MCC'2025- Execution of r114-tall-174876422400269

About the Execution of ITS-Tools for HypercubeGrid-PT-C4K3P3B12

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
0.000	3600000.00	0.00	0.00	? ? 1 1 1 1 ? ? ? ? 36 ? 1 1 1 36	normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876422400269.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 HypercubeGrid-PT-C4K3P3B12, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876422400269
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.0K 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 3.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.4K 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 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rwxr-xr-x 1 mcc users 3.0M 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 HypercubeGrid-PT-C4K3P3B12-UpperBounds-00
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-01
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-02
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-03
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-04
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-05
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-06
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-07
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-08
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-09
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-10
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-11
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-12
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-13
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-14
FORMULA_NAME HypercubeGrid-PT-C4K3P3B12-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748818543452

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HypercubeGrid-PT-C4K3P3B12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 22:55:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 22:55:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 22:55:45] [INFO ] Load time of PNML (sax parser for PT used): 274 ms
[2025-06-01 22:55:45] [INFO ] Transformed 2457 places.
[2025-06-01 22:55:45] [INFO ] Transformed 5400 transitions.
[2025-06-01 22:55:45] [INFO ] Parsed PT model containing 2457 places and 5400 transitions and 21600 arcs in 451 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Current structural bounds on expressions (Initially) : Max Seen:[3, 3, 0, 0, 0, 1, 3, 3, 3, 3, 3, 3, 1, 1, 1, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[3, 3, 0, 0, 0, 1, 3, 3, 3, 3, 3, 3, 1, 1, 1, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 5400 rows 2457 cols
[2025-06-01 22:55:45] [INFO ] Computed 946 invariants in 316 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 3, 0, 0, 0, 1, 3, 3, 3, 3, 3, 3, 1, 1, 1, 3] Max Struct:[36, 36, 1, 1, 1, 1, 36, 36, 36, 36, 36, 36, 1, 1, 1, 36]
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 2132 ms. (4 steps per ms)
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90009 steps (18 resets) in 1946 ms. (46 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 4, 5, 7, 7, 4, 4, 5, 5] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 22:55:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:55:50] [INFO ] [Real]Absence check using 945 positive place invariants in 208 ms returned sat
[2025-06-01 22:55:50] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 22:55:52] [INFO ] [Real]Absence check using state equation in 1725 ms returned sat
[2025-06-01 22:55:53] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 321 ms.
[2025-06-01 22:55:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:55:55] [INFO ] [Nat]Absence check using 945 positive place invariants in 195 ms returned sat
[2025-06-01 22:55:55] [INFO ] [Nat]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 22:55:57] [INFO ] [Nat]Absence check using state equation in 1638 ms returned sat
[2025-06-01 22:55:57] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 277 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:00] [INFO ] [Real]Absence check using 945 positive place invariants in 202 ms returned sat
[2025-06-01 22:56:00] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 86 ms returned sat
[2025-06-01 22:56:02] [INFO ] [Real]Absence check using state equation in 1778 ms returned sat
[2025-06-01 22:56:03] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 323 ms.
[2025-06-01 22:56:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:05] [INFO ] [Nat]Absence check using 945 positive place invariants in 187 ms returned sat
[2025-06-01 22:56:05] [INFO ] [Nat]Absence check using 945 positive and 1 generalized place invariants in 76 ms returned sat
[2025-06-01 22:56:07] [INFO ] [Nat]Absence check using state equation in 1818 ms returned sat
[2025-06-01 22:56:08] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 333 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:10] [INFO ] [Real]Absence check using 945 positive place invariants in 207 ms returned sat
[2025-06-01 22:56:10] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 22:56:12] [INFO ] [Real]Absence check using state equation in 1704 ms returned sat
[2025-06-01 22:56:13] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 252 ms.
[2025-06-01 22:56:15] [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.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:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:15] [INFO ] [Real]Absence check using 945 positive place invariants in 184 ms returned sat
[2025-06-01 22:56:15] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 22:56:17] [INFO ] [Real]Absence check using state equation in 1607 ms returned sat
[2025-06-01 22:56:17] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 257 ms.
[2025-06-01 22:56:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:20] [INFO ] [Nat]Absence check using 945 positive place invariants in 190 ms returned sat
[2025-06-01 22:56:20] [INFO ] [Nat]Absence check using 945 positive and 1 generalized place invariants in 78 ms returned sat
[2025-06-01 22:56:22] [INFO ] [Nat]Absence check using state equation in 1660 ms returned sat
[2025-06-01 22:56:23] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 256 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:25] [INFO ] [Real]Absence check using 945 positive place invariants in 196 ms returned sat
[2025-06-01 22:56:25] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 84 ms returned sat
[2025-06-01 22:56:27] [INFO ] [Real]Absence check using state equation in 1685 ms returned sat
[2025-06-01 22:56:28] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 271 ms.
[2025-06-01 22:56:30] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.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:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:30] [INFO ] [Real]Absence check using 945 positive place invariants in 190 ms returned sat
[2025-06-01 22:56:30] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 22:56:32] [INFO ] [Real]Absence check using state equation in 1619 ms returned sat
[2025-06-01 22:56:33] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 248 ms.
[2025-06-01 22:56:35] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.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:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:35] [INFO ] [Real]Absence check using 945 positive place invariants in 182 ms returned sat
[2025-06-01 22:56:35] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 78 ms returned sat
[2025-06-01 22:56:37] [INFO ] [Real]Absence check using state equation in 1544 ms returned sat
[2025-06-01 22:56:38] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 284 ms.
[2025-06-01 22:56:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:40] [INFO ] [Nat]Absence check using 945 positive place invariants in 184 ms returned sat
[2025-06-01 22:56:40] [INFO ] [Nat]Absence check using 945 positive and 1 generalized place invariants in 76 ms returned sat
[2025-06-01 22:56:42] [INFO ] [Nat]Absence check using state equation in 1624 ms returned sat
[2025-06-01 22:56:43] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 285 ms.
[2025-06-01 22:56:45] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.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
[2025-06-01 22:56:46] [INFO ] [Real]Absence check using 945 positive place invariants in 187 ms returned sat
[2025-06-01 22:56:46] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 76 ms returned sat
[2025-06-01 22:56:47] [INFO ] [Real]Absence check using state equation in 1697 ms returned sat
[2025-06-01 22:56:48] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 266 ms.
[2025-06-01 22:56:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:51] [INFO ] [Nat]Absence check using 945 positive place invariants in 193 ms returned sat
[2025-06-01 22:56:51] [INFO ] [Nat]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 22:56:52] [INFO ] [Nat]Absence check using state equation in 1662 ms returned sat
[2025-06-01 22:56:53] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 259 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:56:56] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 22:56:56] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 81 ms returned sat
[2025-06-01 22:56:57] [INFO ] [Real]Absence check using state equation in 1621 ms returned sat
[2025-06-01 22:56:58] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 274 ms.
[2025-06-01 22:57:00] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 8
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[5, 4, 5, 7, 7, 4, 4, 5, 5] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 4, 5, 7, 7, 4, 4, 5, 5] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Support contains 9 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 354 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 364 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 22:57:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5, 4, 5, 7, 7, 4, 4, 5, 5] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 218745 steps (1 resets) in 30001 ms. (7 steps per ms)
BEST_FIRST walk for 2280104 steps (0 resets) in 45108 ms. (50 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 12, 15, 10, 14, 6, 14, 7, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 22:58:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:16] [INFO ] [Real]Absence check using 945 positive place invariants in 181 ms returned sat
[2025-06-01 22:58:16] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 22:58:18] [INFO ] [Real]Absence check using state equation in 1575 ms returned sat
[2025-06-01 22:58:18] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 259 ms.
[2025-06-01 22:58:38] [INFO ] Added : 475 causal constraints over 95 iterations in 20020 ms.(timeout) Result :sat
Minimization took 4564 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:43] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 22:58:43] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 22:58:45] [INFO ] [Real]Absence check using state equation in 1597 ms returned sat
[2025-06-01 22:58:45] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 253 ms.
[2025-06-01 22:59:05] [INFO ] Added : 445 causal constraints over 89 iterations in 20136 ms.(timeout) Result :sat
Minimization took 4788 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:11] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 22:59:11] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 22:59:12] [INFO ] [Real]Absence check using state equation in 1664 ms returned sat
[2025-06-01 22:59:13] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 330 ms.
[2025-06-01 22:59:33] [INFO ] Added : 450 causal constraints over 90 iterations in 20046 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:38] [INFO ] [Real]Absence check using 945 positive place invariants in 191 ms returned sat
[2025-06-01 22:59:38] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 78 ms returned sat
[2025-06-01 22:59:40] [INFO ] [Real]Absence check using state equation in 1580 ms returned sat
[2025-06-01 22:59:40] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 250 ms.
[2025-06-01 23:00:00] [INFO ] Added : 475 causal constraints over 95 iterations in 20276 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:00:05] [INFO ] [Real]Absence check using 945 positive place invariants in 178 ms returned sat
[2025-06-01 23:00:05] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 85 ms returned sat
[2025-06-01 23:00:07] [INFO ] [Real]Absence check using state equation in 1558 ms returned sat
[2025-06-01 23:00:07] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 266 ms.
[2025-06-01 23:00:27] [INFO ] Added : 480 causal constraints over 96 iterations in 20175 ms.(timeout) Result :sat
Minimization took 4560 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:00:33] [INFO ] [Real]Absence check using 945 positive place invariants in 197 ms returned sat
[2025-06-01 23:00:33] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 83 ms returned sat
[2025-06-01 23:00:34] [INFO ] [Real]Absence check using state equation in 1616 ms returned sat
[2025-06-01 23:00:35] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 259 ms.
[2025-06-01 23:00:55] [INFO ] Added : 475 causal constraints over 95 iterations in 20216 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:01:00] [INFO ] [Real]Absence check using 945 positive place invariants in 178 ms returned sat
[2025-06-01 23:01:00] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 75 ms returned sat
[2025-06-01 23:01:01] [INFO ] [Real]Absence check using state equation in 1565 ms returned sat
[2025-06-01 23:01:02] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 279 ms.
[2025-06-01 23:01:22] [INFO ] Added : 470 causal constraints over 94 iterations in 20073 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:01:27] [INFO ] [Real]Absence check using 945 positive place invariants in 190 ms returned sat
[2025-06-01 23:01:27] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:01:29] [INFO ] [Real]Absence check using state equation in 1620 ms returned sat
[2025-06-01 23:01:29] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 270 ms.
[2025-06-01 23:01:49] [INFO ] Added : 465 causal constraints over 93 iterations in 20035 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:01:54] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 23:01:54] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 23:01:56] [INFO ] [Real]Absence check using state equation in 1669 ms returned sat
[2025-06-01 23:01:56] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 243 ms.
[2025-06-01 23:02:16] [INFO ] Added : 470 causal constraints over 94 iterations in 20157 ms.(timeout) Result :sat
Minimization took 4557 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 12, 15, 10, 14, 6, 14, 7, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 12, 15, 10, 14, 6, 14, 7, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Support contains 9 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 145 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 2457/2457 places, 5400/5400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 201 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
[2025-06-01 23:02:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:02:23] [INFO ] Implicit Places using invariants in 1984 ms returned []
[2025-06-01 23:02:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:02:29] [INFO ] Implicit Places using invariants and state equation in 5540 ms returned []
Implicit Place search using SMT with State Equation took 7526 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:02:29] [INFO ] Redundant transitions in 459 ms returned []
Running 4752 sub problems to find dead transitions.
[2025-06-01 23:02:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s648 1.0)
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(s2233 1.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30110 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 4752/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4752 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30068 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 0/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64328ms problems are : Problem set: 0 solved, 4752 unsolved
Search for dead transitions found 0 dead transitions in 64363ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72588 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:03:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 12, 15, 10, 14, 6, 14, 7, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 231934 steps (2 resets) in 30001 ms. (7 steps per ms)
BEST_FIRST walk for 2288699 steps (0 resets) in 45117 ms. (50 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22, 15, 16, 10, 22, 9, 14, 8, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:04:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:04:49] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 23:04:49] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:04:51] [INFO ] [Real]Absence check using state equation in 1629 ms returned sat
[2025-06-01 23:04:51] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 244 ms.
[2025-06-01 23:05:11] [INFO ] Added : 475 causal constraints over 95 iterations in 20099 ms.(timeout) Result :sat
Minimization took 4604 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:05:17] [INFO ] [Real]Absence check using 945 positive place invariants in 176 ms returned sat
[2025-06-01 23:05:17] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:05:18] [INFO ] [Real]Absence check using state equation in 1539 ms returned sat
[2025-06-01 23:05:19] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 257 ms.
[2025-06-01 23:05:39] [INFO ] Added : 475 causal constraints over 95 iterations in 20270 ms.(timeout) Result :sat
Minimization took 4560 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:05:44] [INFO ] [Real]Absence check using 945 positive place invariants in 187 ms returned sat
[2025-06-01 23:05:44] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 23:05:46] [INFO ] [Real]Absence check using state equation in 1668 ms returned sat
[2025-06-01 23:05:46] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 266 ms.
[2025-06-01 23:06:06] [INFO ] Added : 465 causal constraints over 93 iterations in 20054 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:06:11] [INFO ] [Real]Absence check using 945 positive place invariants in 174 ms returned sat
[2025-06-01 23:06:11] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 84 ms returned sat
[2025-06-01 23:06:13] [INFO ] [Real]Absence check using state equation in 1538 ms returned sat
[2025-06-01 23:06:13] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 265 ms.
[2025-06-01 23:06:33] [INFO ] Added : 475 causal constraints over 95 iterations in 20138 ms.(timeout) Result :sat
Minimization took 4562 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:06:38] [INFO ] [Real]Absence check using 945 positive place invariants in 182 ms returned sat
[2025-06-01 23:06:38] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 84 ms returned sat
[2025-06-01 23:06:40] [INFO ] [Real]Absence check using state equation in 1521 ms returned sat
[2025-06-01 23:06:40] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 230 ms.
[2025-06-01 23:07:00] [INFO ] Added : 485 causal constraints over 97 iterations in 20357 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:07:06] [INFO ] [Real]Absence check using 945 positive place invariants in 182 ms returned sat
[2025-06-01 23:07:06] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 78 ms returned sat
[2025-06-01 23:07:07] [INFO ] [Real]Absence check using state equation in 1609 ms returned sat
[2025-06-01 23:07:08] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 255 ms.
[2025-06-01 23:07:28] [INFO ] Added : 480 causal constraints over 96 iterations in 20092 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:07:33] [INFO ] [Real]Absence check using 945 positive place invariants in 179 ms returned sat
[2025-06-01 23:07:33] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 23:07:34] [INFO ] [Real]Absence check using state equation in 1555 ms returned sat
[2025-06-01 23:07:35] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 271 ms.
[2025-06-01 23:07:55] [INFO ] Added : 475 causal constraints over 95 iterations in 20318 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:08:00] [INFO ] [Real]Absence check using 945 positive place invariants in 181 ms returned sat
[2025-06-01 23:08:00] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 75 ms returned sat
[2025-06-01 23:08:02] [INFO ] [Real]Absence check using state equation in 1534 ms returned sat
[2025-06-01 23:08:02] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 260 ms.
[2025-06-01 23:08:22] [INFO ] Added : 480 causal constraints over 96 iterations in 20305 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:08:27] [INFO ] [Real]Absence check using 945 positive place invariants in 197 ms returned sat
[2025-06-01 23:08:28] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:08:29] [INFO ] [Real]Absence check using state equation in 1647 ms returned sat
[2025-06-01 23:08:30] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 266 ms.
[2025-06-01 23:08:49] [INFO ] Added : 475 causal constraints over 95 iterations in 20085 ms.(timeout) Result :sat
Minimization took 4559 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22, 15, 16, 10, 22, 9, 14, 8, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22, 15, 16, 10, 22, 9, 14, 8, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Support contains 9 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 129 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 2457/2457 places, 5400/5400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 148 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
[2025-06-01 23:08:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:08:57] [INFO ] Implicit Places using invariants in 2052 ms returned []
[2025-06-01 23:08:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:09:03] [INFO ] Implicit Places using invariants and state equation in 6114 ms returned []
Implicit Place search using SMT with State Equation took 8168 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:09:03] [INFO ] Redundant transitions in 478 ms returned []
Running 4752 sub problems to find dead transitions.
[2025-06-01 23:09:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30068 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 4752/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4752 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 0/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63692ms problems are : Problem set: 0 solved, 4752 unsolved
Search for dead transitions found 0 dead transitions in 63704ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72521 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:10:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[22, 15, 16, 10, 22, 9, 14, 8, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 232486 steps (2 resets) in 30001 ms. (7 steps per ms)
BEST_FIRST walk for 2304746 steps (0 resets) in 45091 ms. (51 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22, 15, 16, 12, 22, 9, 14, 8, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:11:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:11:22] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 23:11:23] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 76 ms returned sat
[2025-06-01 23:11:24] [INFO ] [Real]Absence check using state equation in 1598 ms returned sat
[2025-06-01 23:11:25] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 235 ms.
[2025-06-01 23:11:45] [INFO ] Added : 485 causal constraints over 97 iterations in 20332 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:11:50] [INFO ] [Real]Absence check using 945 positive place invariants in 177 ms returned sat
[2025-06-01 23:11:50] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 23:11:51] [INFO ] [Real]Absence check using state equation in 1552 ms returned sat
[2025-06-01 23:11:52] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 260 ms.
[2025-06-01 23:12:12] [INFO ] Added : 475 causal constraints over 95 iterations in 20061 ms.(timeout) Result :sat
Minimization took 4560 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:12:17] [INFO ] [Real]Absence check using 945 positive place invariants in 182 ms returned sat
[2025-06-01 23:12:17] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 75 ms returned sat
[2025-06-01 23:12:19] [INFO ] [Real]Absence check using state equation in 1617 ms returned sat
[2025-06-01 23:12:19] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 272 ms.
[2025-06-01 23:12:39] [INFO ] Added : 470 causal constraints over 94 iterations in 20331 ms.(timeout) Result :sat
Minimization took 4561 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:12:44] [INFO ] [Real]Absence check using 945 positive place invariants in 181 ms returned sat
[2025-06-01 23:12:44] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 85 ms returned sat
[2025-06-01 23:12:46] [INFO ] [Real]Absence check using state equation in 1616 ms returned sat
[2025-06-01 23:12:47] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 246 ms.
[2025-06-01 23:13:07] [INFO ] Added : 480 causal constraints over 96 iterations in 20371 ms.(timeout) Result :sat
Minimization took 4504 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:13:12] [INFO ] [Real]Absence check using 945 positive place invariants in 192 ms returned sat
[2025-06-01 23:13:12] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 81 ms returned sat
[2025-06-01 23:13:13] [INFO ] [Real]Absence check using state equation in 1542 ms returned sat
[2025-06-01 23:13:14] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 256 ms.
[2025-06-01 23:13:34] [INFO ] Added : 480 causal constraints over 96 iterations in 20265 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:13:39] [INFO ] [Real]Absence check using 945 positive place invariants in 180 ms returned sat
[2025-06-01 23:13:39] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 23:13:41] [INFO ] [Real]Absence check using state equation in 1620 ms returned sat
[2025-06-01 23:13:41] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 301 ms.
[2025-06-01 23:14:01] [INFO ] Added : 470 causal constraints over 94 iterations in 20067 ms.(timeout) Result :sat
Minimization took 4781 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:14:07] [INFO ] [Real]Absence check using 945 positive place invariants in 181 ms returned sat
[2025-06-01 23:14:07] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:14:08] [INFO ] [Real]Absence check using state equation in 1614 ms returned sat
[2025-06-01 23:14:09] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 236 ms.
[2025-06-01 23:14:29] [INFO ] Added : 485 causal constraints over 97 iterations in 20357 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:14:34] [INFO ] [Real]Absence check using 945 positive place invariants in 172 ms returned sat
[2025-06-01 23:14:34] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 23:14:36] [INFO ] [Real]Absence check using state equation in 1567 ms returned sat
[2025-06-01 23:14:36] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 244 ms.
[2025-06-01 23:14:56] [INFO ] Added : 475 causal constraints over 95 iterations in 20214 ms.(timeout) Result :sat
Minimization took 4501 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:15:01] [INFO ] [Real]Absence check using 945 positive place invariants in 177 ms returned sat
[2025-06-01 23:15:01] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 23:15:03] [INFO ] [Real]Absence check using state equation in 1552 ms returned sat
[2025-06-01 23:15:03] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 268 ms.
[2025-06-01 23:15:23] [INFO ] Added : 475 causal constraints over 95 iterations in 20287 ms.(timeout) Result :sat
Minimization took 4562 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22, 15, 16, 12, 22, 9, 14, 8, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22, 15, 16, 12, 22, 9, 14, 8, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Support contains 9 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 106 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 2457/2457 places, 5400/5400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 79 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
[2025-06-01 23:15:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:15:30] [INFO ] Implicit Places using invariants in 2161 ms returned []
[2025-06-01 23:15:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:15:36] [INFO ] Implicit Places using invariants and state equation in 5915 ms returned []
Implicit Place search using SMT with State Equation took 8078 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:15:37] [INFO ] Redundant transitions in 323 ms returned []
Running 4752 sub problems to find dead transitions.
[2025-06-01 23:15:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 4752/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4752 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30066 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 0/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63698ms problems are : Problem set: 0 solved, 4752 unsolved
Search for dead transitions found 0 dead transitions in 63706ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72202 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:16:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[22, 15, 16, 12, 22, 9, 14, 8, 16] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 241910 steps (2 resets) in 30001 ms. (8 steps per ms)
BEST_FIRST walk for 2303112 steps (0 resets) in 45059 ms. (51 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22, 15, 19, 13, 22, 11, 14, 8, 18] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:17:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:17:56] [INFO ] [Real]Absence check using 945 positive place invariants in 179 ms returned sat
[2025-06-01 23:17:56] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:17:57] [INFO ] [Real]Absence check using state equation in 1543 ms returned sat
[2025-06-01 23:17:58] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 269 ms.
[2025-06-01 23:18:18] [INFO ] Added : 475 causal constraints over 95 iterations in 20107 ms.(timeout) Result :sat
Minimization took 4708 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:18:23] [INFO ] [Real]Absence check using 945 positive place invariants in 188 ms returned sat
[2025-06-01 23:18:23] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:18:25] [INFO ] [Real]Absence check using state equation in 1617 ms returned sat
[2025-06-01 23:18:25] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 272 ms.
[2025-06-01 23:18:45] [INFO ] Added : 475 causal constraints over 95 iterations in 20309 ms.(timeout) Result :sat
Minimization took 4596 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:18:51] [INFO ] [Real]Absence check using 945 positive place invariants in 195 ms returned sat
[2025-06-01 23:18:51] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:18:52] [INFO ] [Real]Absence check using state equation in 1661 ms returned sat
[2025-06-01 23:18:53] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 263 ms.
[2025-06-01 23:19:13] [INFO ] Added : 480 causal constraints over 96 iterations in 20186 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:19:18] [INFO ] [Real]Absence check using 945 positive place invariants in 184 ms returned sat
[2025-06-01 23:19:18] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 23:19:20] [INFO ] [Real]Absence check using state equation in 1658 ms returned sat
[2025-06-01 23:19:20] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 243 ms.
[2025-06-01 23:19:40] [INFO ] Added : 475 causal constraints over 95 iterations in 20066 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:19:45] [INFO ] [Real]Absence check using 945 positive place invariants in 187 ms returned sat
[2025-06-01 23:19:45] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 88 ms returned sat
[2025-06-01 23:19:47] [INFO ] [Real]Absence check using state equation in 1536 ms returned sat
[2025-06-01 23:19:47] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 260 ms.
[2025-06-01 23:20:07] [INFO ] Added : 485 causal constraints over 97 iterations in 20175 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:20:12] [INFO ] [Real]Absence check using 945 positive place invariants in 181 ms returned sat
[2025-06-01 23:20:12] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 23:20:14] [INFO ] [Real]Absence check using state equation in 1618 ms returned sat
[2025-06-01 23:20:15] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 268 ms.
[2025-06-01 23:20:35] [INFO ] Added : 475 causal constraints over 95 iterations in 20243 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:20:40] [INFO ] [Real]Absence check using 945 positive place invariants in 177 ms returned sat
[2025-06-01 23:20:40] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 74 ms returned sat
[2025-06-01 23:20:41] [INFO ] [Real]Absence check using state equation in 1589 ms returned sat
[2025-06-01 23:20:42] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 263 ms.
[2025-06-01 23:21:02] [INFO ] Added : 485 causal constraints over 97 iterations in 20111 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:21:07] [INFO ] [Real]Absence check using 945 positive place invariants in 189 ms returned sat
[2025-06-01 23:21:07] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 81 ms returned sat
[2025-06-01 23:21:09] [INFO ] [Real]Absence check using state equation in 1647 ms returned sat
[2025-06-01 23:21:09] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 276 ms.
[2025-06-01 23:21:29] [INFO ] Added : 475 causal constraints over 95 iterations in 20195 ms.(timeout) Result :sat
Minimization took 4559 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:21:34] [INFO ] [Real]Absence check using 945 positive place invariants in 187 ms returned sat
[2025-06-01 23:21:34] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 81 ms returned sat
[2025-06-01 23:21:36] [INFO ] [Real]Absence check using state equation in 1658 ms returned sat
[2025-06-01 23:21:36] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 265 ms.
[2025-06-01 23:21:56] [INFO ] Added : 475 causal constraints over 95 iterations in 20280 ms.(timeout) Result :sat
Minimization took 4556 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22, 15, 19, 13, 22, 11, 14, 8, 18] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22, 15, 19, 13, 22, 11, 14, 8, 18] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Support contains 9 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 94 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 2457/2457 places, 5400/5400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 75 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
[2025-06-01 23:22:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:22:03] [INFO ] Implicit Places using invariants in 1945 ms returned []
[2025-06-01 23:22:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:22:09] [INFO ] Implicit Places using invariants and state equation in 5671 ms returned []
Implicit Place search using SMT with State Equation took 7618 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:22:09] [INFO ] Redundant transitions in 334 ms returned []
Running 4752 sub problems to find dead transitions.
[2025-06-01 23:22:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 4752/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4752 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 0/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64021ms problems are : Problem set: 0 solved, 4752 unsolved
Search for dead transitions found 0 dead transitions in 64029ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72074 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:23:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[22, 15, 19, 13, 22, 11, 14, 8, 18] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 239813 steps (2 resets) in 30001 ms. (7 steps per ms)
BEST_FIRST walk for 2299182 steps (0 resets) in 45100 ms. (50 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22, 16, 19, 18, 22, 12, 21, 8, 30] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:24:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:24:29] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 23:24:29] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 84 ms returned sat
[2025-06-01 23:24:31] [INFO ] [Real]Absence check using state equation in 1595 ms returned sat
[2025-06-01 23:24:31] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 263 ms.
[2025-06-01 23:24:51] [INFO ] Added : 485 causal constraints over 97 iterations in 20324 ms.(timeout) Result :sat
Minimization took 4559 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:24:56] [INFO ] [Real]Absence check using 945 positive place invariants in 176 ms returned sat
[2025-06-01 23:24:56] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:24:58] [INFO ] [Real]Absence check using state equation in 1550 ms returned sat
[2025-06-01 23:24:58] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 239 ms.
[2025-06-01 23:25:18] [INFO ] Added : 465 causal constraints over 93 iterations in 20008 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:25:23] [INFO ] [Real]Absence check using 945 positive place invariants in 180 ms returned sat
[2025-06-01 23:25:23] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 78 ms returned sat
[2025-06-01 23:25:25] [INFO ] [Real]Absence check using state equation in 1603 ms returned sat
[2025-06-01 23:25:25] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 251 ms.
[2025-06-01 23:25:45] [INFO ] Added : 470 causal constraints over 94 iterations in 20186 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:25:51] [INFO ] [Real]Absence check using 945 positive place invariants in 193 ms returned sat
[2025-06-01 23:25:51] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 81 ms returned sat
[2025-06-01 23:25:52] [INFO ] [Real]Absence check using state equation in 1648 ms returned sat
[2025-06-01 23:25:53] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 264 ms.
[2025-06-01 23:26:13] [INFO ] Added : 475 causal constraints over 95 iterations in 20220 ms.(timeout) Result :sat
Minimization took 4560 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:26:18] [INFO ] [Real]Absence check using 945 positive place invariants in 184 ms returned sat
[2025-06-01 23:26:18] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:26:20] [INFO ] [Real]Absence check using state equation in 1603 ms returned sat
[2025-06-01 23:26:20] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 248 ms.
[2025-06-01 23:26:40] [INFO ] Added : 480 causal constraints over 96 iterations in 20180 ms.(timeout) Result :sat
Minimization took 4502 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:26:45] [INFO ] [Real]Absence check using 945 positive place invariants in 188 ms returned sat
[2025-06-01 23:26:45] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 84 ms returned sat
[2025-06-01 23:26:47] [INFO ] [Real]Absence check using state equation in 1593 ms returned sat
[2025-06-01 23:26:47] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 259 ms.
[2025-06-01 23:27:07] [INFO ] Added : 480 causal constraints over 96 iterations in 20092 ms.(timeout) Result :sat
Minimization took 4559 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:27:12] [INFO ] [Real]Absence check using 945 positive place invariants in 180 ms returned sat
[2025-06-01 23:27:12] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 23:27:14] [INFO ] [Real]Absence check using state equation in 1610 ms returned sat
[2025-06-01 23:27:15] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 259 ms.
[2025-06-01 23:27:34] [INFO ] Added : 475 causal constraints over 95 iterations in 20093 ms.(timeout) Result :sat
Minimization took 4502 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:27:40] [INFO ] [Real]Absence check using 945 positive place invariants in 183 ms returned sat
[2025-06-01 23:27:40] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 76 ms returned sat
[2025-06-01 23:27:41] [INFO ] [Real]Absence check using state equation in 1548 ms returned sat
[2025-06-01 23:27:42] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 299 ms.
[2025-06-01 23:28:02] [INFO ] Added : 465 causal constraints over 93 iterations in 20147 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:28:07] [INFO ] [Real]Absence check using 945 positive place invariants in 176 ms returned sat
[2025-06-01 23:28:07] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:28:08] [INFO ] [Real]Absence check using state equation in 1544 ms returned sat
[2025-06-01 23:28:09] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 235 ms.
[2025-06-01 23:28:29] [INFO ] Added : 485 causal constraints over 97 iterations in 20250 ms.(timeout) Result :sat
Minimization took 4561 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22, 16, 19, 18, 22, 12, 21, 8, 30] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22, 16, 19, 18, 22, 12, 21, 8, 30] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Support contains 9 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 83 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84 ms. Remains : 2457/2457 places, 5400/5400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 72 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
[2025-06-01 23:28:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:28:36] [INFO ] Implicit Places using invariants in 2032 ms returned []
[2025-06-01 23:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:28:42] [INFO ] Implicit Places using invariants and state equation in 6217 ms returned []
Implicit Place search using SMT with State Equation took 8256 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:28:42] [INFO ] Redundant transitions in 325 ms returned []
Running 4752 sub problems to find dead transitions.
[2025-06-01 23:28:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 4752/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4752 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 0/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63884ms problems are : Problem set: 0 solved, 4752 unsolved
Search for dead transitions found 0 dead transitions in 63893ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72562 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:29:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[22, 16, 19, 18, 22, 12, 21, 8, 30] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 236707 steps (1 resets) in 30001 ms. (7 steps per ms)
BEST_FIRST walk for 2297737 steps (0 resets) in 45091 ms. (50 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[35, 16, 19, 18, 22, 17, 21, 8, 30] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:31:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:31:02] [INFO ] [Real]Absence check using 945 positive place invariants in 187 ms returned sat
[2025-06-01 23:31:02] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 68 ms returned sat
[2025-06-01 23:31:03] [INFO ] [Real]Absence check using state equation in 1654 ms returned sat
[2025-06-01 23:31:04] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 249 ms.
[2025-06-01 23:31:24] [INFO ] Added : 460 causal constraints over 92 iterations in 20011 ms.(timeout) Result :sat
Minimization took 4568 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:31:29] [INFO ] [Real]Absence check using 945 positive place invariants in 193 ms returned sat
[2025-06-01 23:31:29] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:31:31] [INFO ] [Real]Absence check using state equation in 1704 ms returned sat
[2025-06-01 23:31:31] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 274 ms.
[2025-06-01 23:31:51] [INFO ] Added : 475 causal constraints over 95 iterations in 20008 ms.(timeout) Result :sat
Minimization took 4559 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:31:56] [INFO ] [Real]Absence check using 945 positive place invariants in 176 ms returned sat
[2025-06-01 23:31:56] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 23:31:58] [INFO ] [Real]Absence check using state equation in 1576 ms returned sat
[2025-06-01 23:31:58] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 265 ms.
[2025-06-01 23:32:18] [INFO ] Added : 480 causal constraints over 96 iterations in 20196 ms.(timeout) Result :sat
Minimization took 4501 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:32:23] [INFO ] [Real]Absence check using 945 positive place invariants in 175 ms returned sat
[2025-06-01 23:32:23] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:32:25] [INFO ] [Real]Absence check using state equation in 1541 ms returned sat
[2025-06-01 23:32:25] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 259 ms.
[2025-06-01 23:32:45] [INFO ] Added : 485 causal constraints over 97 iterations in 20193 ms.(timeout) Result :sat
Minimization took 4559 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:32:50] [INFO ] [Real]Absence check using 945 positive place invariants in 183 ms returned sat
[2025-06-01 23:32:51] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 84 ms returned sat
[2025-06-01 23:32:52] [INFO ] [Real]Absence check using state equation in 1566 ms returned sat
[2025-06-01 23:32:53] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 243 ms.
[2025-06-01 23:33:12] [INFO ] Added : 480 causal constraints over 96 iterations in 20110 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:33:18] [INFO ] [Real]Absence check using 945 positive place invariants in 185 ms returned sat
[2025-06-01 23:33:18] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:33:19] [INFO ] [Real]Absence check using state equation in 1568 ms returned sat
[2025-06-01 23:33:20] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 245 ms.
[2025-06-01 23:33:40] [INFO ] Added : 485 causal constraints over 97 iterations in 20026 ms.(timeout) Result :sat
Minimization took 4501 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:33:45] [INFO ] [Real]Absence check using 945 positive place invariants in 179 ms returned sat
[2025-06-01 23:33:45] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 74 ms returned sat
[2025-06-01 23:33:46] [INFO ] [Real]Absence check using state equation in 1609 ms returned sat
[2025-06-01 23:33:47] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 269 ms.
[2025-06-01 23:34:07] [INFO ] Added : 495 causal constraints over 99 iterations in 20133 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:34:12] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 23:34:12] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 23:34:14] [INFO ] [Real]Absence check using state equation in 1607 ms returned sat
[2025-06-01 23:34:14] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 273 ms.
[2025-06-01 23:34:34] [INFO ] Added : 475 causal constraints over 95 iterations in 20113 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:34:39] [INFO ] [Real]Absence check using 945 positive place invariants in 189 ms returned sat
[2025-06-01 23:34:39] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:34:41] [INFO ] [Real]Absence check using state equation in 1583 ms returned sat
[2025-06-01 23:34:41] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 261 ms.
[2025-06-01 23:35:01] [INFO ] Added : 475 causal constraints over 95 iterations in 20263 ms.(timeout) Result :sat
Minimization took 4560 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[35, 16, 19, 18, 22, 17, 21, 8, 30] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[35, 16, 19, 18, 22, 17, 21, 8, 30] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
Support contains 9 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 82 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 2457/2457 places, 5400/5400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 72 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
[2025-06-01 23:35:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:35:08] [INFO ] Implicit Places using invariants in 1978 ms returned []
[2025-06-01 23:35:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:35:14] [INFO ] Implicit Places using invariants and state equation in 5780 ms returned []
Implicit Place search using SMT with State Equation took 7760 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:35:14] [INFO ] Redundant transitions in 334 ms returned []
Running 4752 sub problems to find dead transitions.
[2025-06-01 23:35:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30067 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 4752/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4752 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Error getting values : (error "ParserException while parsing response: ((s648 1)
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(s1111 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 0/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63742ms problems are : Problem set: 0 solved, 4752 unsolved
Search for dead transitions found 0 dead transitions in 63750ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71930 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:36:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[35, 16, 19, 18, 22, 17, 21, 8, 30] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 239075 steps (2 resets) in 30001 ms. (7 steps per ms)
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-15 36 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2067847 steps (0 resets) in 40063 ms. (51 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[35, 16, 19, 19, 22, 17, 21, 8] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:37:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:37:29] [INFO ] [Real]Absence check using 945 positive place invariants in 177 ms returned sat
[2025-06-01 23:37:29] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 73 ms returned sat
[2025-06-01 23:37:30] [INFO ] [Real]Absence check using state equation in 1591 ms returned sat
[2025-06-01 23:37:31] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 238 ms.
[2025-06-01 23:37:50] [INFO ] Added : 480 causal constraints over 96 iterations in 20024 ms.(timeout) Result :sat
Minimization took 4574 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:37:56] [INFO ] [Real]Absence check using 945 positive place invariants in 189 ms returned sat
[2025-06-01 23:37:56] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 23:37:57] [INFO ] [Real]Absence check using state equation in 1630 ms returned sat
[2025-06-01 23:37:58] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 268 ms.
[2025-06-01 23:38:18] [INFO ] Added : 490 causal constraints over 98 iterations in 20366 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:38:23] [INFO ] [Real]Absence check using 945 positive place invariants in 192 ms returned sat
[2025-06-01 23:38:23] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 74 ms returned sat
[2025-06-01 23:38:25] [INFO ] [Real]Absence check using state equation in 1656 ms returned sat
[2025-06-01 23:38:25] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 259 ms.
[2025-06-01 23:38:45] [INFO ] Added : 485 causal constraints over 97 iterations in 20278 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:38:51] [INFO ] [Real]Absence check using 945 positive place invariants in 185 ms returned sat
[2025-06-01 23:38:51] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:38:52] [INFO ] [Real]Absence check using state equation in 1619 ms returned sat
[2025-06-01 23:38:53] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 249 ms.
[2025-06-01 23:39:12] [INFO ] Added : 480 causal constraints over 96 iterations in 20029 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:39:18] [INFO ] [Real]Absence check using 945 positive place invariants in 182 ms returned sat
[2025-06-01 23:39:18] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:39:19] [INFO ] [Real]Absence check using state equation in 1530 ms returned sat
[2025-06-01 23:39:20] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 241 ms.
[2025-06-01 23:39:40] [INFO ] Added : 480 causal constraints over 96 iterations in 20023 ms.(timeout) Result :sat
Minimization took 4501 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:39:45] [INFO ] [Real]Absence check using 945 positive place invariants in 175 ms returned sat
[2025-06-01 23:39:45] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 84 ms returned sat
[2025-06-01 23:39:46] [INFO ] [Real]Absence check using state equation in 1641 ms returned sat
[2025-06-01 23:39:47] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 260 ms.
[2025-06-01 23:40:07] [INFO ] Added : 480 causal constraints over 96 iterations in 20089 ms.(timeout) Result :sat
Minimization took 4504 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:40:12] [INFO ] [Real]Absence check using 945 positive place invariants in 190 ms returned sat
[2025-06-01 23:40:12] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 76 ms returned sat
[2025-06-01 23:40:13] [INFO ] [Real]Absence check using state equation in 1562 ms returned sat
[2025-06-01 23:40:14] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 243 ms.
[2025-06-01 23:40:34] [INFO ] Added : 475 causal constraints over 95 iterations in 20170 ms.(timeout) Result :sat
Minimization took 4571 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:40:39] [INFO ] [Real]Absence check using 945 positive place invariants in 183 ms returned sat
[2025-06-01 23:40:39] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 76 ms returned sat
[2025-06-01 23:40:41] [INFO ] [Real]Absence check using state equation in 1551 ms returned sat
[2025-06-01 23:40:41] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 237 ms.
[2025-06-01 23:41:01] [INFO ] Added : 470 causal constraints over 94 iterations in 20031 ms.(timeout) Result :sat
Minimization took 4560 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[35, 16, 19, 19, 22, 17, 21, 8] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[35, 16, 19, 19, 22, 17, 21, 8] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
Support contains 8 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 75 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:41:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[35, 16, 19, 19, 22, 17, 21, 8] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 231586 steps (2 resets) in 30001 ms. (7 steps per ms)
BEST_FIRST walk for 2042808 steps (0 resets) in 40065 ms. (50 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[35, 19, 19, 19, 22, 17, 21, 10] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:42:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:42:16] [INFO ] [Real]Absence check using 945 positive place invariants in 181 ms returned sat
[2025-06-01 23:42:16] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 67 ms returned sat
[2025-06-01 23:42:18] [INFO ] [Real]Absence check using state equation in 1584 ms returned sat
[2025-06-01 23:42:18] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 262 ms.
[2025-06-01 23:42:38] [INFO ] Added : 460 causal constraints over 92 iterations in 20155 ms.(timeout) Result :sat
Minimization took 4577 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:42:43] [INFO ] [Real]Absence check using 945 positive place invariants in 189 ms returned sat
[2025-06-01 23:42:44] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:42:45] [INFO ] [Real]Absence check using state equation in 1640 ms returned sat
[2025-06-01 23:42:46] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 253 ms.
[2025-06-01 23:43:05] [INFO ] Added : 455 causal constraints over 91 iterations in 20058 ms.(timeout) Result :sat
Minimization took 4560 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:43:11] [INFO ] [Real]Absence check using 945 positive place invariants in 189 ms returned sat
[2025-06-01 23:43:11] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 78 ms returned sat
[2025-06-01 23:43:12] [INFO ] [Real]Absence check using state equation in 1667 ms returned sat
[2025-06-01 23:43:13] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 268 ms.
[2025-06-01 23:43:33] [INFO ] Added : 420 causal constraints over 84 iterations in 20019 ms.(timeout) Result :sat
Minimization took 4777 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:43:38] [INFO ] [Real]Absence check using 945 positive place invariants in 184 ms returned sat
[2025-06-01 23:43:38] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 79 ms returned sat
[2025-06-01 23:43:40] [INFO ] [Real]Absence check using state equation in 1653 ms returned sat
[2025-06-01 23:43:40] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 255 ms.
[2025-06-01 23:44:00] [INFO ] Added : 455 causal constraints over 91 iterations in 20293 ms.(timeout) Result :sat
Minimization took 4711 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:44:06] [INFO ] [Real]Absence check using 945 positive place invariants in 192 ms returned sat
[2025-06-01 23:44:06] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 82 ms returned sat
[2025-06-01 23:44:07] [INFO ] [Real]Absence check using state equation in 1640 ms returned sat
[2025-06-01 23:44:08] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 288 ms.
[2025-06-01 23:44:28] [INFO ] Added : 460 causal constraints over 92 iterations in 20176 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:44:33] [INFO ] [Real]Absence check using 945 positive place invariants in 203 ms returned sat
[2025-06-01 23:44:33] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 86 ms returned sat
[2025-06-01 23:44:35] [INFO ] [Real]Absence check using state equation in 1766 ms returned sat
[2025-06-01 23:44:35] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 301 ms.
[2025-06-01 23:44:55] [INFO ] Added : 450 causal constraints over 90 iterations in 20078 ms.(timeout) Result :sat
Minimization took 4595 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:45:00] [INFO ] [Real]Absence check using 945 positive place invariants in 186 ms returned sat
[2025-06-01 23:45:01] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 84 ms returned sat
[2025-06-01 23:45:02] [INFO ] [Real]Absence check using state equation in 1614 ms returned sat
[2025-06-01 23:45:03] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 251 ms.
[2025-06-01 23:45:22] [INFO ] Added : 455 causal constraints over 91 iterations in 20029 ms.(timeout) Result :sat
Minimization took 4633 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:45:28] [INFO ] [Real]Absence check using 945 positive place invariants in 181 ms returned sat
[2025-06-01 23:45:28] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 23:45:29] [INFO ] [Real]Absence check using state equation in 1672 ms returned sat
[2025-06-01 23:45:30] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 245 ms.
[2025-06-01 23:45:50] [INFO ] Added : 460 causal constraints over 92 iterations in 20181 ms.(timeout) Result :sat
Minimization took 4567 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[35, 19, 19, 19, 22, 17, 21, 10] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[35, 19, 19, 19, 22, 17, 21, 10] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
Support contains 8 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 74 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 2457/2457 places, 5400/5400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 69 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
[2025-06-01 23:45:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:45:57] [INFO ] Implicit Places using invariants in 1879 ms returned []
[2025-06-01 23:45:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:46:02] [INFO ] Implicit Places using invariants and state equation in 5805 ms returned []
Implicit Place search using SMT with State Equation took 7686 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:46:03] [INFO ] Redundant transitions in 327 ms returned []
Running 4752 sub problems to find dead transitions.
[2025-06-01 23:46:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30060 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 4752/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4752 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30060 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 0/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63632ms problems are : Problem set: 0 solved, 4752 unsolved
Search for dead transitions found 0 dead transitions in 63641ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71737 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:47:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[35, 19, 19, 19, 22, 17, 21, 10] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 234031 steps (2 resets) in 30001 ms. (7 steps per ms)
BEST_FIRST walk for 2034634 steps (0 resets) in 40076 ms. (50 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[35, 19, 19, 19, 22, 24, 21, 10] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:48:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:48:17] [INFO ] [Real]Absence check using 945 positive place invariants in 187 ms returned sat
[2025-06-01 23:48:17] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 73 ms returned sat
[2025-06-01 23:48:19] [INFO ] [Real]Absence check using state equation in 1652 ms returned sat
[2025-06-01 23:48:19] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 247 ms.
[2025-06-01 23:48:39] [INFO ] Added : 480 causal constraints over 96 iterations in 20039 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:48:44] [INFO ] [Real]Absence check using 945 positive place invariants in 178 ms returned sat
[2025-06-01 23:48:44] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 81 ms returned sat
[2025-06-01 23:48:46] [INFO ] [Real]Absence check using state equation in 1508 ms returned sat
[2025-06-01 23:48:46] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 230 ms.
[2025-06-01 23:49:06] [INFO ] Added : 475 causal constraints over 95 iterations in 20029 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:49:11] [INFO ] [Real]Absence check using 945 positive place invariants in 183 ms returned sat
[2025-06-01 23:49:11] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 78 ms returned sat
[2025-06-01 23:49:13] [INFO ] [Real]Absence check using state equation in 1575 ms returned sat
[2025-06-01 23:49:13] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 250 ms.
[2025-06-01 23:49:33] [INFO ] Added : 470 causal constraints over 94 iterations in 20120 ms.(timeout) Result :sat
Minimization took 4604 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:49:38] [INFO ] [Real]Absence check using 945 positive place invariants in 188 ms returned sat
[2025-06-01 23:49:39] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 80 ms returned sat
[2025-06-01 23:49:40] [INFO ] [Real]Absence check using state equation in 1693 ms returned sat
[2025-06-01 23:49:41] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 246 ms.
[2025-06-01 23:50:01] [INFO ] Added : 460 causal constraints over 92 iterations in 20082 ms.(timeout) Result :sat
Minimization took 4569 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:50:06] [INFO ] [Real]Absence check using 945 positive place invariants in 183 ms returned sat
[2025-06-01 23:50:06] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 83 ms returned sat
[2025-06-01 23:50:07] [INFO ] [Real]Absence check using state equation in 1559 ms returned sat
[2025-06-01 23:50:08] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 250 ms.
[2025-06-01 23:50:28] [INFO ] Added : 460 causal constraints over 92 iterations in 20115 ms.(timeout) Result :sat
Minimization took 4658 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:50:33] [INFO ] [Real]Absence check using 945 positive place invariants in 189 ms returned sat
[2025-06-01 23:50:33] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 81 ms returned sat
[2025-06-01 23:50:35] [INFO ] [Real]Absence check using state equation in 1634 ms returned sat
[2025-06-01 23:50:35] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 264 ms.
[2025-06-01 23:50:55] [INFO ] Added : 460 causal constraints over 92 iterations in 20147 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:51:00] [INFO ] [Real]Absence check using 945 positive place invariants in 178 ms returned sat
[2025-06-01 23:51:00] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 74 ms returned sat
[2025-06-01 23:51:02] [INFO ] [Real]Absence check using state equation in 1604 ms returned sat
[2025-06-01 23:51:02] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 265 ms.
[2025-06-01 23:51:22] [INFO ] Added : 490 causal constraints over 98 iterations in 20158 ms.(timeout) Result :sat
Minimization took 4557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:51:28] [INFO ] [Real]Absence check using 945 positive place invariants in 190 ms returned sat
[2025-06-01 23:51:28] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 76 ms returned sat
[2025-06-01 23:51:29] [INFO ] [Real]Absence check using state equation in 1657 ms returned sat
[2025-06-01 23:51:30] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 269 ms.
[2025-06-01 23:51:50] [INFO ] Added : 470 causal constraints over 94 iterations in 20038 ms.(timeout) Result :sat
Minimization took 4556 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[35, 19, 19, 19, 22, 24, 21, 10] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[35, 19, 19, 19, 22, 24, 21, 10] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
Support contains 8 out of 2457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 68 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 2457/2457 places, 5400/5400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2457/2457 places, 5400/5400 transitions.
Applied a total of 0 rules in 67 ms. Remains 2457 /2457 variables (removed 0) and now considering 5400/5400 (removed 0) transitions.
[2025-06-01 23:51:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:51:56] [INFO ] Implicit Places using invariants in 1919 ms returned []
[2025-06-01 23:51:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:52:02] [INFO ] Implicit Places using invariants and state equation in 5646 ms returned []
Implicit Place search using SMT with State Equation took 7572 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:52:02] [INFO ] Redundant transitions in 323 ms returned []
Running 4752 sub problems to find dead transitions.
[2025-06-01 23:52:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 4752/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4752 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1161 variables, 216/216 constraints. Problems are: Problem set: 0 solved, 4752 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1161/7857 variables, and 216 constraints, problems are : Problem set: 0 solved, 4752 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 216/945 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2457 constraints, PredecessorRefiner: 0/4752 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63657ms problems are : Problem set: 0 solved, 4752 unsolved
Search for dead transitions found 0 dead transitions in 63665ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71647 ms. Remains : 2457/2457 places, 5400/5400 transitions.
[2025-06-01 23:53:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[35, 19, 19, 19, 22, 24, 21, 10] Max Struct:[36, 36, 36, 36, 36, 36, 36, 36]
RANDOM walk for 234743 steps (2 resets) in 30001 ms. (7 steps per ms)
FORMULA HypercubeGrid-PT-C4K3P3B12-UpperBounds-10 36 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1769819 steps (0 resets) in 35073 ms. (50 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[35, 19, 19, 19, 22, 35, 26] Max Struct:[36, 36, 36, 36, 36, 36, 36]
[2025-06-01 23:54:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:54:12] [INFO ] [Real]Absence check using 945 positive place invariants in 190 ms returned sat
[2025-06-01 23:54:12] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 73 ms returned sat
[2025-06-01 23:54:13] [INFO ] [Real]Absence check using state equation in 1677 ms returned sat
[2025-06-01 23:54:14] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 268 ms.
[2025-06-01 23:54:34] [INFO ] Added : 475 causal constraints over 95 iterations in 20206 ms.(timeout) Result :sat
Minimization took 4581 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:54:39] [INFO ] [Real]Absence check using 945 positive place invariants in 190 ms returned sat
[2025-06-01 23:54:39] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 81 ms returned sat
[2025-06-01 23:54:41] [INFO ] [Real]Absence check using state equation in 1609 ms returned sat
[2025-06-01 23:54:41] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 254 ms.
[2025-06-01 23:55:01] [INFO ] Added : 465 causal constraints over 93 iterations in 20048 ms.(timeout) Result :sat
Minimization took 4559 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:55:06] [INFO ] [Real]Absence check using 945 positive place invariants in 191 ms returned sat
[2025-06-01 23:55:06] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 77 ms returned sat
[2025-06-01 23:55:08] [INFO ] [Real]Absence check using state equation in 1654 ms returned sat
[2025-06-01 23:55:08] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 247 ms.
[2025-06-01 23:55:28] [INFO ] Added : 470 causal constraints over 94 iterations in 20177 ms.(timeout) Result :sat
Minimization took 4558 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:55:33] [INFO ] [Real]Absence check using 945 positive place invariants in 187 ms returned sat
[2025-06-01 23:55:34] [INFO ] [Real]Absence check using 945 positive and 1 generalized place invariants in 86 ms returned sat
[2025-06-01 23:55:35] [INFO ] [Real]Absence check using state equation in 1557 ms returned sat
[2025-06-01 23:55:36] [INFO ] Computed and/alt/rep : 4752/4752/4752 causal constraints (skipped 0 transitions) in 281 ms.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="HypercubeGrid-PT-C4K3P3B12"
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 HypercubeGrid-PT-C4K3P3B12, 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 r114-tall-174876422400269"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypercubeGrid-PT-C4K3P3B12.tgz
mv HypercubeGrid-PT-C4K3P3B12 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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