Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067600509.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DoubleExponent-PT-100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067600509
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 9.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.8M May 29 14:32 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-00
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-01
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-02
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-03
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-04
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-05
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-06
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-07
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-08
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-09
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-10
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-11
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-12
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-13
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-14
FORMULA_NAME DoubleExponent-PT-100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748748664992

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleExponent-PT-100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 03:31:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 03:31:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 03:31:06] [INFO ] Load time of PNML (sax parser for PT used): 196 ms
[2025-06-01 03:31:06] [INFO ] Transformed 5304 places.
[2025-06-01 03:31:06] [INFO ] Transformed 4998 transitions.
[2025-06-01 03:31:06] [INFO ] Parsed PT model containing 5304 places and 4998 transitions and 14094 arcs in 323 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 4998 rows 5304 cols
[2025-06-01 03:31:07] [INFO ] Invariants computation overflowed in 264 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (335 resets) in 54 ms. (181 steps per ms)
BEST_FIRST walk for 160003 steps (4481 resets) in 512 ms. (311 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 4998 rows 5304 cols
[2025-06-01 03:31:08] [INFO ] Invariants computation overflowed in 167 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:13] [INFO ] [Real]Absence check using state equation in 4308 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:16] [INFO ] [Real]Absence check using state equation in 2491 ms returned sat
[2025-06-01 03:31:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:19] [INFO ] [Nat]Absence check using state equation in 2398 ms returned sat
[2025-06-01 03:31:19] [INFO ] Computed and/alt/rep : 4997/9693/4997 causal constraints (skipped 0 transitions) in 220 ms.
[2025-06-01 03:31:21] [INFO ] Added : 5 causal constraints over 1 iterations in 1472 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:26] [INFO ] [Real]Absence check using state equation in 4566 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:29] [INFO ] [Real]Absence check using state equation in 2602 ms returned sat
[2025-06-01 03:31:29] [INFO ] Computed and/alt/rep : 4997/9693/4997 causal constraints (skipped 0 transitions) in 202 ms.
[2025-06-01 03:31:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:33] [INFO ] [Nat]Absence check using state equation in 2673 ms returned sat
[2025-06-01 03:31:33] [INFO ] Computed and/alt/rep : 4997/9693/4997 causal constraints (skipped 0 transitions) in 206 ms.
[2025-06-01 03:31:35] [INFO ] Added : 25 causal constraints over 5 iterations in 1654 ms. Result :sat
Minimization took 82 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:37] [INFO ] [Real]Absence check using state equation in 1729 ms returned sat
[2025-06-01 03:31:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:39] [INFO ] [Nat]Absence check using state equation in 1690 ms returned sat
[2025-06-01 03:31:40] [INFO ] Computed and/alt/rep : 4997/9693/4997 causal constraints (skipped 0 transitions) in 199 ms.
[2025-06-01 03:31:42] [INFO ] Added : 15 causal constraints over 3 iterations in 2696 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:47] [INFO ] [Real]Absence check using state equation in 4571 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:52] [INFO ] [Real]Absence check using state equation in 4575 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:31:57] [INFO ] [Real]Absence check using state equation in 4567 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:00] [INFO ] [Real]Absence check using state equation in 2320 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 03:32:04] [INFO ] Deduced a trap composed of 103 places in 3467 ms of which 597 ms to minimize.
[2025-06-01 03:32:04] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 8
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:09] [INFO ] [Real]Absence check using state equation in 4584 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:12] [INFO ] [Real]Absence check using state equation in 2932 ms returned sat
[2025-06-01 03:32:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:16] [INFO ] [Nat]Absence check using state equation in 2937 ms returned sat
[2025-06-01 03:32:16] [INFO ] Computed and/alt/rep : 4997/9693/4997 causal constraints (skipped 0 transitions) in 201 ms.
[2025-06-01 03:32:17] [INFO ] Added : 15 causal constraints over 3 iterations in 1470 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:22] [INFO ] [Real]Absence check using state equation in 4561 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:27] [INFO ] [Real]Absence check using state equation in 4563 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:32] [INFO ] [Real]Absence check using state equation in 4582 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:36] [INFO ] [Real]Absence check using state equation in 2790 ms returned sat
[2025-06-01 03:32:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:41] [INFO ] [Nat]Absence check using state equation in 4561 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:43] [INFO ] [Real]Absence check using state equation in 1469 ms returned sat
[2025-06-01 03:32:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 03:32:45] [INFO ] [Nat]Absence check using state equation in 1470 ms returned sat
[2025-06-01 03:32:45] [INFO ] Computed and/alt/rep : 4997/9693/4997 causal constraints (skipped 0 transitions) in 223 ms.
[2025-06-01 03:32:47] [INFO ] Added : 5 causal constraints over 1 iterations in 1483 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 16 out of 5304 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5304/5304 places, 4998/4998 transitions.
Graph (complete) has 9096 edges and 5304 vertex of which 5298 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.14 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1185 transitions
Trivial Post-agglo rules discarded 1185 transitions
Performed 1185 trivial Post agglomeration. Transition count delta: 1185
Iterating post reduction 0 with 1188 rules applied. Total rules applied 1189 place count 5297 transition count 3811
Reduce places removed 1185 places and 0 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Iterating post reduction 1 with 1194 rules applied. Total rules applied 2383 place count 4112 transition count 3802
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 2392 place count 4103 transition count 3802
Performed 203 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 203 Pre rules applied. Total rules applied 2392 place count 4103 transition count 3599
Deduced a syphon composed of 203 places in 158 ms
Reduce places removed 203 places and 0 transitions.
Iterating global reduction 3 with 406 rules applied. Total rules applied 2798 place count 3900 transition count 3599
Performed 896 Post agglomeration using F-continuation condition.Transition count delta: 896
Deduced a syphon composed of 896 places in 61 ms
Reduce places removed 896 places and 0 transitions.
Iterating global reduction 3 with 1792 rules applied. Total rules applied 4590 place count 3004 transition count 2703
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 101 places in 59 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 3 with 202 rules applied. Total rules applied 4792 place count 2903 transition count 2703
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 91 places in 91 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 3 with 182 rules applied. Total rules applied 4974 place count 2812 transition count 2703
Free-agglomeration rule applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 4977 place count 2812 transition count 2700
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4980 place count 2809 transition count 2700
Free-agglomeration rule (complex) applied 398 times.
Iterating global reduction 4 with 398 rules applied. Total rules applied 5378 place count 2809 transition count 2302
Reduce places removed 398 places and 0 transitions.
Iterating post reduction 4 with 398 rules applied. Total rules applied 5776 place count 2411 transition count 2302
Partial Free-agglomeration rule applied 400 times.
Drop transitions (Partial Free agglomeration) removed 400 transitions
Iterating global reduction 5 with 400 rules applied. Total rules applied 6176 place count 2411 transition count 2302
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 6177 place count 2410 transition count 2301
Applied a total of 6177 rules in 2256 ms. Remains 2410 /5304 variables (removed 2894) and now considering 2301/4998 (removed 2697) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2264 ms. Remains : 2410/5304 places, 2301/4998 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {277=1, 389=1, 412=1, 696=1, 715=1, 1045=1, 1372=1, 1998=1, 2177=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {277=1, 389=1, 412=1, 696=1, 715=1, 1045=1, 1372=1, 1998=1, 2177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1270 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 16) seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2301 rows 2410 cols
[2025-06-01 03:43:02] [INFO ] Invariants computation overflowed in 44 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (128376 resets) in 1808 ms. (552 steps per ms)
BEST_FIRST walk for 16000008 steps (1357078 resets) in 17315 ms. (924 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2301 rows 2410 cols
[2025-06-01 03:43:21] [INFO ] Invariants computation overflowed in 48 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:43:23] [INFO ] [Real]Absence check using state equation in 1008 ms returned sat
[2025-06-01 03:43:23] [INFO ] State equation strengthened by 395 read => feed constraints.
[2025-06-01 03:43:27] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:43:31] [INFO ] [Real]Added 395 Read/Feed constraints in 8128 ms returned sat
[2025-06-01 03:43:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:43:32] [INFO ] [Nat]Absence check using state equation in 1014 ms returned sat
[2025-06-01 03:43:37] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:43:41] [INFO ] [Nat]Added 395 Read/Feed constraints in 9060 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:43:51] [INFO ] [Real]Absence check using state equation in 9540 ms returned sat
[2025-06-01 03:43:55] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:44:00] [INFO ] [Real]Added 395 Read/Feed constraints in 9042 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:44:39] [INFO ] [Real]Absence check using state equation in 39241 ms returned sat
[2025-06-01 03:44:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:45:19] [INFO ] [Nat]Absence check using state equation in 39189 ms returned sat
[2025-06-01 03:45:24] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:45:25] [INFO ] [Nat]Added 395 Read/Feed constraints in 5604 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:46:03] [INFO ] [Real]Absence check using state equation in 37917 ms returned sat
[2025-06-01 03:46:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:46:10] [INFO ] [Real]Added 395 Read/Feed constraints in 6831 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:46:20] [INFO ] [Real]Absence check using state equation in 10120 ms returned sat
[2025-06-01 03:46:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:46:39] [INFO ] [Nat]Absence check using state equation in 18866 ms returned sat
[2025-06-01 03:46:45] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:46:50] [INFO ] [Nat]Added 395 Read/Feed constraints in 10792 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:46:55] [INFO ] [Real]Absence check using state equation in 4681 ms returned sat
[2025-06-01 03:46:59] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:47:08] [INFO ] [Real]Added 395 Read/Feed constraints in 12896 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:47:24] [INFO ] [Real]Absence check using state equation in 15646 ms returned sat
[2025-06-01 03:47:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:47:40] [INFO ] [Nat]Absence check using state equation in 16030 ms returned sat
[2025-06-01 03:47:45] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:48:05] [INFO ] [Nat]Added 395 Read/Feed constraints in 24601 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:48:12] [INFO ] [Real]Absence check using state equation in 6799 ms returned sat
[2025-06-01 03:48:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:48:26] [INFO ] [Nat]Absence check using state equation in 14341 ms returned sat
[2025-06-01 03:48:31] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:48:42] [INFO ] [Nat]Added 395 Read/Feed constraints in 15364 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:48:43] [INFO ] [Real]Absence check using state equation in 990 ms returned sat
[2025-06-01 03:48:47] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:48:52] [INFO ] [Real]Added 395 Read/Feed constraints in 9047 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:49:28] [INFO ] [Real]Absence check using state equation in 35492 ms returned sat
[2025-06-01 03:49:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:50:04] [INFO ] [Nat]Absence check using state equation in 36337 ms returned sat
[2025-06-01 03:50:09] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:50:13] [INFO ] [Nat]Added 395 Read/Feed constraints in 8439 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:50:19] [INFO ] [Real]Absence check using state equation in 5966 ms returned sat
[2025-06-01 03:50:24] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:50:32] [INFO ] [Real]Added 395 Read/Feed constraints in 13477 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:50:37] [INFO ] [Real]Absence check using state equation in 4783 ms returned sat
[2025-06-01 03:50:40] [INFO ] [Real]Added 395 Read/Feed constraints in 2857 ms returned sat
[2025-06-01 03:50:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:50:42] [INFO ] [Nat]Absence check using state equation in 1604 ms returned sat
[2025-06-01 03:50:47] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:50:51] [INFO ] [Nat]Added 395 Read/Feed constraints in 9096 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:50:55] [INFO ] [Real]Absence check using state equation in 3767 ms returned sat
[2025-06-01 03:51:01] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:51:01] [INFO ] [Real]Added 395 Read/Feed constraints in 5961 ms returned sat
[2025-06-01 03:51:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:51:05] [INFO ] [Nat]Absence check using state equation in 3803 ms returned sat
[2025-06-01 03:51:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:51:15] [INFO ] [Nat]Added 395 Read/Feed constraints in 9089 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:51:29] [INFO ] [Real]Absence check using state equation in 14682 ms returned sat
[2025-06-01 03:51:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:51:58] [INFO ] [Nat]Absence check using state equation in 28098 ms returned sat
[2025-06-01 03:52:02] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:52:07] [INFO ] [Nat]Added 395 Read/Feed constraints in 9196 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:52:24] [INFO ] [Real]Absence check using state equation in 17098 ms returned sat
[2025-06-01 03:52:25] [INFO ] [Real]Added 395 Read/Feed constraints in 938 ms returned sat
[2025-06-01 03:52:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:52:48] [INFO ] [Nat]Absence check using state equation in 22324 ms returned sat
[2025-06-01 03:52:59] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:53:04] [INFO ] [Nat]Added 395 Read/Feed constraints in 15715 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 03:53:14] [INFO ] [Real]Absence check using state equation in 10282 ms returned sat
[2025-06-01 03:53:19] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 03:53:23] [INFO ] [Real]Added 395 Read/Feed constraints in 9072 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 16 out of 2410 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2410/2410 places, 2301/2301 transitions.
Applied a total of 0 rules in 147 ms. Remains 2410 /2410 variables (removed 0) and now considering 2301/2301 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 2410/2410 places, 2301/2301 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2410/2410 places, 2301/2301 transitions.
Applied a total of 0 rules in 146 ms. Remains 2410 /2410 variables (removed 0) and now considering 2301/2301 (removed 0) transitions.
// Phase 1: matrix 2301 rows 2410 cols
[2025-06-01 03:54:27] [INFO ] Invariants computation overflowed in 53 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 03:54:38] [INFO ] Implicit Places using invariants in 11674 ms returned []
// Phase 1: matrix 2301 rows 2410 cols
[2025-06-01 03:54:38] [INFO ] Invariants computation overflowed in 40 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 03:54:40] [INFO ] State equation strengthened by 395 read => feed constraints.
[2025-06-01 03:57:19] [INFO ] Performed 25/2410 implicitness test of which 2 returned IMPLICIT in 158 seconds.
[2025-06-01 03:57:19] [INFO ] Implicit Places using invariants and state equation in 160097 ms returned [19, 25]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 171785 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 2408/2410 places, 2301/2301 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 2408 transition count 2300
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 2407 transition count 2300
Applied a total of 2 rules in 288 ms. Remains 2407 /2408 variables (removed 1) and now considering 2300/2301 (removed 1) transitions.
// Phase 1: matrix 2300 rows 2407 cols
[2025-06-01 03:57:19] [INFO ] Invariants computation overflowed in 66 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 03:57:30] [INFO ] Implicit Places using invariants in 11636 ms returned []
// Phase 1: matrix 2300 rows 2407 cols
[2025-06-01 03:57:31] [INFO ] Invariants computation overflowed in 74 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 03:57:33] [INFO ] State equation strengthened by 395 read => feed constraints.
[2025-06-01 03:58:08] [INFO ] Performed 27/2407 implicitness test of which 0 returned IMPLICIT in 34 seconds.
[2025-06-01 03:59:12] [INFO ] Performed 28/2407 implicitness test of which 0 returned IMPLICIT in 98 seconds.
[2025-06-01 03:59:54] [INFO ] Performed 29/2407 implicitness test of which 0 returned IMPLICIT in 141 seconds.
[2025-06-01 03:59:54] [INFO ] Timeout of Implicit test with SMT after 141 seconds.
[2025-06-01 03:59:54] [INFO ] Implicit Places using invariants and state equation in 143984 ms returned []
Implicit Place search using SMT with State Equation took 155622 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 2407/2410 places, 2300/2301 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 327858 ms. Remains : 2407/2410 places, 2300/2301 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {277=1, 389=1, 412=1, 454=1, 462=1, 489=1, 693=1, 712=1, 1040=1, 1285=1, 1371=1, 2019=1, 2070=1, 2174=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {277=1, 389=1, 412=1, 454=1, 462=1, 489=1, 693=1, 712=1, 1040=1, 1285=1, 1371=1, 2019=1, 2070=1, 2174=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 1288 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 16) seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2300 rows 2407 cols
[2025-06-01 04:10:09] [INFO ] Invariants computation overflowed in 64 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (128122 resets) in 1615 ms. (618 steps per ms)
BEST_FIRST walk for 16000003 steps (1356265 resets) in 17333 ms. (923 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2300 rows 2407 cols
[2025-06-01 04:10:28] [INFO ] Invariants computation overflowed in 72 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:10:34] [INFO ] [Real]Absence check using state equation in 5294 ms returned sat
[2025-06-01 04:10:34] [INFO ] State equation strengthened by 395 read => feed constraints.
[2025-06-01 04:10:38] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:10:38] [INFO ] [Real]Added 395 Read/Feed constraints in 4782 ms returned sat
[2025-06-01 04:10:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:10:44] [INFO ] [Nat]Absence check using state equation in 5223 ms returned sat
[2025-06-01 04:10:49] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:10:53] [INFO ] [Nat]Added 395 Read/Feed constraints in 9234 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:10:58] [INFO ] [Real]Absence check using state equation in 4475 ms returned sat
[2025-06-01 04:11:02] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:11:07] [INFO ] [Real]Added 395 Read/Feed constraints in 9210 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:11:27] [INFO ] [Real]Absence check using state equation in 20015 ms returned sat
[2025-06-01 04:11:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:11:48] [INFO ] [Nat]Absence check using state equation in 19958 ms returned sat
[2025-06-01 04:11:52] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:12:12] [INFO ] [Nat]Added 395 Read/Feed constraints in 24843 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:12:18] [INFO ] [Real]Absence check using state equation in 5184 ms returned sat
[2025-06-01 04:12:22] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:12:28] [INFO ] [Real]Added 395 Read/Feed constraints in 9630 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:12:48] [INFO ] [Real]Absence check using state equation in 20579 ms returned sat
[2025-06-01 04:12:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:12:51] [INFO ] [Nat]Absence check using state equation in 2427 ms returned sat
[2025-06-01 04:12:56] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:13:09] [INFO ] [Nat]Added 395 Read/Feed constraints in 18156 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:13:41] [INFO ] [Real]Absence check using state equation in 31772 ms returned sat
[2025-06-01 04:13:47] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:13:52] [INFO ] [Real]Added 395 Read/Feed constraints in 10502 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:14:05] [INFO ] [Real]Absence check using state equation in 12965 ms returned sat
[2025-06-01 04:14:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:14:18] [INFO ] [Nat]Absence check using state equation in 12952 ms returned sat
[2025-06-01 04:14:23] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:14:50] [INFO ] [Nat]Added 395 Read/Feed constraints in 31846 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:15:02] [INFO ] [Real]Absence check using state equation in 11852 ms returned sat
[2025-06-01 04:15:07] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:15:11] [INFO ] [Real]Added 395 Read/Feed constraints in 9033 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:15:15] [INFO ] [Real]Absence check using state equation in 3477 ms returned sat
[2025-06-01 04:15:20] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:15:21] [INFO ] [Real]Added 395 Read/Feed constraints in 6097 ms returned sat
[2025-06-01 04:15:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:15:25] [INFO ] [Nat]Absence check using state equation in 3466 ms returned sat
[2025-06-01 04:15:29] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:15:34] [INFO ] [Nat]Added 395 Read/Feed constraints in 9357 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:16:19] [INFO ] [Real]Absence check using state equation in 44830 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:16:25] [INFO ] [Real]Absence check using state equation in 5960 ms returned sat
[2025-06-01 04:16:31] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:16:37] [INFO ] [Real]Added 395 Read/Feed constraints in 11781 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:16:39] [INFO ] [Real]Absence check using state equation in 1080 ms returned sat
[2025-06-01 04:16:43] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:16:46] [INFO ] [Real]Added 395 Read/Feed constraints in 7397 ms returned sat
[2025-06-01 04:16:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:16:50] [INFO ] [Nat]Absence check using state equation in 3724 ms returned sat
[2025-06-01 04:16:55] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:16:59] [INFO ] [Nat]Added 395 Read/Feed constraints in 9403 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:17:05] [INFO ] [Real]Absence check using state equation in 5179 ms returned sat
[2025-06-01 04:17:09] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:17:11] [INFO ] [Real]Added 395 Read/Feed constraints in 6491 ms returned sat
[2025-06-01 04:17:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:17:16] [INFO ] [Nat]Absence check using state equation in 4473 ms returned sat
[2025-06-01 04:17:21] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:17:25] [INFO ] [Nat]Added 395 Read/Feed constraints in 9094 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:17:45] [INFO ] [Real]Absence check using state equation in 19715 ms returned sat
[2025-06-01 04:17:50] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:18:00] [INFO ] [Real]Added 395 Read/Feed constraints in 14812 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:34] [INFO ] [Real]Absence check using state equation in 33482 ms returned sat
[2025-06-01 04:18:35] [INFO ] [Real]Added 395 Read/Feed constraints in 961 ms returned sat
[2025-06-01 04:18:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:40] [INFO ] [Nat]Absence check using state equation in 5236 ms returned sat
[2025-06-01 04:18:45] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:18:49] [INFO ] [Nat]Added 395 Read/Feed constraints in 9086 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:00] [INFO ] [Real]Absence check using state equation in 10826 ms returned sat
[2025-06-01 04:19:06] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 04:19:11] [INFO ] [Real]Added 395 Read/Feed constraints in 10419 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 16 out of 2407 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2407/2407 places, 2300/2300 transitions.
Applied a total of 0 rules in 143 ms. Remains 2407 /2407 variables (removed 0) and now considering 2300/2300 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 2407/2407 places, 2300/2300 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2407/2407 places, 2300/2300 transitions.
Applied a total of 0 rules in 140 ms. Remains 2407 /2407 variables (removed 0) and now considering 2300/2300 (removed 0) transitions.
// Phase 1: matrix 2300 rows 2407 cols
[2025-06-01 04:19:41] [INFO ] Invariants computation overflowed in 73 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:19:53] [INFO ] Implicit Places using invariants in 11465 ms returned []
// Phase 1: matrix 2300 rows 2407 cols
[2025-06-01 04:19:53] [INFO ] Invariants computation overflowed in 66 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:19:55] [INFO ] State equation strengthened by 395 read => feed constraints.
[2025-06-01 04:20:30] [INFO ] Performed 27/2407 implicitness test of which 0 returned IMPLICIT in 34 seconds.
[2025-06-01 04:21:33] [INFO ] Performed 28/2407 implicitness test of which 0 returned IMPLICIT in 97 seconds.
[2025-06-01 04:22:16] [INFO ] Performed 29/2407 implicitness test of which 0 returned IMPLICIT in 140 seconds.
[2025-06-01 04:22:16] [INFO ] Timeout of Implicit test with SMT after 140 seconds.
[2025-06-01 04:22:16] [INFO ] Implicit Places using invariants and state equation in 143590 ms returned []
Implicit Place search using SMT with State Equation took 155056 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:22:16] [INFO ] Redundant transitions in 158 ms returned []
Running 2299 sub problems to find dead transitions.
// Phase 1: matrix 2300 rows 2407 cols
[2025-06-01 04:22:17] [INFO ] Invariants computation overflowed in 64 ms
[2025-06-01 04:22:17] [INFO ] State equation strengthened by 395 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2406/4707 variables, and 0 constraints, problems are : Problem set: 0 solved, 2299 unsolved in 30047 ms.
Refiners :[State Equation: 0/2407 constraints, ReadFeed: 0/395 constraints, PredecessorRefiner: 2299/1852 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2299 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1)
(s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 1)
(s42 1)
(s43 1)
(s44 1)
(s45 1)
(s46 1)
(s47 1)
(s48 1)
(s49 1)
(s50 1)
(s51 1)
(s52 1)
(s53 1)
(s54 1)
(s55 1)
(s56 1)
(s57 1)
(s58 1)
(s59 1)
(s60 1)
(s61 1)
(s62 1)
(s63 1)
(s64 1)
(s65 1)
(s66 1)
(s67 1)
(s68 1)
(s69 1)
(s70 1)
(s71 1)
(s72 1)
(s73 1)
(s74 1)
(s75 1)
(s76 1)
(s77 1)
(s78 1)
(s79 1)
(s80 1)
(s81 1)
(s82 1)
(s83 1)
(s84 1)
(s85 1)
(s86 1)
(s87 1)
(s88 1)
(s89 1)
(s90 1)
(s91 1)
(s92 1)
(s93 1)
(s94 1)
(s95 1)
(s96 1)
(s97 1)
(s98 1)
(s99 1)
(s100 1)
(s101 1)
(s102 1)
(s103 1)
(s104 1)
(s105 1)
(s106 1)
(s107 1)
(s108 1)
(s109 1)
(s110 1)
(s111 1)
(s112 1)
(s113 1)
(s114 1)
(s115 1)
(s116 1)
(s117 1)
(s118 1)
(s119 1)
(s120 1)
(s121 1)
(s122 1)
(s123 1)
(s124 1)
(s125 1)
(s126 1)
(s127 1)
(s128 1)
(s129 1)
(s130 1)
(s131 1)
(s132 1)
(s133 1)
(s134 1)
(s135 1)
(s136 1)
(s137 1)
(s138 1)
(s139 1)
(s140 1)
(s141 1)
(s142 1)
(s143 1)
(s144 1)
(s145 1)
(s146 1)
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(s2156 timeout
1)
(s2157 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2406/4707 variables, and 0 constraints, problems are : Problem set: 0 solved, 2299 unsolved in 30039 ms.
Refiners :[State Equation: 0/2407 constraints, ReadFeed: 0/395 constraints, PredecessorRefiner: 447/1852 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62029ms problems are : Problem set: 0 solved, 2299 unsolved
Search for dead transitions found 0 dead transitions in 62079ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 217468 ms. Remains : 2407/2407 places, 2300/2300 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {277=1, 389=1, 412=1, 454=1, 462=1, 489=1, 693=1, 712=1, 1040=1, 1285=1, 1371=1, 2019=1, 2070=1, 2174=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ 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="DoubleExponent-PT-100"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is DoubleExponent-PT-100, 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 r072-tall-174860067600509"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-100.tgz
mv DoubleExponent-PT-100 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 ;