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-177961079800090.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is HexagonalGrid-PT-516, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079800090
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 11K Mar 7 13:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 7 13:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K 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 3.9K Mar 15 10:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 10:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K Mar 7 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 7 13:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Mar 7 13:31 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 933K 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-516-UpperBounds-00
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-01
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-02
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-03
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-04
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-05
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-06
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-07
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-08
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-09
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-10
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-11
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-12
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-13
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-14
FORMULA_NAME HexagonalGrid-PT-516-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779707622720

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HexagonalGrid-PT-516
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 11:13:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 11:13:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:13:44] [INFO ] Load time of PNML (sax parser for PT used): 158 ms
[2026-05-25 11:13:44] [INFO ] Transformed 1267 places.
[2026-05-25 11:13:44] [INFO ] Transformed 2250 transitions.
[2026-05-25 11:13:44] [INFO ] Parsed PT model containing 1267 places and 2250 transitions and 9000 arcs in 262 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1] 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, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2250 rows 1267 cols
[2026-05-25 11:13:44] [INFO ] Computed 482 invariants in 90 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1] Max Struct:[12, 1, 1, 1, 12, 12, 12, 12, 12, 1, 1, 12, 1, 12, 12, 1]
FORMULA HexagonalGrid-PT-516-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HexagonalGrid-PT-516-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HexagonalGrid-PT-516-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HexagonalGrid-PT-516-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HexagonalGrid-PT-516-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 703 ms. (14 steps per ms)
FORMULA HexagonalGrid-PT-516-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HexagonalGrid-PT-516-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90009 steps (18 resets) in 1168 ms. (76 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 2, 2, 3, 2, 3, 6, 2, 6] Max Struct:[12, 12, 12, 12, 12, 12, 12, 12, 12]
[2026-05-25 11:13:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:13:46] [INFO ] [Real]Absence check using 481 positive place invariants in 109 ms returned sat
[2026-05-25 11:13:46] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 42 ms returned sat
[2026-05-25 11:13:47] [INFO ] [Real]Absence check using state equation in 550 ms returned sat
[2026-05-25 11:13:47] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 127 ms.
[2026-05-25 11:13:51] [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 11:13:51] [INFO ] [Nat]Absence check using 481 positive place invariants in 154 ms returned sat
[2026-05-25 11:13:51] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 45 ms returned sat
[2026-05-25 11:13:52] [INFO ] [Nat]Absence check using state equation in 581 ms returned sat
[2026-05-25 11:13:52] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 153 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:13:56] [INFO ] [Real]Absence check using 481 positive place invariants in 82 ms returned sat
[2026-05-25 11:13:56] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:13:57] [INFO ] [Real]Absence check using state equation in 577 ms returned sat
[2026-05-25 11:13:57] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 100 ms.
[2026-05-25 11:14:01] [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 11:14:01] [INFO ] [Real]Absence check using 481 positive place invariants in 76 ms returned sat
[2026-05-25 11:14:01] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:14:02] [INFO ] [Real]Absence check using state equation in 568 ms returned sat
[2026-05-25 11:14:02] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 107 ms.
[2026-05-25 11:14:06] [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 11:14:06] [INFO ] [Nat]Absence check using 481 positive place invariants in 80 ms returned sat
[2026-05-25 11:14:06] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 40 ms returned sat
[2026-05-25 11:14:07] [INFO ] [Nat]Absence check using state equation in 600 ms returned sat
[2026-05-25 11:14:07] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 76 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 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 11:14:11] [INFO ] [Real]Absence check using 481 positive place invariants in 87 ms returned sat
[2026-05-25 11:14:11] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:14:12] [INFO ] [Real]Absence check using state equation in 561 ms returned sat
[2026-05-25 11:14:12] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 104 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 481 positive place invariants in 84 ms returned sat
[2026-05-25 11:14:16] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 42 ms returned sat
[2026-05-25 11:14:17] [INFO ] [Nat]Absence check using state equation in 610 ms returned sat
[2026-05-25 11:14:17] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 88 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:21] [INFO ] [Real]Absence check using 481 positive place invariants in 77 ms returned sat
[2026-05-25 11:14:21] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 40 ms returned sat
[2026-05-25 11:14:22] [INFO ] [Real]Absence check using state equation in 595 ms returned sat
[2026-05-25 11:14:22] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 97 ms.
[2026-05-25 11:14:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:26] [INFO ] [Real]Absence check using 481 positive place invariants in 80 ms returned sat
[2026-05-25 11:14:26] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:14:27] [INFO ] [Real]Absence check using state equation in 596 ms returned sat
[2026-05-25 11:14:27] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 103 ms.
1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
[2026-05-25 11:14:31] [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 11:14:32] [INFO ] [Nat]Absence check using 481 positive place invariants in 96 ms returned sat
[2026-05-25 11:14:32] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:14:32] [INFO ] [Nat]Absence check using state equation in 571 ms returned sat
[2026-05-25 11:14:32] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 86 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:14:37] [INFO ] [Real]Absence check using 481 positive place invariants in 72 ms returned sat
[2026-05-25 11:14:37] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:14:37] [INFO ] [Real]Absence check using state equation in 529 ms returned sat
[2026-05-25 11:14:37] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 84 ms.
[2026-05-25 11:14:41] [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 11:14:42] [INFO ] [Nat]Absence check using 481 positive place invariants in 77 ms returned sat
[2026-05-25 11:14:42] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 40 ms returned sat
[2026-05-25 11:14:42] [INFO ] [Nat]Absence check using state equation in 589 ms returned sat
[2026-05-25 11:14:42] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 85 ms.
[2026-05-25 11:14:46] [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: Broken pipe ... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
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 11:14:47] [INFO ] [Real]Absence check using 481 positive place invariants in 77 ms returned sat
[2026-05-25 11:14:47] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 40 ms returned sat
[2026-05-25 11:14:47] [INFO ] [Real]Absence check using state equation in 582 ms returned sat
[2026-05-25 11:14:47] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 97 ms.
[2026-05-25 11:14:51] [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 7
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 11:14:52] [INFO ] [Real]Absence check using 481 positive place invariants in 78 ms returned sat
[2026-05-25 11:14:52] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 40 ms returned sat
[2026-05-25 11:14:52] [INFO ] [Real]Absence check using state equation in 609 ms returned sat
[2026-05-25 11:14:52] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 100 ms.
[2026-05-25 11:14:56] [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 11:14:57] [INFO ] [Nat]Absence check using 481 positive place invariants in 73 ms returned sat
[2026-05-25 11:14:57] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:14:57] [INFO ] [Nat]Absence check using state equation in 538 ms returned sat
[2026-05-25 11:14:57] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 93 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 2, 2, 3, 2, 3, 6, 2, 6] Max Struct:[12, 12, 12, 12, 12, 12, 12, 12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 2, 2, 3, 2, 3, 6, 2, 6] Max Struct:[12, 12, 12, 12, 12, 12, 12, 12, 12]
Support contains 9 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 2250/2250 transitions.
Applied a total of 0 rules in 199 ms. Remains 1267 /1267 variables (removed 0) and now considering 2250/2250 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 208 ms. Remains : 1267/1267 places, 2250/2250 transitions.
[2026-05-25 11:15:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 2, 2, 3, 2, 3, 6, 2, 6] Max Struct:[12, 12, 12, 12, 12, 12, 12, 12, 12]
RANDOM walk for 651109 steps (17 resets) in 30001 ms. (21 steps per ms)
FORMULA HexagonalGrid-PT-516-UpperBounds-08 12 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HexagonalGrid-PT-516-UpperBounds-00 12 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3236425 steps (7 resets) in 35019 ms. (92 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 7, 6, 9, 6, 7, 6] Max Struct:[12, 12, 12, 12, 12, 12, 12]
[2026-05-25 11:16:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:16:07] [INFO ] [Real]Absence check using 481 positive place invariants in 70 ms returned sat
[2026-05-25 11:16:07] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 51 ms returned sat
[2026-05-25 11:16:08] [INFO ] [Real]Absence check using state equation in 598 ms returned sat
[2026-05-25 11:16:08] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 93 ms.
[2026-05-25 11:16:15] [INFO ] Added : 323 causal constraints over 65 iterations in 6840 ms. Result :sat
Minimization took 2073 ms.
[2026-05-25 11:16:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:16:17] [INFO ] [Nat]Absence check using 481 positive place invariants in 72 ms returned sat
[2026-05-25 11:16:17] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:16:18] [INFO ] [Nat]Absence check using state equation in 555 ms returned sat
[2026-05-25 11:16:18] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 104 ms.
[2026-05-25 11:16:24] [INFO ] Added : 323 causal constraints over 65 iterations in 6207 ms. Result :sat
Minimization took 2090 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:16:26] [INFO ] [Real]Absence check using 481 positive place invariants in 77 ms returned sat
[2026-05-25 11:16:26] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 38 ms returned sat
[2026-05-25 11:16:27] [INFO ] [Real]Absence check using state equation in 565 ms returned sat
[2026-05-25 11:16:27] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 212 ms.
[2026-05-25 11:16:34] [INFO ] Added : 310 causal constraints over 62 iterations in 6745 ms. Result :sat
Minimization took 2053 ms.
[2026-05-25 11:16:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:16:36] [INFO ] [Nat]Absence check using 481 positive place invariants in 73 ms returned sat
[2026-05-25 11:16:36] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:16:37] [INFO ] [Nat]Absence check using state equation in 574 ms returned sat
[2026-05-25 11:16:37] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 108 ms.
[2026-05-25 11:16:43] [INFO ] Added : 310 causal constraints over 62 iterations in 5986 ms. Result :sat
Minimization took 2063 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:16:45] [INFO ] [Real]Absence check using 481 positive place invariants in 74 ms returned sat
[2026-05-25 11:16:45] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 38 ms returned sat
[2026-05-25 11:16:46] [INFO ] [Real]Absence check using state equation in 532 ms returned sat
[2026-05-25 11:16:46] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 89 ms.
[2026-05-25 11:16:53] [INFO ] Added : 302 causal constraints over 61 iterations in 6767 ms. Result :sat
Minimization took 2191 ms.
[2026-05-25 11:16:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:16:55] [INFO ] [Nat]Absence check using 481 positive place invariants in 74 ms returned sat
[2026-05-25 11:16:55] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:16:56] [INFO ] [Nat]Absence check using state equation in 567 ms returned sat
[2026-05-25 11:16:56] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 102 ms.
[2026-05-25 11:17:02] [INFO ] Added : 302 causal constraints over 61 iterations in 5964 ms. Result :sat
Minimization took 2174 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:05] [INFO ] [Real]Absence check using 481 positive place invariants in 68 ms returned sat
[2026-05-25 11:17:05] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 38 ms returned sat
[2026-05-25 11:17:05] [INFO ] [Real]Absence check using state equation in 543 ms returned sat
[2026-05-25 11:17:05] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 86 ms.
[2026-05-25 11:17:12] [INFO ] Added : 313 causal constraints over 63 iterations in 6585 ms. Result :sat
Minimization took 2066 ms.
[2026-05-25 11:17:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:14] [INFO ] [Nat]Absence check using 481 positive place invariants in 74 ms returned sat
[2026-05-25 11:17:14] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:17:15] [INFO ] [Nat]Absence check using state equation in 537 ms returned sat
[2026-05-25 11:17:15] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 96 ms.
[2026-05-25 11:17:21] [INFO ] Added : 313 causal constraints over 63 iterations in 5907 ms. Result :sat
Minimization took 2076 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:23] [INFO ] [Real]Absence check using 481 positive place invariants in 75 ms returned sat
[2026-05-25 11:17:23] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:17:24] [INFO ] [Real]Absence check using state equation in 551 ms returned sat
[2026-05-25 11:17:24] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 99 ms.
[2026-05-25 11:17:30] [INFO ] Added : 302 causal constraints over 61 iterations in 6346 ms. Result :sat
Minimization took 2060 ms.
[2026-05-25 11:17:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:33] [INFO ] [Nat]Absence check using 481 positive place invariants in 79 ms returned sat
[2026-05-25 11:17:33] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 38 ms returned sat
[2026-05-25 11:17:33] [INFO ] [Nat]Absence check using state equation in 514 ms returned sat
[2026-05-25 11:17:33] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 80 ms.
[2026-05-25 11:17:39] [INFO ] Added : 302 causal constraints over 61 iterations in 6070 ms. Result :sat
Minimization took 2098 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:42] [INFO ] [Real]Absence check using 481 positive place invariants in 69 ms returned sat
[2026-05-25 11:17:42] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 40 ms returned sat
[2026-05-25 11:17:42] [INFO ] [Real]Absence check using state equation in 537 ms returned sat
[2026-05-25 11:17:43] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 89 ms.
[2026-05-25 11:17:50] [INFO ] Added : 317 causal constraints over 64 iterations in 7078 ms. Result :sat
Minimization took 2070 ms.
[2026-05-25 11:17:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:52] [INFO ] [Nat]Absence check using 481 positive place invariants in 75 ms returned sat
[2026-05-25 11:17:52] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:17:53] [INFO ] [Nat]Absence check using state equation in 558 ms returned sat
[2026-05-25 11:17:53] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 102 ms.
[2026-05-25 11:17:59] [INFO ] Added : 317 causal constraints over 64 iterations in 6320 ms. Result :sat
Minimization took 2070 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:18:01] [INFO ] [Real]Absence check using 481 positive place invariants in 89 ms returned sat
[2026-05-25 11:18:01] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:18:02] [INFO ] [Real]Absence check using state equation in 632 ms returned sat
[2026-05-25 11:18:02] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 93 ms.
[2026-05-25 11:18:09] [INFO ] Added : 315 causal constraints over 63 iterations in 6880 ms. Result :sat
Minimization took 2026 ms.
[2026-05-25 11:18:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:18:11] [INFO ] [Nat]Absence check using 481 positive place invariants in 68 ms returned sat
[2026-05-25 11:18:11] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 38 ms returned sat
[2026-05-25 11:18:12] [INFO ] [Nat]Absence check using state equation in 513 ms returned sat
[2026-05-25 11:18:12] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 81 ms.
[2026-05-25 11:18:18] [INFO ] Added : 315 causal constraints over 63 iterations in 6077 ms. Result :sat
Minimization took 2065 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 7, 6, 9, 6, 7, 6] Max Struct:[12, 12, 12, 12, 12, 12, 12]
FORMULA HexagonalGrid-PT-516-UpperBounds-04 12 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA HexagonalGrid-PT-516-UpperBounds-07 12 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA HexagonalGrid-PT-516-UpperBounds-05 12 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11, 8, 11, 11] Max Struct:[12, 12, 12, 12]
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 2250/2250 transitions.
Applied a total of 0 rules in 54 ms. Remains 1267 /1267 variables (removed 0) and now considering 2250/2250 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 1267/1267 places, 2250/2250 transitions.
[2026-05-25 11:20:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[11, 8, 11, 11] Max Struct:[12, 12, 12, 12]
RANDOM walk for 684623 steps (17 resets) in 30001 ms. (22 steps per ms)
BEST_FIRST walk for 1890072 steps (4 resets) in 20010 ms. (94 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11, 8, 11, 11] Max Struct:[12, 12, 12, 12]
[2026-05-25 11:21:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:21:36] [INFO ] [Real]Absence check using 481 positive place invariants in 65 ms returned sat
[2026-05-25 11:21:36] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:21:37] [INFO ] [Real]Absence check using state equation in 501 ms returned sat
[2026-05-25 11:21:37] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 78 ms.
[2026-05-25 11:21:43] [INFO ] Added : 313 causal constraints over 63 iterations in 6275 ms. Result :sat
Minimization took 2120 ms.
[2026-05-25 11:21:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:21:46] [INFO ] [Nat]Absence check using 481 positive place invariants in 74 ms returned sat
[2026-05-25 11:21:46] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:21:46] [INFO ] [Nat]Absence check using state equation in 535 ms returned sat
[2026-05-25 11:21:47] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 83 ms.
[2026-05-25 11:21:52] [INFO ] Added : 313 causal constraints over 63 iterations in 5931 ms. Result :sat
Minimization took 2064 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:21:55] [INFO ] [Real]Absence check using 481 positive place invariants in 71 ms returned sat
[2026-05-25 11:21:55] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 39 ms returned sat
[2026-05-25 11:21:55] [INFO ] [Real]Absence check using state equation in 526 ms returned sat
[2026-05-25 11:21:56] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 94 ms.
[2026-05-25 11:22:02] [INFO ] Added : 306 causal constraints over 62 iterations in 6391 ms. Result :sat
Minimization took 2054 ms.
[2026-05-25 11:22:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:22:04] [INFO ] [Nat]Absence check using 481 positive place invariants in 79 ms returned sat
[2026-05-25 11:22:04] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 40 ms returned sat
[2026-05-25 11:22:05] [INFO ] [Nat]Absence check using state equation in 576 ms returned sat
[2026-05-25 11:22:05] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 89 ms.
[2026-05-25 11:22:11] [INFO ] Added : 306 causal constraints over 62 iterations in 5990 ms. Result :sat
Minimization took 2238 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:22:14] [INFO ] [Real]Absence check using 481 positive place invariants in 71 ms returned sat
[2026-05-25 11:22:14] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 44 ms returned sat
[2026-05-25 11:22:14] [INFO ] [Real]Absence check using state equation in 588 ms returned sat
[2026-05-25 11:22:14] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 95 ms.
[2026-05-25 11:22:21] [INFO ] Added : 330 causal constraints over 66 iterations in 6780 ms. Result :sat
Minimization took 2080 ms.
[2026-05-25 11:22:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:22:24] [INFO ] [Nat]Absence check using 481 positive place invariants in 75 ms returned sat
[2026-05-25 11:22:24] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:22:24] [INFO ] [Nat]Absence check using state equation in 578 ms returned sat
[2026-05-25 11:22:24] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 96 ms.
[2026-05-25 11:22:30] [INFO ] Added : 330 causal constraints over 66 iterations in 6232 ms. Result :sat
Minimization took 2144 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:22:33] [INFO ] [Real]Absence check using 481 positive place invariants in 73 ms returned sat
[2026-05-25 11:22:33] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 42 ms returned sat
[2026-05-25 11:22:34] [INFO ] [Real]Absence check using state equation in 576 ms returned sat
[2026-05-25 11:22:34] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 96 ms.
[2026-05-25 11:22:40] [INFO ] Added : 319 causal constraints over 64 iterations in 6608 ms. Result :sat
Minimization took 2117 ms.
[2026-05-25 11:22:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:22:43] [INFO ] [Nat]Absence check using 481 positive place invariants in 74 ms returned sat
[2026-05-25 11:22:43] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 41 ms returned sat
[2026-05-25 11:22:43] [INFO ] [Nat]Absence check using state equation in 555 ms returned sat
[2026-05-25 11:22:44] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 94 ms.
[2026-05-25 11:22:49] [INFO ] Added : 319 causal constraints over 64 iterations in 5773 ms. Result :sat
Minimization took 2033 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11, 8, 11, 11] Max Struct:[12, 12, 12, 12]
FORMULA HexagonalGrid-PT-516-UpperBounds-13 12 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12, 8, 11] Max Struct:[12, 12, 12]
Support contains 3 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 2250/2250 transitions.
Applied a total of 0 rules in 54 ms. Remains 1267 /1267 variables (removed 0) and now considering 2250/2250 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 1267/1267 places, 2250/2250 transitions.
[2026-05-25 11:24:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[12, 8, 11] Max Struct:[12, 12, 12]
FORMULA HexagonalGrid-PT-516-UpperBounds-06 12 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 677986 steps (15 resets) in 30001 ms. (22 steps per ms)
BEST_FIRST walk for 950970 steps (2 resets) in 10006 ms. (95 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 11] Max Struct:[12, 12]
[2026-05-25 11:25:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:25:06] [INFO ] [Real]Absence check using 481 positive place invariants in 68 ms returned sat
[2026-05-25 11:25:06] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 43 ms returned sat
[2026-05-25 11:25:07] [INFO ] [Real]Absence check using state equation in 518 ms returned sat
[2026-05-25 11:25:07] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 81 ms.
[2026-05-25 11:25:13] [INFO ] Added : 306 causal constraints over 62 iterations in 6521 ms. Result :sat
Minimization took 2077 ms.
[2026-05-25 11:25:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:25:16] [INFO ] [Nat]Absence check using 481 positive place invariants in 73 ms returned sat
[2026-05-25 11:25:16] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 38 ms returned sat
[2026-05-25 11:25:17] [INFO ] [Nat]Absence check using state equation in 561 ms returned sat
[2026-05-25 11:25:17] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 93 ms.
[2026-05-25 11:25:22] [INFO ] Added : 306 causal constraints over 62 iterations in 5760 ms. Result :sat
Minimization took 2169 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:25:25] [INFO ] [Real]Absence check using 481 positive place invariants in 74 ms returned sat
[2026-05-25 11:25:25] [INFO ] [Real]Absence check using 481 positive and 1 generalized place invariants in 43 ms returned sat
[2026-05-25 11:25:26] [INFO ] [Real]Absence check using state equation in 617 ms returned sat
[2026-05-25 11:25:26] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 92 ms.
[2026-05-25 11:25:32] [INFO ] Added : 319 causal constraints over 64 iterations in 6580 ms. Result :sat
Minimization took 2130 ms.
[2026-05-25 11:25:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:25:35] [INFO ] [Nat]Absence check using 481 positive place invariants in 76 ms returned sat
[2026-05-25 11:25:35] [INFO ] [Nat]Absence check using 481 positive and 1 generalized place invariants in 42 ms returned sat
[2026-05-25 11:25:35] [INFO ] [Nat]Absence check using state equation in 545 ms returned sat
[2026-05-25 11:25:35] [INFO ] Computed and/alt/rep : 1884/1884/1884 causal constraints (skipped 0 transitions) in 78 ms.
[2026-05-25 11:25:41] [INFO ] Added : 319 causal constraints over 64 iterations in 5817 ms. Result :sat
Minimization took 2048 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 11] Max Struct:[12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 11] Max Struct:[12, 12]
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 2250/2250 transitions.
Applied a total of 0 rules in 47 ms. Remains 1267 /1267 variables (removed 0) and now considering 2250/2250 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 1267/1267 places, 2250/2250 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 2250/2250 transitions.
Applied a total of 0 rules in 43 ms. Remains 1267 /1267 variables (removed 0) and now considering 2250/2250 (removed 0) transitions.
[2026-05-25 11:26:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:26:27] [INFO ] Implicit Places using invariants in 846 ms returned []
[2026-05-25 11:26:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:26:29] [INFO ] Implicit Places using invariants and state equation in 2112 ms returned []
Implicit Place search using SMT with State Equation took 2960 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:26:29] [INFO ] Redundant transitions in 118 ms returned []
Running 1884 sub problems to find dead transitions.
[2026-05-25 11:26:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/535 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 1884 unsolved
Error getting values : (error "ParserException while parsing response: ((s366 1.0)
(s367 1.0)
(s368 1.0)
(s369 1.0)
(s370 1.0)
(s371 1.0)
(s372 1.0)
(s373 1.0)
(s374 1.0)
(s375 1.0)
(s376 1.0)
(s377 1.0)
(s378 1.0)
(s379 1.0)
(s380 1.0)
(s381 1.0)
(s382 1.0)
(s383 1.0)
(s384 1.0)
(s385 1.0)
(s386 1.0)
(s387 1.0)
(s388 1.0)
(s389 1.0)
(s390 1.0)
(s391 1.0)
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(s393 1.0)
(s394 1.0)
(s395 1.0)
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(s400 1.0)
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(s405 1.0)
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(s407 1.0)
(s408 1.0)
(s409 1.0)
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(s412 1.0)
(s413 1.0)
(s414 1.0)
(s415 1.0)
(s416 1.0)
(s417 1.0)
(s418 1.0)
(s419 1.0)
(s420 1.0)
(s421 1.0)
(s422 1.0)
(s423 1.0)
(s424 1.0)
(s425 1.0)
(s426 1.0)
(s427 1.0)
(s428 1.0)
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(s430 1.0)
(s431 1.0)
(s432 1.0)
(s433 1.0)
(s434 1.0)
(s435 1.0)
(s436 1.0)
(s437 1.0)
(s438 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 535/3517 variables, and 54 constraints, problems are : Problem set: 0 solved, 1884 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 54/481 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1267 constraints, PredecessorRefiner: 1884/1884 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1884 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/535 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 1884 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/535 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1884 unsolved
At refinement iteration 2 (OVERLAPS) 726/1261 variables, 427/481 constraints. Problems are: Problem set: 0 solved, 1884 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s404 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1261/3517 variables, and 481 constraints, problems are : Problem set: 0 solved, 1884 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 481/481 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1267 constraints, PredecessorRefiner: 0/1884 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61023ms problems are : Problem set: 0 solved, 1884 unsolved
Search for dead transitions found 0 dead transitions in 61043ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64195 ms. Remains : 1267/1267 places, 2250/2250 transitions.
[2026-05-25 11:27:31] [INFO ] Flatten gal took : 452 ms
[2026-05-25 11:27:31] [INFO ] Flatten gal took : 220 ms
RANDOM walk for 40000 steps (8 resets) in 4133 ms. (9 steps per ms) remains 4/4 properties
[2026-05-25 11:27:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18262227807076103773.gal : 61 ms
[2026-05-25 11:27:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1579708679634479983.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/ReachabilityCardinality18262227807076103773.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1579708679634479983.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
BEST_FIRST walk for 40004 steps (8 resets) in 960 ms. (41 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality1579708679634479983.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 737 ms. (54 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 679 ms. (58 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 633 ms. (63 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :6 after 25
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :25 after 160
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :160 after 1752
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :1752 after 759200
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :759200 after 6.51802e+06
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :6.51802e+06 after 4.11726e+07
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :4.11726e+07 after 1.03035e+08
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1.03035e+08 after 9.89789e+09
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :9.89789e+09 after 1.31034e+10
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :1.31034e+10 after 8.87643e+11
Interrupted probabilistic random walk after 205875 steps, run timeout after 6019 ms. (steps per millisecond=34 ) properties seen :0 out of 4
Probabilistic random walk after 205875 steps, saw 205389 distinct states, run finished after 6024 ms. (steps per millisecond=34 ) properties seen :0
[2026-05-25 11:27:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 12/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 479/493 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/493 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 768/1261 variables, 478/481 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1261 variables, 0/481 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 6/1267 variables, 1/482 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1267 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2250/3517 variables, 1267/1749 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3517 variables, 0/1749 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/3517 variables, 0/1749 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3517/3517 variables, and 1749 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2429 ms.
Refiners :[Positive P Invariants (semi-flows): 481/481 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 1267/1267 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 12/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 479/493 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/493 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 768/1261 variables, 478/481 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1261 variables, 0/481 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 6/1267 variables, 1/482 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1267 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2250/3517 variables, 1267/1749 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3517 variables, 4/1753 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3517 variables, 0/1753 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/3517 variables, 0/1753 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3517/3517 variables, and 1753 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2117 ms.
Refiners :[Positive P Invariants (semi-flows): 481/481 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 1267/1267 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4563ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Finished Parikh walk after 1080 steps, including 0 resets, run visited all 4 properties in 55 ms. (steps per millisecond=19 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 66 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA HexagonalGrid-PT-516-UpperBounds-14 12 TECHNIQUES REACHABILITY_MAX
FORMULA HexagonalGrid-PT-516-UpperBounds-11 12 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 2 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 839472 ms.

BK_STOP 1779708463616

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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-516"
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-516, 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-177961079800090"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HexagonalGrid-PT-516.tgz
mv HexagonalGrid-PT-516 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 ;