rows 139 cols
[2025-05-30 13:35:56] [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 (2293 resets) in 25 ms. (384 steps per ms)
BEST_FIRST walk for 10001 steps (925 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 13:35:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:35:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:35:57] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2025-05-30 13:35:57] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-05-30 13:35:57] [INFO ] [Real]Added 85 Read/Feed constraints in 22 ms returned sat
[2025-05-30 13:35:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:35:57] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:35:57] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2025-05-30 13:35:57] [INFO ] [Nat]Added 85 Read/Feed constraints in 44 ms returned sat
[2025-05-30 13:35:57] [INFO ] Computed and/alt/rep : 54/136/54 causal constraints (skipped 165 transitions) in 29 ms.
[2025-05-30 13:35:57] [INFO ] Added : 12 causal constraints over 3 iterations in 311 ms. Result :sat
Minimization took 216 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 139 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 139/139 places, 220/220 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 136 transition count 217
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 136 transition count 217
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 9 place count 133 transition count 213
Iterating global reduction 0 with 3 rules applied. Total rules applied 12 place count 133 transition count 213
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 13 place count 133 transition count 212
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 15 place count 131 transition count 206
Iterating global reduction 1 with 2 rules applied. Total rules applied 17 place count 131 transition count 206
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 20 place count 131 transition count 203
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 24 place count 127 transition count 182
Iterating global reduction 2 with 4 rules applied. Total rules applied 28 place count 127 transition count 182
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 126 transition count 181
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 126 transition count 181
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 31 place count 126 transition count 180
Applied a total of 31 rules in 32 ms. Remains 126 /139 variables (removed 13) and now considering 180/220 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 126/139 places, 180/220 transitions.
// Phase 1: matrix 180 rows 126 cols
[2025-05-30 13:35:57] [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 (230237 resets) in 2242 ms. (445 steps per ms)
BEST_FIRST walk for 1000000 steps (95538 resets) in 866 ms. (1153 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 13:36:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:36:01] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:36:01] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2025-05-30 13:36:01] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 13:36:01] [INFO ] [Real]Added 58 Read/Feed constraints in 20 ms returned sat
[2025-05-30 13:36:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 13:36:01] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:36:01] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2025-05-30 13:36:01] [INFO ] [Nat]Added 58 Read/Feed constraints in 23 ms returned sat
[2025-05-30 13:36:01] [INFO ] Computed and/alt/rep : 50/119/50 causal constraints (skipped 129 transitions) in 14 ms.
[2025-05-30 13:36:01] [INFO ] Added : 26 causal constraints over 6 iterations in 152 ms. Result :sat
Minimization took 110 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, 180/180 transitions.
Applied a total of 0 rules in 5 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 126/126 places, 180/180 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 180/180 transitions.
Applied a total of 0 rules in 5 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2025-05-30 13:36:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:36:01] [INFO ] Implicit Places using invariants in 193 ms returned []
[2025-05-30 13:36:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 13:36:02] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 13:36:02] [INFO ] Implicit Places using invariants and state equation in 841 ms returned []
Implicit Place search using SMT with State Equation took 1036 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 13:36:02] [INFO ] Redundant transitions in 2 ms returned []
Running 179 sub problems to find dead transitions.
[2025-05-30 13:36:02] [INFO ] Invariant cache hit.
[2025-05-30 13:36:02] [INFO ] State equation strengthened by 58 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, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 180/306 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:36:10] [INFO ] Deduced a trap composed of 12 places in 146 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:36:10] [INFO ] Deduced a trap composed of 12 places in 164 ms of which 15 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 2/188 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 8 (OVERLAPS) 0/306 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 188 constraints, problems are : Problem set: 0 solved, 179 unsolved in 24668 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 179 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, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (OVERLAPS) 1/126 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/126 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (OVERLAPS) 180/306 variables, 126/130 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 58/188 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 179/367 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 0)
(s28 0)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 1)
(s53 0)
(s54 0)
(s55 0)
(s56 0)
(s57 0)
(s58 1)
(s59 0)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 1)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)
(s72 0)
(s73 0)
(s74 0)
(s75 0)
(s76 0)
(s77 0)
(s78 0)
(s79 0)
(s80 0)
(s81 0)
(s82 0)
(s83 0)
(s84 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/306 variables, and 367 constraints, problems are : Problem set: 0 solved, 179 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54787ms problems are : Problem set: 0 solved, 179 unsolved
Search for dead transitions found 0 dead transitions in 54788ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55836 ms. Remains : 126/126 places, 180/180 transitions.
[2025-05-30 13:36:57] [INFO ] Flatten gal took : 41 ms
RANDOM walk for 40000 steps (9152 resets) in 241 ms. (165 steps per ms) remains 2/2 properties
[2025-05-30 13:36:57] [INFO ] Flatten gal took : 19 ms
[2025-05-30 13:36:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7524162261665474123.gal : 5 ms
[2025-05-30 13:36:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18183785928785178419.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/ReachabilityCardinality7524162261665474123.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18183785928785178419.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/ReachabilityCardinality18183785928785178419.prop.
BEST_FIRST walk for 40002 steps (3852 resets) in 184 ms. (216 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
BEST_FIRST walk for 40002 steps (3754 resets) in 133 ms. (298 steps per ms) remains 2/2 properties
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 294
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 466
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :466 after 1951
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1951 after 3816
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3816 after 20550
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :20550 after 52169
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :52169 after 227381
Interrupted probabilistic random walk after 1747492 steps, run timeout after 3001 ms. (steps per millisecond=582 ) properties seen :1 out of 2
Probabilistic random walk after 1747492 steps, saw 725957 distinct states, run finished after 3001 ms. (steps per millisecond=582 ) properties seen :1
[2025-05-30 13:37:00] [INFO ] Invariant cache hit.
[2025-05-30 13:37:00] [INFO ] State equation strengthened by 58 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) 74/75 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 15/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/221 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 297/306 variables, and 123 constraints, problems are : Problem set: 1 solved, 0 unsolved in 226 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 121/126 constraints, ReadFeed: 0/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 246ms 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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m06-UpperBounds-12 in 64199 ms.
[2025-05-30 13:37:01] [INFO ] Flatten gal took : 17 ms
[2025-05-30 13:37:01] [INFO ] Applying decomposition
[2025-05-30 13:37:01] [INFO ] Flatten gal took : 16 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/graph16053624588610694077.txt' '-o' '/tmp/graph16053624588610694077.bin' '-w' '/tmp/graph16053624588610694077.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16053624588610694077.bin' '-l' '-1' '-v' '-w' '/tmp/graph16053624588610694077.weights' '-q' '0' '-e' '0.001'
[2025-05-30 13:37:01] [INFO ] Decomposing Gal with order
[2025-05-30 13:37:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 13:37:01] [INFO ] Removed a total of 264 redundant transitions.
[2025-05-30 13:37:01] [INFO ] Flatten gal took : 96 ms
[2025-05-30 13:37:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 155 labels/synchronizations in 24 ms.
[2025-05-30 13:37:01] [INFO ] Time to serialize gal into /tmp/UpperBounds12648477001740407340.gal : 9 ms
[2025-05-30 13:37:01] [INFO ] Time to serialize properties into /tmp/UpperBounds13592079316975403849.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/UpperBounds12648477001740407340.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13592079316975403849.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 ...285
Loading property file /tmp/UpperBounds13592079316975403849.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,3.31319e+06,4.00601,96432,2574,1390,97761,23513,635,433729,194,272482,0
Total reachable state count : 3313194
Verifying 4 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m06-UpperBounds-00 :0 <= i4.u10.p230 <= 1
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-00 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-d2m06-UpperBounds-00,0,4.21036,96432,1,0,97761,23513,789,433729,229,272482,1470
Min sum of variable value : 0
Maximum sum along a path : 3
Bounds property DBSingleClientW-PT-d2m06-UpperBounds-04 :0 <= i7.u24.l4143 <= 3
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-04 3 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-d2m06-UpperBounds-04,0,4.29517,96432,1,0,97761,23513,812,433729,236,272482,1970
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m06-UpperBounds-05 :0 <= i5.u14.l2256 <= 1
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-05 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-d2m06-UpperBounds-05,0,4.30072,96432,1,0,97761,23513,840,433729,238,272482,2160
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m06-UpperBounds-12 :0 <= i4.u10.p156 <= 1
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-12 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-d2m06-UpperBounds-12,0,4.32509,96432,1,0,97761,23513,860,433729,250,272482,2303
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 382339 ms.
BK_STOP 1748612225915
--------------------
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-d2m06"
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 DBSingleClientW-PT-d2m06, 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 r058-smll-174854063600133"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m06.tgz
mv DBSingleClientW-PT-d2m06 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;