Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r159-tall-177961079800091.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is HexagonalGrid-PT-816, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079800091
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.0M
-rw-r--r-- 1 mcc users 8.0K Mar 7 13:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 7 13:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 7 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 7 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 10:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 10:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K Mar 7 13:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 61K Mar 7 13:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 7 13:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 117K Mar 7 13:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rwxr-xr-x 1 mcc users 2.6M Mar 3 18:30 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-00
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-01
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-02
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-03
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-04
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-05
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-06
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-07
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-08
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-09
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-10
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-11
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-12
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-13
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-14
FORMULA_NAME HexagonalGrid-PT-816-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779707629731

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HexagonalGrid-PT-816
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 11:13:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 11:13:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:13:51] [INFO ] Load time of PNML (sax parser for PT used): 259 ms
[2026-05-25 11:13:51] [INFO ] Transformed 3391 places.
[2026-05-25 11:13:51] [INFO ] Transformed 6174 transitions.
[2026-05-25 11:13:51] [INFO ] Parsed PT model containing 3391 places and 6174 transitions and 24696 arcs in 395 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 6, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 6, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 6174 rows 3391 cols
[2026-05-25 11:13:51] [INFO ] Computed 1274 invariants in 319 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 6, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0] Max Struct:[1, 12, 12, 1, 12, 1, 12, 1, 1, 12, 1, 1, 1, 12, 1, 1]
FORMULA HexagonalGrid-PT-816-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HexagonalGrid-PT-816-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HexagonalGrid-PT-816-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HexagonalGrid-PT-816-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HexagonalGrid-PT-816-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 2166 ms. (4 steps per ms)
FORMULA HexagonalGrid-PT-816-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HexagonalGrid-PT-816-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HexagonalGrid-PT-816-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HexagonalGrid-PT-816-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HexagonalGrid-PT-816-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60006 steps (12 resets) in 2007 ms. (29 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11, 2, 5, 3, 2, 3] Max Struct:[12, 12, 12, 12, 12, 12]
[2026-05-25 11:13:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:13:56] [INFO ] [Real]Absence check using 1273 positive place invariants in 283 ms returned sat
[2026-05-25 11:13:57] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 158 ms returned sat
[2026-05-25 11:13:59] [INFO ] [Real]Absence check using state equation in 2183 ms returned sat
[2026-05-25 11:14:00] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 265 ms.
[2026-05-25 11:14:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:01] [INFO ] [Nat]Absence check using 1273 positive place invariants in 268 ms returned sat
[2026-05-25 11:14:01] [INFO ] [Nat]Absence check using 1273 positive and 1 generalized place invariants in 158 ms returned sat
[2026-05-25 11:14:04] [INFO ] [Nat]Absence check using state equation in 2165 ms returned sat
[2026-05-25 11:14:04] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 243 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:06] [INFO ] [Real]Absence check using 1273 positive place invariants in 247 ms returned sat
[2026-05-25 11:14:06] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 164 ms returned sat
[2026-05-25 11:14:08] [INFO ] [Real]Absence check using state equation in 1961 ms returned sat
[2026-05-25 11:14:09] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 246 ms.
[2026-05-25 11:14:11] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java: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
[2026-05-25 11:14:11] [INFO ] [Real]Absence check using 1273 positive place invariants in 262 ms returned sat
[2026-05-25 11:14:12] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 164 ms returned sat
[2026-05-25 11:14:14] [INFO ] [Real]Absence check using state equation in 2254 ms returned sat
[2026-05-25 11:14:14] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 241 ms.
[2026-05-25 11:14:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:16] [INFO ] [Nat]Absence check using 1273 positive place invariants in 268 ms returned sat
[2026-05-25 11:14:17] [INFO ] [Nat]Absence check using 1273 positive and 1 generalized place invariants in 176 ms returned sat
[2026-05-25 11:14:19] [INFO ] [Nat]Absence check using state equation in 2227 ms returned sat
[2026-05-25 11:14:19] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 284 ms.
[2026-05-25 11:14:21] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:21] [INFO ] [Real]Absence check using 1273 positive place invariants in 250 ms returned sat
[2026-05-25 11:14:22] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 171 ms returned sat
[2026-05-25 11:14:24] [INFO ] [Real]Absence check using state equation in 2206 ms returned sat
[2026-05-25 11:14:24] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 262 ms.
[2026-05-25 11:14:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:27] [INFO ] [Nat]Absence check using 1273 positive place invariants in 225 ms returned sat
[2026-05-25 11:14:27] [INFO ] [Nat]Absence check using 1273 positive and 1 generalized place invariants in 163 ms returned sat
[2026-05-25 11:14:29] [INFO ] [Nat]Absence check using state equation in 2119 ms returned sat
[2026-05-25 11:14:29] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 258 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:32] [INFO ] [Real]Absence check using 1273 positive place invariants in 248 ms returned sat
[2026-05-25 11:14:32] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 181 ms returned sat
[2026-05-25 11:14:34] [INFO ] [Real]Absence check using state equation in 2279 ms returned sat
[2026-05-25 11:14:35] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 277 ms.
[2026-05-25 11:14:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:37] [INFO ] [Nat]Absence check using 1273 positive place invariants in 250 ms returned sat
[2026-05-25 11:14:37] [INFO ] [Nat]Absence check using 1273 positive and 1 generalized place invariants in 165 ms returned sat
[2026-05-25 11:14:39] [INFO ] [Nat]Absence check using state equation in 2274 ms returned sat
[2026-05-25 11:14:40] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 284 ms.
[2026-05-25 11:14:41] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:42] [INFO ] [Real]Absence check using 1273 positive place invariants in 254 ms returned sat
[2026-05-25 11:14:42] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 166 ms returned sat
[2026-05-25 11:14:44] [INFO ] [Real]Absence check using state equation in 2256 ms returned sat
[2026-05-25 11:14:45] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 266 ms.
[2026-05-25 11:14:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:47] [INFO ] [Nat]Absence check using 1273 positive place invariants in 243 ms returned sat
[2026-05-25 11:14:47] [INFO ] [Nat]Absence check using 1273 positive and 1 generalized place invariants in 163 ms returned sat
[2026-05-25 11:14:49] [INFO ] [Nat]Absence check using state equation in 2243 ms returned sat
[2026-05-25 11:14:50] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 230 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11, 2, 5, 3, 2, 3] Max Struct:[12, 12, 12, 12, 12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11, 2, 5, 3, 2, 3] Max Struct:[12, 12, 12, 12, 12, 12]
Support contains 6 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 388 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 401 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:14:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[11, 2, 5, 3, 2, 3] Max Struct:[12, 12, 12, 12, 12, 12]
RANDOM walk for 194712 steps (1 resets) in 30001 ms. (6 steps per ms)
FORMULA HexagonalGrid-PT-816-UpperBounds-01 12 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 770501 steps (0 resets) in 25055 ms. (30 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 6, 4, 11, 3] Max Struct:[12, 12, 12, 12, 12]
[2026-05-25 11:15:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:15:47] [INFO ] [Real]Absence check using 1273 positive place invariants in 229 ms returned sat
[2026-05-25 11:15:47] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 186 ms returned sat
[2026-05-25 11:15:50] [INFO ] [Real]Absence check using state equation in 2205 ms returned sat
[2026-05-25 11:15:50] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 229 ms.
[2026-05-25 11:16:10] [INFO ] Added : 350 causal constraints over 70 iterations in 20071 ms.(timeout) Result :sat
Minimization took 4811 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:16:16] [INFO ] [Real]Absence check using 1273 positive place invariants in 234 ms returned sat
[2026-05-25 11:16:16] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 169 ms returned sat
[2026-05-25 11:16:18] [INFO ] [Real]Absence check using state equation in 2136 ms returned sat
[2026-05-25 11:16:18] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 252 ms.
[2026-05-25 11:16:38] [INFO ] Added : 360 causal constraints over 72 iterations in 20199 ms.(timeout) Result :sat
Minimization took 4785 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:16:44] [INFO ] [Real]Absence check using 1273 positive place invariants in 219 ms returned sat
[2026-05-25 11:16:44] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 169 ms returned sat
[2026-05-25 11:16:46] [INFO ] [Real]Absence check using state equation in 1971 ms returned sat
[2026-05-25 11:16:47] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 227 ms.
[2026-05-25 11:17:07] [INFO ] Added : 355 causal constraints over 71 iterations in 20265 ms.(timeout) Result :sat
Minimization took 4784 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:12] [INFO ] [Real]Absence check using 1273 positive place invariants in 223 ms returned sat
[2026-05-25 11:17:12] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 135 ms returned sat
[2026-05-25 11:17:15] [INFO ] [Real]Absence check using state equation in 2221 ms returned sat
[2026-05-25 11:17:15] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 233 ms.
[2026-05-25 11:17:35] [INFO ] Added : 365 causal constraints over 73 iterations in 20040 ms.(timeout) Result :sat
Minimization took 4782 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:40] [INFO ] [Real]Absence check using 1273 positive place invariants in 215 ms returned sat
[2026-05-25 11:17:41] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 171 ms returned sat
[2026-05-25 11:17:43] [INFO ] [Real]Absence check using state equation in 2069 ms returned sat
[2026-05-25 11:17:43] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 235 ms.
[2026-05-25 11:18:03] [INFO ] Added : 360 causal constraints over 72 iterations in 20291 ms.(timeout) Result :sat
Minimization took 4784 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 6, 4, 11, 3] Max Struct:[12, 12, 12, 12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 6, 4, 11, 3] Max Struct:[12, 12, 12, 12, 12]
Support contains 5 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 288 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 288 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:18:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7, 6, 4, 11, 3] Max Struct:[12, 12, 12, 12, 12]
RANDOM walk for 185507 steps (1 resets) in 30001 ms. (6 steps per ms)
BEST_FIRST walk for 806054 steps (0 resets) in 25073 ms. (32 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 6, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
[2026-05-25 11:19:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:19:04] [INFO ] [Real]Absence check using 1273 positive place invariants in 253 ms returned sat
[2026-05-25 11:19:04] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 186 ms returned sat
[2026-05-25 11:19:07] [INFO ] [Real]Absence check using state equation in 2401 ms returned sat
[2026-05-25 11:19:07] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 272 ms.
[2026-05-25 11:19:27] [INFO ] Added : 350 causal constraints over 70 iterations in 20092 ms.(timeout) Result :sat
Minimization took 4889 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:19:33] [INFO ] [Real]Absence check using 1273 positive place invariants in 236 ms returned sat
[2026-05-25 11:19:33] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 178 ms returned sat
[2026-05-25 11:19:35] [INFO ] [Real]Absence check using state equation in 2241 ms returned sat
[2026-05-25 11:19:36] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 260 ms.
[2026-05-25 11:19:56] [INFO ] Added : 360 causal constraints over 72 iterations in 20261 ms.(timeout) Result :sat
Minimization took 4795 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:20:02] [INFO ] [Real]Absence check using 1273 positive place invariants in 240 ms returned sat
[2026-05-25 11:20:02] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 180 ms returned sat
[2026-05-25 11:20:04] [INFO ] [Real]Absence check using state equation in 2124 ms returned sat
[2026-05-25 11:20:04] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 227 ms.
[2026-05-25 11:20:24] [INFO ] Added : 365 causal constraints over 73 iterations in 20144 ms.(timeout) Result :sat
Minimization took 4898 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:20:30] [INFO ] [Real]Absence check using 1273 positive place invariants in 239 ms returned sat
[2026-05-25 11:20:30] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 137 ms returned sat
[2026-05-25 11:20:32] [INFO ] [Real]Absence check using state equation in 2362 ms returned sat
[2026-05-25 11:20:33] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 237 ms.
[2026-05-25 11:20:53] [INFO ] Added : 355 causal constraints over 71 iterations in 20242 ms.(timeout) Result :sat
Minimization took 4794 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:20:59] [INFO ] [Real]Absence check using 1273 positive place invariants in 217 ms returned sat
[2026-05-25 11:20:59] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 176 ms returned sat
[2026-05-25 11:21:01] [INFO ] [Real]Absence check using state equation in 2177 ms returned sat
[2026-05-25 11:21:02] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 232 ms.
[2026-05-25 11:21:21] [INFO ] Added : 360 causal constraints over 72 iterations in 20014 ms.(timeout) Result :sat
Minimization took 4902 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 6, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 6, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
Support contains 5 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 239 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 239 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 181 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
[2026-05-25 11:21:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:21:30] [INFO ] Implicit Places using invariants in 3081 ms returned []
[2026-05-25 11:21:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:21:41] [INFO ] Implicit Places using invariants and state equation in 11462 ms returned []
Implicit Place search using SMT with State Equation took 14552 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:21:42] [INFO ] Redundant transitions in 716 ms returned []
Running 5160 sub problems to find dead transitions.
[2026-05-25 11:21:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30111 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64643ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 64691ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80202 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:22:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7, 6, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
RANDOM walk for 179355 steps (1 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 794460 steps (0 resets) in 25051 ms. (31 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 9, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
[2026-05-25 11:23:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:23:43] [INFO ] [Real]Absence check using 1273 positive place invariants in 238 ms returned sat
[2026-05-25 11:23:43] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 182 ms returned sat
[2026-05-25 11:23:45] [INFO ] [Real]Absence check using state equation in 2317 ms returned sat
[2026-05-25 11:23:46] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 254 ms.
[2026-05-25 11:24:06] [INFO ] Added : 365 causal constraints over 73 iterations in 20133 ms.(timeout) Result :sat
Minimization took 4792 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:24:11] [INFO ] [Real]Absence check using 1273 positive place invariants in 235 ms returned sat
[2026-05-25 11:24:11] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 163 ms returned sat
[2026-05-25 11:24:14] [INFO ] [Real]Absence check using state equation in 2217 ms returned sat
[2026-05-25 11:24:14] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 266 ms.
[2026-05-25 11:24:34] [INFO ] Added : 360 causal constraints over 72 iterations in 20051 ms.(timeout) Result :sat
Minimization took 4894 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:24:40] [INFO ] [Real]Absence check using 1273 positive place invariants in 228 ms returned sat
[2026-05-25 11:24:40] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 171 ms returned sat
[2026-05-25 11:24:42] [INFO ] [Real]Absence check using state equation in 2073 ms returned sat
[2026-05-25 11:24:42] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 229 ms.
[2026-05-25 11:25:02] [INFO ] Added : 360 causal constraints over 72 iterations in 20198 ms.(timeout) Result :sat
Minimization took 4795 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:25:08] [INFO ] [Real]Absence check using 1273 positive place invariants in 245 ms returned sat
[2026-05-25 11:25:08] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 149 ms returned sat
[2026-05-25 11:25:10] [INFO ] [Real]Absence check using state equation in 2354 ms returned sat
[2026-05-25 11:25:11] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 272 ms.
[2026-05-25 11:25:31] [INFO ] Added : 360 causal constraints over 72 iterations in 20072 ms.(timeout) Result :sat
Minimization took 4888 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:25:36] [INFO ] [Real]Absence check using 1273 positive place invariants in 234 ms returned sat
[2026-05-25 11:25:37] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 162 ms returned sat
[2026-05-25 11:25:39] [INFO ] [Real]Absence check using state equation in 2241 ms returned sat
[2026-05-25 11:25:39] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 229 ms.
[2026-05-25 11:26:00] [INFO ] Added : 360 causal constraints over 72 iterations in 20407 ms.(timeout) Result :sat
Minimization took 4901 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 9, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 9, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
Support contains 5 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 135 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 115 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
[2026-05-25 11:26:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:26:08] [INFO ] Implicit Places using invariants in 3071 ms returned []
[2026-05-25 11:26:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:26:19] [INFO ] Implicit Places using invariants and state equation in 11170 ms returned []
Implicit Place search using SMT with State Equation took 14244 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:26:20] [INFO ] Redundant transitions in 468 ms returned []
Running 5160 sub problems to find dead transitions.
[2026-05-25 11:26:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
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(timeout
s2746 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30073 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64138ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 64154ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79006 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:27:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7, 9, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
RANDOM walk for 183294 steps (1 resets) in 30001 ms. (6 steps per ms)
BEST_FIRST walk for 822706 steps (0 resets) in 25057 ms. (32 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 9, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
[2026-05-25 11:28:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:28:19] [INFO ] [Real]Absence check using 1273 positive place invariants in 233 ms returned sat
[2026-05-25 11:28:20] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 192 ms returned sat
[2026-05-25 11:28:22] [INFO ] [Real]Absence check using state equation in 2213 ms returned sat
[2026-05-25 11:28:22] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 220 ms.
[2026-05-25 11:28:42] [INFO ] Added : 375 causal constraints over 75 iterations in 20106 ms.(timeout) Result :sat
Minimization took 4787 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:28:48] [INFO ] [Real]Absence check using 1273 positive place invariants in 228 ms returned sat
[2026-05-25 11:28:48] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 167 ms returned sat
[2026-05-25 11:28:50] [INFO ] [Real]Absence check using state equation in 2085 ms returned sat
[2026-05-25 11:28:51] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 219 ms.
[2026-05-25 11:29:10] [INFO ] Added : 370 causal constraints over 74 iterations in 20036 ms.(timeout) Result :sat
Minimization took 4790 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:29:16] [INFO ] [Real]Absence check using 1273 positive place invariants in 221 ms returned sat
[2026-05-25 11:29:16] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 170 ms returned sat
[2026-05-25 11:29:18] [INFO ] [Real]Absence check using state equation in 2004 ms returned sat
[2026-05-25 11:29:19] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 219 ms.
[2026-05-25 11:29:39] [INFO ] Added : 375 causal constraints over 75 iterations in 20086 ms.(timeout) Result :sat
Minimization took 4776 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:29:44] [INFO ] [Real]Absence check using 1273 positive place invariants in 213 ms returned sat
[2026-05-25 11:29:44] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 135 ms returned sat
[2026-05-25 11:29:46] [INFO ] [Real]Absence check using state equation in 2180 ms returned sat
[2026-05-25 11:29:47] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 229 ms.
[2026-05-25 11:30:07] [INFO ] Added : 390 causal constraints over 78 iterations in 20162 ms.(timeout) Result :sat
Minimization took 4781 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:30:12] [INFO ] [Real]Absence check using 1273 positive place invariants in 240 ms returned sat
[2026-05-25 11:30:13] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 184 ms returned sat
[2026-05-25 11:30:15] [INFO ] [Real]Absence check using state equation in 2235 ms returned sat
[2026-05-25 11:30:15] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 264 ms.
[2026-05-25 11:30:35] [INFO ] Added : 370 causal constraints over 74 iterations in 20235 ms.(timeout) Result :sat
Minimization took 4908 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 9, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 9, 5, 11, 5] Max Struct:[12, 12, 12, 12, 12]
Support contains 5 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 123 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 123 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 111 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
[2026-05-25 11:30:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:30:44] [INFO ] Implicit Places using invariants in 3141 ms returned []
[2026-05-25 11:30:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:30:54] [INFO ] Implicit Places using invariants and state equation in 10231 ms returned []
Implicit Place search using SMT with State Equation took 13375 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:30:55] [INFO ] Redundant transitions in 662 ms returned []
Running 5160 sub problems to find dead transitions.
[2026-05-25 11:30:55] [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) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30075 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30074 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64277ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 64290ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78458 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:32:00] [INFO ] Flatten gal took : 776 ms
[2026-05-25 11:32:01] [INFO ] Flatten gal took : 389 ms
[2026-05-25 11:32:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10453964435058485647.gal : 99 ms
[2026-05-25 11:32:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7739578757984243142.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10453964435058485647.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7739578757984243142.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7739578757984243142.prop.
RANDOM walk for 40000 steps (8 resets) in 15037 ms. (2 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1833 ms. (21 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1573 ms. (25 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1875 ms. (21 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1636 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1641 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1883 ms. (21 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1639 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1594 ms. (25 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1903 ms. (21 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1608 ms. (24 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :6 after 42
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :42 after 440
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :440 after 678
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :678 after 3262
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :3262 after 19969
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :19969 after 64389
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :64389 after 4.25619e+06
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :4.25619e+06 after 6.2379e+06
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :6.2379e+06 after 4.03916e+07
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :4.03916e+07 after 5.51307e+08
Interrupted probabilistic random walk after 404236 steps, run timeout after 24088 ms. (steps per millisecond=16 ) properties seen :0 out of 10
Probabilistic random walk after 404236 steps, saw 403840 distinct states, run finished after 24094 ms. (steps per millisecond=16 ) properties seen :0
[2026-05-25 11:32:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 30/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1268/1303 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1303 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 2082/3385 variables, 1267/1273 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SMT process timed out in 5039ms, After SMT, problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 121 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 3391/3391 places, 6174/6174 transitions.
RANDOM walk for 40000 steps (8 resets) in 11795 ms. (3 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1742 ms. (22 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1618 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1788 ms. (22 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1651 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1643 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1743 ms. (22 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1629 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1714 ms. (23 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1641 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1680 ms. (23 steps per ms) remains 10/10 properties
Detected timeout of ITS tools.
[2026-05-25 11:32:51] [INFO ] Flatten gal took : 193 ms
[2026-05-25 11:32:51] [INFO ] Applying decomposition
[2026-05-25 11:32:51] [INFO ] Flatten gal took : 188 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17723341701322554325.txt' '-o' '/tmp/graph17723341701322554325.bin' '-w' '/tmp/graph17723341701322554325.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17723341701322554325.bin' '-l' '-1' '-v' '-w' '/tmp/graph17723341701322554325.weights' '-q' '0' '-e' '0.001'
[2026-05-25 11:32:52] [INFO ] Decomposing Gal with order
[2026-05-25 11:32:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 11:32:54] [INFO ] Removed a total of 8112 redundant transitions.
[2026-05-25 11:32:54] [INFO ] Flatten gal took : 498 ms
[2026-05-25 11:32:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 36 ms.
[2026-05-25 11:32:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6143667346170521066.gal : 50 ms
[2026-05-25 11:32:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6906432140342037900.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6143667346170521066.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6906432140342037900.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality6906432140342037900.prop.
Probabilistic random walk after 327908 steps, saw 327562 distinct states, run finished after 21056 ms. (steps per millisecond=15 ) properties seen :0
[2026-05-25 11:33:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 30/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1268/1303 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1303 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 2082/3385 variables, 1267/1273 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 6174/9565 variables, 3391/4665 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/9565 variables, 0/4665 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 0/9565 variables, 0/4665 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9565/9565 variables, and 4665 constraints, problems are : Problem set: 0 solved, 10 unsolved in 18448 ms.
Refiners :[Positive P Invariants (semi-flows): 1273/1273 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 3391/3391 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 30/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1268/1303 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1303 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 2082/3385 variables, 1267/1273 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 6174/9565 variables, 3391/4665 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/9565 variables, 10/4675 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/9565 variables, 0/4675 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 0/9565 variables, 0/4675 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9565/9565 variables, and 4675 constraints, problems are : Problem set: 0 solved, 10 unsolved in 15370 ms.
Refiners :[Positive P Invariants (semi-flows): 1273/1273 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 3391/3391 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33847ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 8 different solutions.
Detected timeout of ITS tools.
Parikh walk visited 7 properties in 30009 ms.
Support contains 3 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 107 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 107 ms. Remains : 3391/3391 places, 6174/6174 transitions.
FORMULA HexagonalGrid-PT-816-UpperBounds-09 12 TECHNIQUES REACHABILITY_MAX
FORMULA HexagonalGrid-PT-816-UpperBounds-02 12 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 2 queries.) : Max Seen:[9, 5, 5] Max Struct:[12, 12, 12]
Starting property specific reduction for HexagonalGrid-PT-816-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[12]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[12]
[2026-05-25 11:34:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[12]
RANDOM walk for 10000 steps (2 resets) in 2248 ms. (4 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 322 ms. (30 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[12]
[2026-05-25 11:34:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:34:13] [INFO ] [Real]Absence check using 1273 positive place invariants in 255 ms returned sat
[2026-05-25 11:34:13] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 168 ms returned sat
[2026-05-25 11:34:16] [INFO ] [Real]Absence check using state equation in 2101 ms returned sat
[2026-05-25 11:34:16] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 272 ms.
[2026-05-25 11:34:18] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.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:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[12]
Support contains 1 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 105 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:34:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[12]
RANDOM walk for 197555 steps (1 resets) in 30001 ms. (6 steps per ms)
BEST_FIRST walk for 166209 steps (0 resets) in 5010 ms. (33 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[12]
[2026-05-25 11:34:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:34:53] [INFO ] [Real]Absence check using 1273 positive place invariants in 216 ms returned sat
[2026-05-25 11:34:54] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 168 ms returned sat
[2026-05-25 11:34:56] [INFO ] [Real]Absence check using state equation in 1996 ms returned sat
[2026-05-25 11:34:56] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 233 ms.
[2026-05-25 11:35:16] [INFO ] Added : 365 causal constraints over 73 iterations in 20020 ms.(timeout) Result :sat
Minimization took 4839 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[12]
Support contains 1 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 118 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 110 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
[2026-05-25 11:35:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:35:24] [INFO ] Implicit Places using invariants in 3151 ms returned []
[2026-05-25 11:35:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:35:36] [INFO ] Implicit Places using invariants and state equation in 11267 ms returned []
Implicit Place search using SMT with State Equation took 14425 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:35:36] [INFO ] Redundant transitions in 656 ms returned []
Running 5160 sub problems to find dead transitions.
[2026-05-25 11:35:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30085 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64411ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 64429ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79654 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:36:41] [INFO ] Flatten gal took : 216 ms
[2026-05-25 11:36:41] [INFO ] Flatten gal took : 364 ms
[2026-05-25 11:36:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2329098467969260234.gal : 61 ms
[2026-05-25 11:36:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1405440661887452053.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2329098467969260234.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1405440661887452053.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1405440661887452053.prop.
RANDOM walk for 40000 steps (8 resets) in 12660 ms. (3 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1576 ms. (25 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1838 ms. (21 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 42
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :42 after 440
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :440 after 678
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :678 after 3262
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :3262 after 19969
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :19969 after 64389
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :64389 after 4.25619e+06
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4.25619e+06 after 6.2379e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6.2379e+06 after 4.03916e+07
Probabilistic random walk after 219919 steps, saw 219648 distinct states, run finished after 12030 ms. (steps per millisecond=18 ) properties seen :0
[2026-05-25 11:36:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1272/1279 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1279 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2106/3385 variables, 1271/1273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4.03916e+07 after 5.51307e+08
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6174/9565 variables, 3391/4665 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/9565 variables, 0/4665 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/9565 variables, 0/4665 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9565/9565 variables, and 4665 constraints, problems are : Problem set: 0 solved, 2 unsolved in 5004 ms.
Refiners :[Positive P Invariants (semi-flows): 1273/1273 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 3391/3391 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1272/1279 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1279 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2106/3385 variables, 1271/1273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6174/9565 variables, 3391/4665 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/9565 variables, 2/4667 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/9565 variables, 0/4667 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/9565 variables, 0/4667 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9565/9565 variables, and 4667 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4341 ms.
Refiners :[Positive P Invariants (semi-flows): 1273/1273 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 3391/3391 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9366ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 2041 steps, including 0 resets, run visited all 2 properties in 212 ms. (steps per millisecond=9 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 2 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 220 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA HexagonalGrid-PT-816-UpperBounds-04 12 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for HexagonalGrid-PT-816-UpperBounds-04 in 176565 ms.
Starting property specific reduction for HexagonalGrid-PT-816-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[12]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[12]
[2026-05-25 11:37:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[12]
RANDOM walk for 10000 steps (2 resets) in 2166 ms. (4 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 318 ms. (31 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[12]
[2026-05-25 11:37:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:37:10] [INFO ] [Real]Absence check using 1273 positive place invariants in 247 ms returned sat
[2026-05-25 11:37:10] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 172 ms returned sat
[2026-05-25 11:37:12] [INFO ] [Real]Absence check using state equation in 2073 ms returned sat
[2026-05-25 11:37:13] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 268 ms.
[2026-05-25 11:37:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:37:15] [INFO ] [Nat]Absence check using 1273 positive place invariants in 230 ms returned sat
[2026-05-25 11:37:15] [INFO ] [Nat]Absence check using 1273 positive and 1 generalized place invariants in 166 ms returned sat
[2026-05-25 11:37:17] [INFO ] [Nat]Absence check using state equation in 2079 ms returned sat
[2026-05-25 11:37:17] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 225 ms.
[2026-05-25 11:37:19] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.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:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[12]
Support contains 1 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 104 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 105 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:37:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[12]
RANDOM walk for 188561 steps (1 resets) in 30001 ms. (6 steps per ms)
BEST_FIRST walk for 154029 steps (0 resets) in 5030 ms. (30 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[12]
[2026-05-25 11:37:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:37:55] [INFO ] [Real]Absence check using 1273 positive place invariants in 241 ms returned sat
[2026-05-25 11:37:55] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 170 ms returned sat
[2026-05-25 11:37:57] [INFO ] [Real]Absence check using state equation in 2140 ms returned sat
[2026-05-25 11:37:58] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 221 ms.
[2026-05-25 11:38:18] [INFO ] Added : 360 causal constraints over 72 iterations in 20297 ms.(timeout) Result :sat
Minimization took 4848 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[12]
Support contains 1 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 121 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 106 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
[2026-05-25 11:38:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:38:26] [INFO ] Implicit Places using invariants in 3151 ms returned []
[2026-05-25 11:38:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:38:36] [INFO ] Implicit Places using invariants and state equation in 10144 ms returned []
Implicit Place search using SMT with State Equation took 13298 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:38:37] [INFO ] Redundant transitions in 441 ms returned []
Running 5160 sub problems to find dead transitions.
[2026-05-25 11:38:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
(s1391 1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
Error getting values : (error "ParserException while parsing response: ((s1014 1.0)
(s1015 1.0)
(s1016 1.0)
(s1017 1.0)
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(s1366 1.0)
(s1367 1.0)
(s1368 1.0)
(s1369 1.0)
(s1370 1.0)
(s1371 1.0)
(s1372 1.0)
(s1373 1.0)
(s1374 1.0)
(s1375 1.0)
(s1376 1.0)
(s1377 1.0)
(s1378 1.0)
(s1379 1.0)
(s1380 1.0)
(s1381 1.0)
(s1382 1.0)
(s1383 1.0)
(s1384 1.0)
(s1385 1.0)
(s1386 1.0)
(s1387 1.0)
(s1388 1.0)
(s1389 1.0)
(s1390 1.0)
(s1391 1.0timeout
) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30073 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64402ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 64413ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78283 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:39:42] [INFO ] Flatten gal took : 369 ms
[2026-05-25 11:39:42] [INFO ] Flatten gal took : 230 ms
[2026-05-25 11:39:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7136831654008014570.gal : 29 ms
[2026-05-25 11:39:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13276946349950877497.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7136831654008014570.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13276946349950877497.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13276946349950877497.prop.
RANDOM walk for 40000 steps (8 resets) in 12024 ms. (3 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1539 ms. (25 steps per ms) remains 1/1 properties
[2026-05-25 11:39:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1272/1279 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1279 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2106/3385 variables, 1271/1273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9565/9565 variables, and 4665 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2952 ms.
Refiners :[Positive P Invariants (semi-flows): 1273/1273 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 3391/3391 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1272/1279 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1279 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2106/3385 variables, 1271/1273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 9565/9565 variables, and 4665 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2787 ms.
Refiners :[Positive P Invariants (semi-flows): 1273/1273 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 3391/3391 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5768ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6132 steps, including 1 resets, run visited all 1 properties in 451 ms. (steps per millisecond=13 )
Parikh walk visited 1 properties in 452 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA HexagonalGrid-PT-816-UpperBounds-06 12 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for HexagonalGrid-PT-816-UpperBounds-06 in 164736 ms.
Starting property specific reduction for HexagonalGrid-PT-816-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[12]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[12]
[2026-05-25 11:39:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[12]
RANDOM walk for 10000 steps (2 resets) in 2152 ms. (4 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 320 ms. (31 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[12]
[2026-05-25 11:39:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:39:54] [INFO ] [Real]Absence check using 1273 positive place invariants in 222 ms returned sat
[2026-05-25 11:39:55] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 160 ms returned sat
[2026-05-25 11:39:57] [INFO ] [Real]Absence check using state equation in 2002 ms returned sat
[2026-05-25 11:39:57] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 274 ms.
[2026-05-25 11:39:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:39:59] [INFO ] [Nat]Absence check using 1273 positive place invariants in 227 ms returned sat
[2026-05-25 11:40:00] [INFO ] [Nat]Absence check using 1273 positive and 1 generalized place invariants in 158 ms returned sat
[2026-05-25 11:40:02] [INFO ] [Nat]Absence check using state equation in 2140 ms returned sat
[2026-05-25 11:40:02] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 231 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[12]
Support contains 1 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 148 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 149 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:40:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[12]
RANDOM walk for 194608 steps (1 resets) in 30001 ms. (6 steps per ms)
BEST_FIRST walk for 154569 steps (0 resets) in 5015 ms. (30 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[12]
[2026-05-25 11:40:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:40:40] [INFO ] [Real]Absence check using 1273 positive place invariants in 219 ms returned sat
[2026-05-25 11:40:40] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 165 ms returned sat
[2026-05-25 11:40:42] [INFO ] [Real]Absence check using state equation in 2231 ms returned sat
[2026-05-25 11:40:43] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 229 ms.
[2026-05-25 11:41:03] [INFO ] Added : 355 causal constraints over 71 iterations in 20180 ms.(timeout) Result :sat
Minimization took 4794 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[12]
Support contains 1 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 121 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 112 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
[2026-05-25 11:41:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:41:11] [INFO ] Implicit Places using invariants in 3128 ms returned []
[2026-05-25 11:41:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:41:22] [INFO ] Implicit Places using invariants and state equation in 11341 ms returned []
Implicit Place search using SMT with State Equation took 14473 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:41:23] [INFO ] Redundant transitions in 445 ms returned []
Running 5160 sub problems to find dead transitions.
[2026-05-25 11:41:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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(s1566 0.0)
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(s1574timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64033ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 64051ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79102 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:42:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[12]
RANDOM walk for 212830 steps (1 resets) in 30001 ms. (7 steps per ms)
BEST_FIRST walk for 166751 steps (0 resets) in 5005 ms. (33 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[12]
[2026-05-25 11:43:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:43:02] [INFO ] [Real]Absence check using 1273 positive place invariants in 216 ms returned sat
[2026-05-25 11:43:03] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 170 ms returned sat
[2026-05-25 11:43:05] [INFO ] [Real]Absence check using state equation in 2095 ms returned sat
[2026-05-25 11:43:05] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 227 ms.
[2026-05-25 11:43:25] [INFO ] Added : 365 causal constraints over 73 iterations in 20093 ms.(timeout) Result :sat
Minimization took 4787 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[12]
Support contains 1 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 112 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 101 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
[2026-05-25 11:43:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:43:33] [INFO ] Implicit Places using invariants in 3080 ms returned []
[2026-05-25 11:43:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:43:44] [INFO ] Implicit Places using invariants and state equation in 10864 ms returned []
Implicit Place search using SMT with State Equation took 13961 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:43:45] [INFO ] Redundant transitions in 449 ms returned []
Running 5160 sub problems to find dead transitions.
[2026-05-25 11:43:45] [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: ((s1014 1.0)
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(s1607 1.0)
(s1608 1.0)
(s1609 1.0)
(s1610 1.0)
(s1611 1.0)
(s1612 1.0)
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(s1629 1.0)
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(s1659 1.0)
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(s1665 1.0)
(s1666 1.0)
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(s1671 1.0)
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(s1681 0.0)
(s1682 1.0)
(s1683 1.0)
(s1684 1.0)
(s1685 1.0)
(s1686 1.0)
(s1687 1.0)
(s1688 1.0)
(s1689 1.0)
(s1690 0.0)
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(s1693 0.0)
(s1694 0.0)
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(s1696 0.0)
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(s1700 0.0)
(s1701 0.0)
(s1702 0.0)
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(s1704 0.0)
(s1705 0.0)
(s1706 0.0)
(s1707 0.0)
(s1708 0.0)
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(s1712 0.0)
(s1713 0.0)
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(s1718 0.0)
(s1719 0.0)
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(s1725 0.0)
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(s1742 0.0)
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(s1816 0.0)
(s1827 0.0)
(s1839 0.0)
(s1852 0.0)
(s1866 0.0)
(s1881 0.0)
(s1911 0.0)
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(s1939 0.0)
(s1949 0.0)
(s1966 0.0)
(s1974 0.0)
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(s1996 0.0)
(s2008 0.0)
(s2021 0.0)
(s2035 0.0)
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(s2064 0.0)
(s2085 1.0)
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(s2108 1.0)
(s2118 1.0)
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(s2136 1.0)
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(s2219 1.0)
(s2233 1.0)
(s2242 1.0)
(s2243 1.0)
(s2244 1.0)
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(s2246 1.0)
(s2247 1.0)
(s2248 1.0)
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(s2330 1.0)
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(s2364 1.0)
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(s2404 1.0)
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(s2406 1.0)
(s2407 1.0)
(s2408 1.0)
(s2409 1.0)
(s2410 1.0)
(s2411 1.0)
(s2412 1.0)
(s2413 1.0)
(s2414 1.0)
(s2415 1.0)
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(s2417 1.0)
(s2418 1.0)
(s2419 1.0)
(s2420 1.0)
(s2421 1.0)
(s2422 1.0)
(s2423 1.0)
(s2424 1.0)
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(s2426 1.0)
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(s2443 1.0)
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(s2446 1.0)
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(s2448 1.0)
(s2449 1.0)
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(s2451 1.0)
(s2452 1.0)
(s2453 1.0)
(s2454 1.0)
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(s2456 1.0)
(s2457 1.0)
(s2458 1.0)
(s2459 1.0)
(s2460 1.0)
(s2461 1.0)
(s2462 1.0)
(s2463 1.0)
(s2464 1.0)
(s2465 1.0)
(s2466 1.0)
(s2467 1.0)
(s2468 1.0)
(s2469 1.0)
(s2470 1.0)
(s2471 1.0)
(s2472 1.0)
(s2473 1.0)
(s2474 1.0)
(s2475 1.0)
(s2476 1.0)
(s2477 1.0)
timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 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 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63816ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 63832ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78365 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:44:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[12]
RANDOM walk for 191950 steps (1 resets) in 30001 ms. (6 steps per ms)
BEST_FIRST walk for 149782 steps (0 resets) in 5017 ms. (29 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[12]
[2026-05-25 11:45:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:45:24] [INFO ] [Real]Absence check using 1273 positive place invariants in 233 ms returned sat
[2026-05-25 11:45:24] [INFO ] [Real]Absence check using 1273 positive and 1 generalized place invariants in 166 ms returned sat
[2026-05-25 11:45:26] [INFO ] [Real]Absence check using state equation in 2150 ms returned sat
[2026-05-25 11:45:27] [INFO ] Computed and/alt/rep : 5160/5160/5160 causal constraints (skipped 0 transitions) in 257 ms.
[2026-05-25 11:45:47] [INFO ] Added : 360 causal constraints over 72 iterations in 20074 ms.(timeout) Result :sat
Minimization took 4787 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[12]
Support contains 1 out of 3391 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 108 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 108 ms. Remains : 3391/3391 places, 6174/6174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3391/3391 places, 6174/6174 transitions.
Applied a total of 0 rules in 100 ms. Remains 3391 /3391 variables (removed 0) and now considering 6174/6174 (removed 0) transitions.
[2026-05-25 11:45:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:45:55] [INFO ] Implicit Places using invariants in 3085 ms returned []
[2026-05-25 11:45:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:46:06] [INFO ] Implicit Places using invariants and state equation in 10928 ms returned []
Implicit Place search using SMT with State Equation took 14028 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:46:06] [INFO ] Redundant transitions in 435 ms returned []
Running 5160 sub problems to find dead transitions.
[2026-05-25 11:46:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
(s2565 1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
Error getting values : (error "ParserException while parsing response: ((s1014 1.0)
(s1015 1.0)
(s1016 1.0)
(s1017 1.0)
(s1018 1.0)
(s1019 1.0)
(s1020 1.0)
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(s1022 1.0)
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(s1025 1.0)
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(s1029 1.0)
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(s1234 1.0)
(s1235 1.0)
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(s1278 1.0)
(s1279 1.0)
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(s2562 1.0)
(s2563 1.0)
(s2564 1.0)
(s2565 1.0timeout
) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30067 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 5160/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5160 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1363 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 5160 unsolved
(s1723 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s1014 1)
(s1015 1)
(s1016 1)
(s1017 1)
(s1018 1)
(s1019 1)
(s1020 1)
(s1021 1)
(s1022 1)
(s1023 1)
(s1024 1)
(s1025 1)
(s1026 1)
(s1027 1)
(s1028 1)
(s1029 1)
(s1030 1)
(s1031 1)
(s1032 1)
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(s1035 1)
(s1036 1)
(s1037 1)
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(s1057 1)
(s1058 1)
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(s1087 1)
(s1088 1)
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(s1103 1)
(s1104 1)
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(s1119 1)
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(s1170 1)
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(s1194 1)
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(s1197 1)
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(s1200 1)
(s1201 1)
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(s1499 1)
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(s1504 1)
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(s1513 1)
(s1514 1)
(s1515 1)
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(s1519 1)
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(s1534 1)
(s1535 1)
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(s1556 0)
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(s1563 1)
(s1564 1)
(s1565 1)
(s1566 0)
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(s1570 1)
(s1571 1)
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(s1576 1)
(s1577 1)
(s1578 1)
(s1579 1)
(s1580 1)
(s1581 1)
(s1582 1)
(s1583 0)
(s1584 0)
(s1585 0)
(s1586 0)
(s1587 0)
(s1588 0)
(s1589 0)
(s1590 0)
(s1591 0)
(s1592 1)
(s1593 1)
(s1594 1)
(s1595 1)
(s1596 1)
(s1597 1)
(s1598 1)
(s1599 1)
(s1600 1)
(s1601 1)
(s1602 1)
(s1603 1)
(s1604 1)
(s1605 1)
(s1606 1)
(s1607 1)
(s1608 1)
(s1609 1)
(s1610 1)
(s1611 1)
(s1612 1)
(s1613 1)
(s1614 1)
(s1615 1)
(s1616 1)
(s1617 1)
(s1618 1)
(s1619 1)
(s1620 1)
(s1621 1)
(s1622 1)
(s1623 1)
(s1624 1)
(s1625 1)
(s1626 1)
(s1627 1)
(s1628 1)
(s1629 1)
(s1630 1)
(s1631 1)
(s1632 1)
(s1633 1)
(s1634 1)
(s1635 1)
(s1636 1)
(s1637 1)
(s1638 1)
(s1639 1)
(s1640 1)
(s1641 1)
(s1642 1)
(s1643 1)
(s1644 1)
(s1645 1)
(s1646 1)
(s1647 1)
(s1648 1)
(s1649 1)
(s1650 1)
(s1651 1)
(s1652 1)
(s1653 1)
(s1654 1)
(s1655 1)
(s1656 1)
(s1657 1)
(s1658 1)
(s1659 1)
(s1660 1)
(s1661 1)
(s1662 1)
(s1663 1)
(s1664 1)
(s1665 1)
(s1666 1)
(s1667 0)
(s1668 1)
(s1669 1)
(s1670 1)
(s1671 1)
(s1672 1)
(s1673 1)
(s1674 1)
(s1675 1)
(s1676 1)
(s1677 1)
(s1678 1)
(s1679 1)
(s1680 1)
(s1681 0)
(s1682 1)
(s1683 1)
(s1684 1)
(s1685 1)
(s1686 1)
(s1687 1)
(s1688 1)
(s1689 1)
(s1690 0)
(s1691 0)
(s1692 0)
(s1693 0)
(s1694 0)
(s1695 0)
(s1696 0)
(s1697 0)
(s1698 0)
(s1699 0)
(s1700 0)
(s1701 0)
(s1702 0)
(s1703 0)
(s1704 0)
(s1705 0)
(s1706 0)
(s1707 0)
(s1708 0)
(s1709 0)
(s1710 0)
(s1711 0)
(s1712 0)
(s1713 0)
(s1714 0)
(s1715 0)
(s1716 0)
(s1717 0)
(s1718 0)
(s1719 0)
(s1720 0)
(s1721 0)
(s1722 0)
(s1723 0timeout
) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1363/9565 variables, and 90 constraints, problems are : Problem set: 0 solved, 5160 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 90/1273 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3391 constraints, PredecessorRefiner: 0/5160 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64032ms problems are : Problem set: 0 solved, 5160 unsolved
Search for dead transitions found 0 dead transitions in 64044ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78632 ms. Remains : 3391/3391 places, 6174/6174 transitions.
[2026-05-25 11:47:11] [INFO ] Flatten gal took : 392 ms
[2026-05-25 11:47:11] [INFO ] Flatten gal took : 225 ms
[2026-05-25 11:47:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5940907013450907634.gal : 26 ms
[2026-05-25 11:47:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1781533314698912403.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5940907013450907634.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1781533314698912403.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1781533314698912403.prop.
RANDOM walk for 40000 steps (8 resets) in 12106 ms. (3 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1651 ms. (24 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1539 ms. (25 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 42
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :42 after 440
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :440 after 678
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :678 after 3262
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :3262 after 19969
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :19969 after 64389
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :64389 after 4.25619e+06
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4.25619e+06 after 6.2379e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6.2379e+06 after 4.03916e+07
Probabilistic random walk after 231095 steps, saw 230816 distinct states, run finished after 12021 ms. (steps per millisecond=19 ) properties seen :0
[2026-05-25 11:47:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1272/1279 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1279 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2106/3385 variables, 1271/1273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4.03916e+07 after 5.51307e+08
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6174/9565 variables, 3391/4665 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/9565 variables, 0/4665 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9565/9565 variables, and 4665 constraints, problems are : Problem set: 0 solved, 2 unsolved in 5045 ms.
Refiners :[Positive P Invariants (semi-flows): 1273/1273 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 3391/3391 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1272/1279 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1279 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2106/3385 variables, 1271/1273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3385 variables, 0/1273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 6/3391 variables, 1/1274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3391 variables, 0/1274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6174/9565 variables, 3391/4665 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/9565 variables, 2/4667 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/9565 variables, 0/4667 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/9565 variables, 0/4667 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9565/9565 variables, and 4667 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3917 ms.
Refiners :[Positive P Invariants (semi-flows): 1273/1273 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 3391/3391 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8982ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 2131 steps, including 0 resets, run visited all 2 properties in 204 ms. (steps per millisecond=10 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 207 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA HexagonalGrid-PT-816-UpperBounds-13 12 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for HexagonalGrid-PT-816-UpperBounds-13 in 464543 ms.
[2026-05-25 11:47:36] [INFO ] Flatten gal took : 147 ms
Total runtime 2025538 ms.

BK_STOP 1779709656671

--------------------
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="HexagonalGrid-PT-816"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is HexagonalGrid-PT-816, 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 r159-tall-177961079800091"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HexagonalGrid-PT-816.tgz
mv HexagonalGrid-PT-816 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 ;