Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854029100813.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 DatabaseWithMutex-COL-20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854029100813
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K 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 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 38K 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 DatabaseWithMutex-COL-20-UpperBounds-00
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-01
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-02
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-03
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-04
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-05
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-06
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-07
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-08
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-09
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-10
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-11
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-12
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-13
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-14
FORMULA_NAME DatabaseWithMutex-COL-20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748661756923

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-COL-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2025-05-31 03:22:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 03:22:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 03:22:38] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-05-31 03:22:38] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-05-31 03:22:38] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 546 ms
[2025-05-31 03:22:38] [INFO ] Imported 11 HL places and 8 HL transitions for a total of 3260 PT places and 3200.0 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Reduction of identical properties reduced properties to check from 16 to 9
[2025-05-31 03:22:38] [INFO ] Built PT skeleton of HLPN with 11 places and 8 transitions 22 arcs in 4 ms.
[2025-05-31 03:22:38] [INFO ] Skeletonized 9 HLPN properties in 0 ms.
// Phase 1: matrix 8 rows 11 cols
[2025-05-31 03:22:38] [INFO ] Computed 4 invariants in 3 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 20, 20, 0, 0, 0, 0, 20, 0] Max Struct:[20, 20, 20, 20, 20, 380, 380, 40, 380]
FORMULA DatabaseWithMutex-COL-20-UpperBounds-14 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-20-UpperBounds-02 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-20-UpperBounds-15 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-20-UpperBounds-01 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2025-05-31 03:22:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:38] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-05-31 03:22:38] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-05-31 03:22:39] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 2 ms.
[2025-05-31 03:22:39] [INFO ] Added : 2 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 14 ms.
[2025-05-31 03:22:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-05-31 03:22:39] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 2 ms.
[2025-05-31 03:22:39] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 3 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-05-31 03:22:39] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 2 ms.
[2025-05-31 03:22:39] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 4 ms.
[2025-05-31 03:22:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-05-31 03:22:39] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 1 ms.
[2025-05-31 03:22:39] [INFO ] Added : 4 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 3 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-05-31 03:22:39] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 3 ms.
[2025-05-31 03:22:39] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 3 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 7 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-05-31 03:22:39] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 7 ms.
[2025-05-31 03:22:39] [INFO ] Added : 5 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 17 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-05-31 03:22:39] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 1 ms.
[2025-05-31 03:22:39] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 03:22:39] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-05-31 03:22:39] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 1 ms.
[2025-05-31 03:22:39] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 3 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 20, 0] Max Struct:[20, 20, 20, 380, 380, 20, 380]
FORMULA DatabaseWithMutex-COL-20-UpperBounds-11 20 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
Transition Release forces synchronizations/join behavior on parameter s of sort site
Transition Acquire forces synchronizations/join behavior on parameter f of sort file
[2025-05-31 03:22:39] [INFO ] Unfolded HLPN to a Petri net with 3260 places and 3200 transitions 23200 arcs in 95 ms.
[2025-05-31 03:22:39] [INFO ] Unfolded 6 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[20, 20, 20, 380, 380, 380]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[20, 20, 20, 380, 380, 380]
// Phase 1: matrix 3200 rows 3260 cols
[2025-05-31 03:22:39] [INFO ] Computed 460 invariants in 312 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[20, 20, 20, 380, 380, 380]
RANDOM walk for 10000 steps (2 resets) in 614 ms. (16 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-04 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-07 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-03 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (10 resets) in 350 ms. (142 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 14, 28, 96, 163] Max Struct:[20, 20, 380, 380, 380]
[2025-05-31 03:22:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:41] [INFO ] [Real]Absence check using 59 positive place invariants in 72 ms returned sat
[2025-05-31 03:22:41] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 266 ms returned sat
[2025-05-31 03:22:43] [INFO ] [Real]Absence check using state equation in 1525 ms returned sat
[2025-05-31 03:22:43] [INFO ] Computed and/alt/rep : 2000/2000/2000 causal constraints (skipped 800 transitions) in 190 ms.
[2025-05-31 03:22:45] [INFO ] Added : 58 causal constraints over 12 iterations in 2288 ms. Result :sat
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:46] [INFO ] [Real]Absence check using 59 positive place invariants in 72 ms returned sat
[2025-05-31 03:22:46] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 235 ms returned sat
[2025-05-31 03:22:48] [INFO ] [Real]Absence check using state equation in 1637 ms returned sat
[2025-05-31 03:22:48] [INFO ] Computed and/alt/rep : 2000/2000/2000 causal constraints (skipped 800 transitions) in 163 ms.
[2025-05-31 03:22:51] [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: Broken pipe ... 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: 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: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
[2025-05-31 03:22:51] [INFO ] [Real]Absence check using 59 positive place invariants in 66 ms returned sat
[2025-05-31 03:22:51] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 221 ms returned sat
[2025-05-31 03:22:53] [INFO ] [Real]Absence check using state equation in 1544 ms returned sat
[2025-05-31 03:22:53] [INFO ] Computed and/alt/rep : 2000/2000/2000 causal constraints (skipped 800 transitions) in 147 ms.
[2025-05-31 03:22:56] [INFO ] Added : 73 causal constraints over 15 iterations in 2635 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:56] [INFO ] [Real]Absence check using 59 positive place invariants in 61 ms returned sat
[2025-05-31 03:22:56] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 336 ms returned sat
[2025-05-31 03:22:58] [INFO ] [Real]Absence check using state equation in 1878 ms returned sat
[2025-05-31 03:22:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:22:59] [INFO ] [Nat]Absence check using 59 positive place invariants in 63 ms returned sat
[2025-05-31 03:22:59] [INFO ] [Nat]Absence check using 59 positive and 401 generalized place invariants in 321 ms returned sat
[2025-05-31 03:23:01] [INFO ] [Nat]Absence check using state equation in 1773 ms returned sat
[2025-05-31 03:23:01] [INFO ] Computed and/alt/rep : 2000/2000/2000 causal constraints (skipped 800 transitions) in 142 ms.
[2025-05-31 03:23:02] [INFO ] Added : 20 causal constraints over 4 iterations in 928 ms. Result :sat
Minimization took 1034 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:23:03] [INFO ] [Real]Absence check using 59 positive place invariants in 55 ms returned sat
[2025-05-31 03:23:04] [INFO ] [Real]Absence check using 59 positive and 401 generalized place invariants in 350 ms returned sat
[2025-05-31 03:23:06] [INFO ] [Real]Absence check using state equation in 2024 ms returned sat
[2025-05-31 03:23:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 03:23:06] [INFO ] [Nat]Absence check using 59 positive place invariants in 62 ms returned sat
[2025-05-31 03:23:06] [INFO ] [Nat]Absence check using 59 positive and 401 generalized place invariants in 347 ms returned sat
[2025-05-31 03:23:09] [INFO ] [Nat]Absence check using state equation in 2075 ms returned sat
[2025-05-31 03:23:09] [INFO ] Computed and/alt/rep : 2000/2000/2000 causal constraints (skipped 800 transitions) in 153 ms.
[2025-05-31 03:23:10] [INFO ] Added : 20 causal constraints over 4 iterations in 879 ms. Result :sat
Minimization took 1027 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 14, 28, 96, 163] Max Struct:[20, 20, 380, 380, 380]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12, 14, 29, 96, 163] Max Struct:[20, 20, 380, 380, 380]
Support contains 2000 out of 3260 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3260/3260 places, 3200/3200 transitions.
Free-agglomeration rule applied 400 times.
Iterating global reduction 0 with 400 rules applied. Total rules applied 400 place count 3260 transition count 2800
Reduce places removed 400 places and 0 transitions.
Iterating post reduction 0 with 400 rules applied. Total rules applied 800 place count 2860 transition count 2800
Applied a total of 800 rules in 485 ms. Remains 2860 /3260 variables (removed 400) and now considering 2800/3200 (removed 400) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 493 ms. Remains : 2860/3260 places, 2800/3200 transitions.
// Phase 1: matrix 2800 rows 2860 cols
[2025-05-31 03:23:12] [INFO ] Computed 460 invariants in 81 ms
Current structural bounds on expressions (after invariants) : Max Seen:[12, 14, 29, 96, 163] Max Struct:[20, 20, 380, 380, 380]
RANDOM walk for 494010 steps (1 resets) in 30001 ms. (16 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-06 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-05 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-09 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-00 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1154850 steps (1 resets) in 15009 ms. (76 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-12 380 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[311, 172] Max Struct:[380, 380]
[2025-05-31 03:23:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 03:23:57] [INFO ] [Real]Absence check using 58 positive place invariants in 40 ms returned sat
[2025-05-31 03:23:58] [INFO ] [Real]Absence check using 58 positive and 402 generalized place invariants in 621 ms returned sat
[2025-05-31 03:24:06] [INFO ] [Real]Absence check using state equation in 7992 ms returned sat
[2025-05-31 03:24:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 03:24:06] [INFO ] [Nat]Absence check using 58 positive place invariants in 39 ms returned sat
[2025-05-31 03:24:07] [INFO ] [Nat]Absence check using 58 positive and 402 generalized place invariants in 597 ms returned sat
[2025-05-31 03:24:16] [INFO ] [Nat]Absence check using state equation in 9176 ms returned sat
[2025-05-31 03:24:16] [INFO ] Computed and/alt/rep : 1600/1600/1600 causal constraints (skipped 800 transitions) in 121 ms.
[2025-05-31 03:24:33] [INFO ] Added : 661 causal constraints over 133 iterations in 17445 ms. Result :sat
Minimization took 5275 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 03:24:39] [INFO ] [Real]Absence check using 58 positive place invariants in 38 ms returned sat
[2025-05-31 03:24:39] [INFO ] [Real]Absence check using 58 positive and 402 generalized place invariants in 342 ms returned sat
[2025-05-31 03:24:43] [INFO ] [Real]Absence check using state equation in 3785 ms returned sat
[2025-05-31 03:24:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 03:24:43] [INFO ] [Nat]Absence check using 58 positive place invariants in 41 ms returned sat
[2025-05-31 03:24:44] [INFO ] [Nat]Absence check using 58 positive and 402 generalized place invariants in 331 ms returned sat
[2025-05-31 03:24:45] [INFO ] [Nat]Absence check using state equation in 1718 ms returned sat
[2025-05-31 03:24:46] [INFO ] Computed and/alt/rep : 1600/1600/1600 causal constraints (skipped 800 transitions) in 140 ms.
[2025-05-31 03:24:46] [INFO ] Added : 11 causal constraints over 3 iterations in 672 ms. Result :sat
Minimization took 5323 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[311, 172] Max Struct:[380, 380]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[311, 172] Max Struct:[380, 380]
Support contains 800 out of 2860 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2860/2860 places, 2800/2800 transitions.
Free-agglomeration rule (complex) applied 800 times.
Iterating global reduction 0 with 800 rules applied. Total rules applied 800 place count 2860 transition count 2000
Reduce places removed 820 places and 0 transitions.
Iterating post reduction 0 with 820 rules applied. Total rules applied 1620 place count 2040 transition count 2000
Applied a total of 1620 rules in 348 ms. Remains 2040 /2860 variables (removed 820) and now considering 2000/2800 (removed 800) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 348 ms. Remains : 2040/2860 places, 2000/2800 transitions.
// Phase 1: matrix 2000 rows 2040 cols
[2025-05-31 03:24:52] [INFO ] Computed 440 invariants in 26 ms
Current structural bounds on expressions (after invariants) : Max Seen:[311, 172] Max Struct:[380, 380]
RANDOM walk for 755447 steps (2 resets) in 30001 ms. (25 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-13 380 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-20-UpperBounds-08 380 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 559843 steps (0 resets) in 10005 ms. (55 steps per ms)
FORMULA DatabaseWithMutex-COL-20-UpperBounds-10 380 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-05-31 03:25:33] [INFO ] Flatten gal took : 412 ms
[2025-05-31 03:25:33] [INFO ] Flatten gal took : 180 ms
[2025-05-31 03:25:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7350559851660835798.gal : 110 ms
[2025-05-31 03:25:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7788700948473857032.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/ReachabilityCardinality7350559851660835798.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7788700948473857032.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 175390 ms.

BK_STOP 1748661933571

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DatabaseWithMutex-COL-20"
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 DatabaseWithMutex-COL-20, 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 r044-tall-174854029100813"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-COL-20.tgz
mv DatabaseWithMutex-COL-20 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 ;