About the Execution of ITS-Tools for DBSingleClientW-PT-d1m07
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 156741.00 | 0.00 | 0.00 | 0 1 0 0 0 0 1 1 0 0 1 0 1 0 0 0 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854063500085.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 DBSingleClientW-PT-d1m07, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854063500085
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 908K
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K 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 2.3K 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 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K 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 3.8K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 432K 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 DBSingleClientW-PT-d1m07-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748577705107
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d1m07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-30 04:01:47] [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]
[2025-05-30 04:01:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 04:01:47] [INFO ] Load time of PNML (sax parser for PT used): 227 ms
[2025-05-30 04:01:47] [INFO ] Transformed 1440 places.
[2025-05-30 04:01:47] [INFO ] Transformed 672 transitions.
[2025-05-30 04:01:47] [INFO ] Parsed PT model containing 1440 places and 672 transitions and 2688 arcs in 398 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Deduced a syphon composed of 1093 places in 9 ms
Reduce places removed 1093 places and 0 transitions.
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 672 rows 347 cols
[2025-05-30 04:01:47] [INFO ] Computed 6 invariants in 61 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[7, 7, 7, 7, 7]
RANDOM walk for 10000 steps (2290 resets) in 206 ms. (48 steps per ms)
BEST_FIRST walk for 50003 steps (4727 resets) in 407 ms. (122 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[7, 7, 7, 7, 7]
[2025-05-30 04:01:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:01:48] [INFO ] [Real]Absence check using 2 positive place invariants in 15 ms returned sat
[2025-05-30 04:01:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2025-05-30 04:01:49] [INFO ] [Real]Absence check using state equation in 371 ms returned sat
[2025-05-30 04:01:49] [INFO ] State equation strengthened by 418 read => feed constraints.
[2025-05-30 04:01:49] [INFO ] [Real]Added 418 Read/Feed constraints in 162 ms returned sat
[2025-05-30 04:01:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:01:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 7 ms returned sat
[2025-05-30 04:01:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2025-05-30 04:01:50] [INFO ] [Nat]Absence check using state equation in 314 ms returned sat
[2025-05-30 04:01:50] [INFO ] [Nat]Added 418 Read/Feed constraints in 168 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:51] [INFO ] Deduced a trap composed of 80 places in 627 ms of which 73 ms to minimize.
[2025-05-30 04:01:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 764 ms
[2025-05-30 04:01:52] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 212 ms.
[2025-05-30 04:01:52] [INFO ] Added : 14 causal constraints over 4 iterations in 736 ms. Result :sat
Minimization took 579 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:01:53] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-05-30 04:01:53] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2025-05-30 04:01:53] [INFO ] [Real]Absence check using state equation in 274 ms returned sat
[2025-05-30 04:01:53] [INFO ] [Real]Added 418 Read/Feed constraints in 203 ms returned sat
[2025-05-30 04:01:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:01:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-05-30 04:01:53] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned sat
[2025-05-30 04:01:54] [INFO ] [Nat]Absence check using state equation in 275 ms returned sat
[2025-05-30 04:01:54] [INFO ] [Nat]Added 418 Read/Feed constraints in 145 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:54] [INFO ] Deduced a trap composed of 81 places in 215 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:54] [INFO ] Deduced a trap composed of 82 places in 212 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:55] [INFO ] Deduced a trap composed of 83 places in 212 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:55] [INFO ] Deduced a trap composed of 84 places in 205 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:55] [INFO ] Deduced a trap composed of 84 places in 224 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:56] [INFO ] Deduced a trap composed of 24 places in 326 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:56] [INFO ] Deduced a trap composed of 21 places in 327 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:56] [INFO ] Deduced a trap composed of 21 places in 327 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:57] [INFO ] Deduced a trap composed of 82 places in 195 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:57] [INFO ] Deduced a trap composed of 21 places in 334 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:57] [INFO ] Deduced a trap composed of 82 places in 206 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:58] [INFO ] Deduced a trap composed of 84 places in 204 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:58] [INFO ] Deduced a trap composed of 24 places in 321 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:58] [INFO ] Deduced a trap composed of 24 places in 252 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:01:59] [INFO ] Deduced a trap composed of 84 places in 203 ms of which 9 ms to minimize.
[2025-05-30 04:01:59] [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.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:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:01:59] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-05-30 04:01:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2025-05-30 04:01:59] [INFO ] [Real]Absence check using state equation in 248 ms returned sat
[2025-05-30 04:01:59] [INFO ] [Real]Added 418 Read/Feed constraints in 125 ms returned sat
[2025-05-30 04:01:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:01:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 7 ms returned sat
[2025-05-30 04:01:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2025-05-30 04:01:59] [INFO ] [Nat]Absence check using state equation in 237 ms returned sat
[2025-05-30 04:02:00] [INFO ] [Nat]Added 418 Read/Feed constraints in 141 ms returned sat
[2025-05-30 04:02:00] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 93 ms.
[2025-05-30 04:02:00] [INFO ] Added : 15 causal constraints over 4 iterations in 470 ms. Result :sat
Minimization took 585 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:02:01] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-05-30 04:02:01] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2025-05-30 04:02:01] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2025-05-30 04:02:01] [INFO ] [Real]Added 418 Read/Feed constraints in 153 ms returned sat
[2025-05-30 04:02:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:02:01] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-05-30 04:02:01] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2025-05-30 04:02:02] [INFO ] [Nat]Absence check using state equation in 263 ms returned sat
[2025-05-30 04:02:02] [INFO ] [Nat]Added 418 Read/Feed constraints in 140 ms returned sat
[2025-05-30 04:02:02] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 94 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:02:02] [INFO ] Deduced a trap composed of 21 places in 344 ms of which 23 ms to minimize.
[2025-05-30 04:02:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 430 ms
[2025-05-30 04:02:03] [INFO ] Added : 14 causal constraints over 4 iterations in 978 ms. Result :sat
Minimization took 547 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:02:03] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-05-30 04:02:03] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2025-05-30 04:02:04] [INFO ] [Real]Absence check using state equation in 241 ms returned sat
[2025-05-30 04:02:04] [INFO ] [Real]Added 418 Read/Feed constraints in 125 ms returned sat
[2025-05-30 04:02:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:02:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 7 ms returned sat
[2025-05-30 04:02:04] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned sat
[2025-05-30 04:02:04] [INFO ] [Nat]Absence check using state equation in 253 ms returned sat
[2025-05-30 04:02:04] [INFO ] [Nat]Added 418 Read/Feed constraints in 140 ms returned sat
[2025-05-30 04:02:04] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 92 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:02:05] [INFO ] Deduced a trap composed of 21 places in 319 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:02:05] [INFO ] Deduced a trap composed of 27 places in 325 ms of which 26 ms to minimize.
[2025-05-30 04:02:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 806 ms
[2025-05-30 04:02:06] [INFO ] Added : 14 causal constraints over 4 iterations in 1285 ms. Result :sat
Minimization took 547 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[7, 7, 7, 7, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[7, 7, 7, 7, 7]
Support contains 5 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 672/672 transitions.
Graph (complete) has 1246 edges and 347 vertex of which 325 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.4 ms
Discarding 22 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 0 with 88 rules applied. Total rules applied 89 place count 325 transition count 584
Discarding 94 places :
Symmetric choice reduction at 1 with 94 rule applications. Total rules 183 place count 231 transition count 329
Iterating global reduction 1 with 94 rules applied. Total rules applied 277 place count 231 transition count 329
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 281 place count 231 transition count 325
Discarding 71 places :
Symmetric choice reduction at 2 with 71 rule applications. Total rules 352 place count 160 transition count 254
Iterating global reduction 2 with 71 rules applied. Total rules applied 423 place count 160 transition count 254
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 428 place count 160 transition count 249
Discarding 38 places :
Symmetric choice reduction at 3 with 38 rule applications. Total rules 466 place count 122 transition count 187
Iterating global reduction 3 with 38 rules applied. Total rules applied 504 place count 122 transition count 187
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 3 with 21 rules applied. Total rules applied 525 place count 122 transition count 166
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 535 place count 112 transition count 149
Iterating global reduction 4 with 10 rules applied. Total rules applied 545 place count 112 transition count 149
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 554 place count 103 transition count 140
Iterating global reduction 4 with 9 rules applied. Total rules applied 563 place count 103 transition count 140
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 566 place count 103 transition count 137
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 573 place count 96 transition count 130
Iterating global reduction 5 with 7 rules applied. Total rules applied 580 place count 96 transition count 130
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 583 place count 96 transition count 127
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 584 place count 95 transition count 125
Iterating global reduction 6 with 1 rules applied. Total rules applied 585 place count 95 transition count 125
Applied a total of 585 rules in 150 ms. Remains 95 /347 variables (removed 252) and now considering 125/672 (removed 547) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 162 ms. Remains : 95/347 places, 125/672 transitions.
// Phase 1: matrix 125 rows 95 cols
[2025-05-30 04:02:06] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[7, 7, 7, 7, 7]
RANDOM walk for 1000000 steps (229743 resets) in 1651 ms. (605 steps per ms)
BEST_FIRST walk for 5000004 steps (492745 resets) in 3746 ms. (1334 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 1, 0, 0, 0] Max Struct:[7, 7, 7, 7, 7]
[2025-05-30 04:02:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:12] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:12] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-30 04:02:12] [INFO ] State equation strengthened by 43 read => feed constraints.
[2025-05-30 04:02:12] [INFO ] [Real]Added 43 Read/Feed constraints in 11 ms returned sat
[2025-05-30 04:02:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:12] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 04:02:12] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2025-05-30 04:02:12] [INFO ] [Nat]Added 43 Read/Feed constraints in 19 ms returned sat
[2025-05-30 04:02:12] [INFO ] Computed and/alt/rep : 33/77/33 causal constraints (skipped 91 transitions) in 12 ms.
[2025-05-30 04:02:12] [INFO ] Added : 5 causal constraints over 1 iterations in 43 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:12] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 04:02:12] [INFO ] [Real]Absence check using state equation in 35 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:12] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:12] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-05-30 04:02:12] [INFO ] [Real]Added 43 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:02:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:12] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:12] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2025-05-30 04:02:12] [INFO ] [Nat]Added 43 Read/Feed constraints in 18 ms returned sat
[2025-05-30 04:02:12] [INFO ] Computed and/alt/rep : 33/77/33 causal constraints (skipped 91 transitions) in 13 ms.
[2025-05-30 04:02:12] [INFO ] Added : 14 causal constraints over 4 iterations in 75 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:13] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 04:02:13] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-30 04:02:13] [INFO ] [Real]Added 43 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:02:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:13] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:13] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:02:13] [INFO ] [Nat]Added 43 Read/Feed constraints in 13 ms returned sat
[2025-05-30 04:02:13] [INFO ] Computed and/alt/rep : 33/77/33 causal constraints (skipped 91 transitions) in 12 ms.
[2025-05-30 04:02:13] [INFO ] Added : 10 causal constraints over 3 iterations in 62 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:13] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:13] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-30 04:02:13] [INFO ] [Real]Added 43 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:02:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:13] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 04:02:13] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-05-30 04:02:13] [INFO ] [Nat]Added 43 Read/Feed constraints in 14 ms returned sat
[2025-05-30 04:02:13] [INFO ] Computed and/alt/rep : 33/77/33 causal constraints (skipped 91 transitions) in 12 ms.
[2025-05-30 04:02:13] [INFO ] Added : 10 causal constraints over 3 iterations in 59 ms. Result :sat
Minimization took 63 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 1, 0, 0, 0] Max Struct:[7, 1, 7, 7, 7]
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[7, 7, 7, 7]
Support contains 4 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 125/125 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 94 transition count 124
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 94 transition count 124
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 94 transition count 123
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 93 transition count 122
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 93 transition count 122
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 92 transition count 121
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 92 transition count 121
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 92 transition count 120
Applied a total of 8 rules in 19 ms. Remains 92 /95 variables (removed 3) and now considering 120/125 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 92/95 places, 120/125 transitions.
// Phase 1: matrix 120 rows 92 cols
[2025-05-30 04:02:13] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[7, 7, 7, 7]
RANDOM walk for 1000000 steps (229950 resets) in 1462 ms. (683 steps per ms)
BEST_FIRST walk for 4000002 steps (394191 resets) in 2749 ms. (1454 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0, 0] Max Struct:[7, 7, 7, 7]
[2025-05-30 04:02:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:18] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Real]Absence check using state equation in 44 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:18] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2025-05-30 04:02:18] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-30 04:02:18] [INFO ] [Real]Added 41 Read/Feed constraints in 11 ms returned sat
[2025-05-30 04:02:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:18] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Nat]Added 41 Read/Feed constraints in 13 ms returned sat
[2025-05-30 04:02:18] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 87 transitions) in 11 ms.
[2025-05-30 04:02:18] [INFO ] Added : 11 causal constraints over 3 iterations in 56 ms. Result :sat
Minimization took 49 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:18] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Real]Added 41 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:02:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:18] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Nat]Added 41 Read/Feed constraints in 13 ms returned sat
[2025-05-30 04:02:18] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 87 transitions) in 9 ms.
[2025-05-30 04:02:18] [INFO ] Added : 10 causal constraints over 2 iterations in 54 ms. Result :sat
Minimization took 46 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:18] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Real]Added 41 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:02:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:18] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:02:18] [INFO ] [Nat]Added 41 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:02:18] [INFO ] Computed and/alt/rep : 32/73/32 causal constraints (skipped 87 transitions) in 13 ms.
[2025-05-30 04:02:19] [INFO ] Added : 11 causal constraints over 3 iterations in 69 ms. Result :sat
Minimization took 47 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0, 0] Max Struct:[1, 7, 7, 7]
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[7, 7, 7]
Support contains 3 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 120/120 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 91 transition count 118
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 118
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 90 transition count 117
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 90 transition count 117
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 90 transition count 116
Applied a total of 5 rules in 13 ms. Remains 90 /92 variables (removed 2) and now considering 116/120 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 90/92 places, 116/120 transitions.
// Phase 1: matrix 116 rows 90 cols
[2025-05-30 04:02:19] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[7, 7, 7]
RANDOM walk for 1000000 steps (229080 resets) in 1392 ms. (717 steps per ms)
BEST_FIRST walk for 3000002 steps (294945 resets) in 2026 ms. (1480 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[7, 7, 7]
[2025-05-30 04:02:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:22] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 04:02:22] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-05-30 04:02:22] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-05-30 04:02:22] [INFO ] [Real]Added 39 Read/Feed constraints in 13 ms returned sat
[2025-05-30 04:02:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:22] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:22] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:02:22] [INFO ] [Nat]Added 39 Read/Feed constraints in 13 ms returned sat
[2025-05-30 04:02:22] [INFO ] Computed and/alt/rep : 32/69/32 causal constraints (skipped 83 transitions) in 11 ms.
[2025-05-30 04:02:22] [INFO ] Added : 10 causal constraints over 2 iterations in 57 ms. Result :sat
Minimization took 56 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:23] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:23] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-05-30 04:02:23] [INFO ] [Real]Added 39 Read/Feed constraints in 10 ms returned sat
[2025-05-30 04:02:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:23] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 04:02:23] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2025-05-30 04:02:23] [INFO ] [Nat]Added 39 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:02:23] [INFO ] Computed and/alt/rep : 32/69/32 causal constraints (skipped 83 transitions) in 11 ms.
[2025-05-30 04:02:23] [INFO ] Added : 12 causal constraints over 3 iterations in 56 ms. Result :sat
Minimization took 92 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:23] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:23] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:02:23] [INFO ] [Real]Added 39 Read/Feed constraints in 11 ms returned sat
[2025-05-30 04:02:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:23] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:23] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:02:23] [INFO ] [Nat]Added 39 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:02:23] [INFO ] Computed and/alt/rep : 32/69/32 causal constraints (skipped 83 transitions) in 11 ms.
[2025-05-30 04:02:23] [INFO ] Added : 10 causal constraints over 2 iterations in 50 ms. Result :sat
Minimization took 50 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[7, 7, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[7, 7, 7]
Support contains 3 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 116/116 transitions.
Applied a total of 0 rules in 9 ms. Remains 90 /90 variables (removed 0) and now considering 116/116 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 90/90 places, 116/116 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 116/116 transitions.
Applied a total of 0 rules in 8 ms. Remains 90 /90 variables (removed 0) and now considering 116/116 (removed 0) transitions.
[2025-05-30 04:02:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 04:02:23] [INFO ] Implicit Places using invariants in 186 ms returned []
[2025-05-30 04:02:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 04:02:24] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-05-30 04:02:24] [INFO ] Implicit Places using invariants and state equation in 346 ms returned []
Implicit Place search using SMT with State Equation took 535 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 04:02:24] [INFO ] Redundant transitions in 3 ms returned []
Running 115 sub problems to find dead transitions.
[2025-05-30 04:02:24] [INFO ] Invariant cache hit.
[2025-05-30 04:02:24] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (OVERLAPS) 1/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (OVERLAPS) 116/206 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 39/131 constraints. Problems are: Problem set: 0 solved, 115 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (OVERLAPS) 0/206 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 131 constraints, problems are : Problem set: 0 solved, 115 unsolved in 4459 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 90/90 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (OVERLAPS) 1/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (OVERLAPS) 116/206 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 39/131 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 115/246 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (OVERLAPS) 0/206 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 246 constraints, problems are : Problem set: 0 solved, 115 unsolved in 16686 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 90/90 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21412ms problems are : Problem set: 0 solved, 115 unsolved
Search for dead transitions found 0 dead transitions in 21432ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22015 ms. Remains : 90/90 places, 116/116 transitions.
RANDOM walk for 40000 steps (9246 resets) in 1283 ms. (31 steps per ms) remains 6/6 properties
[2025-05-30 04:02:46] [INFO ] Flatten gal took : 128 ms
BEST_FIRST walk for 40003 steps (3950 resets) in 603 ms. (66 steps per ms) remains 6/6 properties
[2025-05-30 04:02:46] [INFO ] Flatten gal took : 65 ms
BEST_FIRST walk for 40002 steps (3937 resets) in 262 ms. (152 steps per ms) remains 6/6 properties
[2025-05-30 04:02:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11548522827853317054.gal : 27 ms
BEST_FIRST walk for 40003 steps (3965 resets) in 234 ms. (170 steps per ms) remains 6/6 properties
[2025-05-30 04:02:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16934767457172633960.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11548522827853317054.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16934767457172633960.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 ...330
Loading property file /tmp/ReachabilityCardinality16934767457172633960.prop.
BEST_FIRST walk for 40003 steps (3894 resets) in 322 ms. (123 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :26 after 58
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :58 after 90
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :90 after 154
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :154 after 278
BEST_FIRST walk for 40003 steps (3889 resets) in 223 ms. (178 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :278 after 518
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :518 after 2550
BEST_FIRST walk for 40000 steps (4067 resets) in 225 ms. (176 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :2550 after 4298
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :4298 after 15660
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :15660 after 41387
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :41387 after 288051
Interrupted probabilistic random walk after 552011 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :3 out of 6
Probabilistic random walk after 552011 steps, saw 221278 distinct states, run finished after 3011 ms. (steps per millisecond=183 ) properties seen :3
[2025-05-30 04:02:49] [INFO ] Invariant cache hit.
[2025-05-30 04:02:49] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 53/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 83/146 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
After SMT solving in domain Real declared 197/206 variables, and 87 constraints, problems are : Problem set: 3 solved, 0 unsolved in 223 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/90 constraints, ReadFeed: 0/39 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 233ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[0, 0, 0] Max Struct:[7, 7, 7]
Starting property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
[2025-05-30 04:02:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2293 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10000 steps (960 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 04:02:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:02:50] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:50] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2025-05-30 04:02:50] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-05-30 04:02:50] [INFO ] [Real]Added 39 Read/Feed constraints in 11 ms returned sat
[2025-05-30 04:02:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:02:50] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:50] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-05-30 04:02:50] [INFO ] [Nat]Added 39 Read/Feed constraints in 15 ms returned sat
[2025-05-30 04:02:50] [INFO ] Computed and/alt/rep : 32/69/32 causal constraints (skipped 83 transitions) in 12 ms.
[2025-05-30 04:02:50] [INFO ] Added : 10 causal constraints over 2 iterations in 60 ms. Result :sat
Minimization took 55 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 116/116 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 88 transition count 114
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 88 transition count 114
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 86 transition count 111
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 86 transition count 111
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 86 transition count 109
Applied a total of 10 rules in 21 ms. Remains 86 /90 variables (removed 4) and now considering 109/116 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 86/90 places, 109/116 transitions.
// Phase 1: matrix 109 rows 86 cols
[2025-05-30 04:02:50] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 1000000 steps (229618 resets) in 1337 ms. (747 steps per ms)
BEST_FIRST walk for 1000001 steps (98759 resets) in 650 ms. (1536 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 04:02:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:52] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 6 ms returned sat
[2025-05-30 04:02:52] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-05-30 04:02:52] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-05-30 04:02:52] [INFO ] [Real]Added 37 Read/Feed constraints in 11 ms returned sat
[2025-05-30 04:02:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:02:52] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:02:52] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2025-05-30 04:02:52] [INFO ] [Nat]Added 37 Read/Feed constraints in 11 ms returned sat
[2025-05-30 04:02:52] [INFO ] Computed and/alt/rep : 30/63/30 causal constraints (skipped 78 transitions) in 9 ms.
[2025-05-30 04:02:52] [INFO ] Added : 11 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 50 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 109/109 transitions.
Applied a total of 0 rules in 5 ms. Remains 86 /86 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 86/86 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 109/109 transitions.
Applied a total of 0 rules in 5 ms. Remains 86 /86 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2025-05-30 04:02:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 04:02:53] [INFO ] Implicit Places using invariants in 113 ms returned []
[2025-05-30 04:02:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 04:02:53] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-05-30 04:02:53] [INFO ] Implicit Places using invariants and state equation in 275 ms returned []
Implicit Place search using SMT with State Equation took 392 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 04:02:53] [INFO ] Redundant transitions in 3 ms returned []
Running 108 sub problems to find dead transitions.
[2025-05-30 04:02:53] [INFO ] Invariant cache hit.
[2025-05-30 04:02:53] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/86 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/195 variables, 86/88 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 37/125 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 04:02:55] [INFO ] Deduced a trap composed of 11 places in 73 ms of which 7 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (OVERLAPS) 0/195 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 126 constraints, problems are : Problem set: 0 solved, 108 unsolved in 4883 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 86/86 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 1/86 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (OVERLAPS) 109/195 variables, 86/89 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 37/126 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 108/234 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 9 (OVERLAPS) 0/195 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 234 constraints, problems are : Problem set: 0 solved, 108 unsolved in 19128 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 86/86 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 24115ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 24117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24524 ms. Remains : 86/86 places, 109/109 transitions.
RANDOM walk for 40000 steps (9242 resets) in 171 ms. (232 steps per ms) remains 2/2 properties
[2025-05-30 04:03:17] [INFO ] Flatten gal took : 55 ms
[2025-05-30 04:03:17] [INFO ] Flatten gal took : 28 ms
[2025-05-30 04:03:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4052334000302865524.gal : 13 ms
[2025-05-30 04:03:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8380685579997531950.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4052334000302865524.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8380685579997531950.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40001 steps (3900 resets) in 182 ms. (218 steps per ms) remains 2/2 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8380685579997531950.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :26 after 58
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :58 after 120
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :120 after 224
BEST_FIRST walk for 40000 steps (3916 resets) in 166 ms. (239 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :224 after 416
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :416 after 1034
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1034 after 6152
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :6152 after 11098
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :11098 after 37688
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :37688 after 104415
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :104415 after 387501
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :387501 after 663402
Interrupted probabilistic random walk after 2024600 steps, run timeout after 3001 ms. (steps per millisecond=674 ) properties seen :1 out of 2
Probabilistic random walk after 2024600 steps, saw 810004 distinct states, run finished after 3001 ms. (steps per millisecond=674 ) properties seen :1
[2025-05-30 04:03:20] [INFO ] Invariant cache hit.
[2025-05-30 04:03:20] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/61 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 78/139 variables, 61/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/139 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 186/195 variables, and 83 constraints, problems are : Problem set: 1 solved, 0 unsolved in 127 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 81/86 constraints, ReadFeed: 0/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 133ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-07 in 30628 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
// Phase 1: matrix 116 rows 90 cols
[2025-05-30 04:03:20] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2280 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (997 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 04:03:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:03:20] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:03:20] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-05-30 04:03:20] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-05-30 04:03:20] [INFO ] [Real]Added 39 Read/Feed constraints in 11 ms returned sat
[2025-05-30 04:03:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:03:20] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:03:21] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:03:21] [INFO ] [Nat]Added 39 Read/Feed constraints in 13 ms returned sat
[2025-05-30 04:03:21] [INFO ] Computed and/alt/rep : 32/69/32 causal constraints (skipped 83 transitions) in 11 ms.
[2025-05-30 04:03:21] [INFO ] Added : 12 causal constraints over 3 iterations in 59 ms. Result :sat
Minimization took 57 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 116/116 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 88 transition count 114
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 88 transition count 114
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 86 transition count 111
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 86 transition count 111
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 86 transition count 110
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 85 transition count 109
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 85 transition count 109
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 12 place count 85 transition count 108
Applied a total of 12 rules in 15 ms. Remains 85 /90 variables (removed 5) and now considering 108/116 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 85/90 places, 108/116 transitions.
// Phase 1: matrix 108 rows 85 cols
[2025-05-30 04:03:21] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 1000000 steps (230047 resets) in 1327 ms. (753 steps per ms)
BEST_FIRST walk for 1000001 steps (98589 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 04:03:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:03:23] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:03:23] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:03:23] [INFO ] State equation strengthened by 36 read => feed constraints.
[2025-05-30 04:03:23] [INFO ] [Real]Added 36 Read/Feed constraints in 9 ms returned sat
[2025-05-30 04:03:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:03:23] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 04:03:23] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-05-30 04:03:23] [INFO ] [Nat]Added 36 Read/Feed constraints in 10 ms returned sat
[2025-05-30 04:03:23] [INFO ] Computed and/alt/rep : 30/63/30 causal constraints (skipped 77 transitions) in 9 ms.
[2025-05-30 04:03:23] [INFO ] Added : 10 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 52 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 108/108 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 85/85 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 108/108 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2025-05-30 04:03:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 04:03:23] [INFO ] Implicit Places using invariants in 109 ms returned []
[2025-05-30 04:03:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 04:03:23] [INFO ] State equation strengthened by 36 read => feed constraints.
[2025-05-30 04:03:23] [INFO ] Implicit Places using invariants and state equation in 273 ms returned []
Implicit Place search using SMT with State Equation took 385 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 04:03:23] [INFO ] Redundant transitions in 3 ms returned []
Running 107 sub problems to find dead transitions.
[2025-05-30 04:03:23] [INFO ] Invariant cache hit.
[2025-05-30 04:03:23] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (OVERLAPS) 1/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 108/193 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 36/123 constraints. Problems are: Problem set: 0 solved, 107 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 123 constraints, problems are : Problem set: 0 solved, 107 unsolved in 3722 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (OVERLAPS) 1/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 108/193 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 36/123 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 107/230 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (OVERLAPS) 0/193 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 230 constraints, problems are : Problem set: 0 solved, 107 unsolved in 18241 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22027ms problems are : Problem set: 0 solved, 107 unsolved
Search for dead transitions found 0 dead transitions in 22027ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22426 ms. Remains : 85/85 places, 108/108 transitions.
RANDOM walk for 40000 steps (9182 resets) in 91 ms. (434 steps per ms) remains 2/2 properties
[2025-05-30 04:03:45] [INFO ] Flatten gal took : 21 ms
BEST_FIRST walk for 40002 steps (3943 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
[2025-05-30 04:03:45] [INFO ] Flatten gal took : 12 ms
[2025-05-30 04:03:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2311982071097911458.gal : 21 ms
[2025-05-30 04:03:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12661784462479910779.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2311982071097911458.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12661784462479910779.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 40003 steps (3903 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality12661784462479910779.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :26 after 58
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :58 after 154
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :154 after 320
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :320 after 604
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :604 after 1662
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1662 after 5894
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5894 after 14282
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :14282 after 47970
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :47970 after 106737
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :106737 after 436519
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :436519 after 752177
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :752177 after 1.24034e+06
Interrupted probabilistic random walk after 2133198 steps, run timeout after 3001 ms. (steps per millisecond=710 ) properties seen :1 out of 2
Probabilistic random walk after 2133198 steps, saw 849300 distinct states, run finished after 3001 ms. (steps per millisecond=710 ) properties seen :1
[2025-05-30 04:03:49] [INFO ] Invariant cache hit.
[2025-05-30 04:03:49] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/60 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 77/137 variables, 60/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 184/193 variables, and 82 constraints, problems are : Problem set: 1 solved, 0 unsolved in 110 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 80/85 constraints, ReadFeed: 0/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-10 in 28384 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
// Phase 1: matrix 116 rows 90 cols
[2025-05-30 04:03:49] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2322 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (960 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 04:03:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:03:49] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:03:49] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-30 04:03:49] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-05-30 04:03:49] [INFO ] [Real]Added 39 Read/Feed constraints in 9 ms returned sat
[2025-05-30 04:03:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 04:03:49] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:03:49] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-05-30 04:03:49] [INFO ] [Nat]Added 39 Read/Feed constraints in 12 ms returned sat
[2025-05-30 04:03:49] [INFO ] Computed and/alt/rep : 32/69/32 causal constraints (skipped 83 transitions) in 11 ms.
[2025-05-30 04:03:49] [INFO ] Added : 10 causal constraints over 2 iterations in 50 ms. Result :sat
Minimization took 51 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 116/116 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 88 transition count 114
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 88 transition count 114
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 86 transition count 112
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 86 transition count 112
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 86 transition count 111
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 85 transition count 110
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 85 transition count 110
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 12 place count 85 transition count 109
Applied a total of 12 rules in 13 ms. Remains 85 /90 variables (removed 5) and now considering 109/116 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 85/90 places, 109/116 transitions.
// Phase 1: matrix 109 rows 85 cols
[2025-05-30 04:03:49] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 1000000 steps (229540 resets) in 1309 ms. (763 steps per ms)
BEST_FIRST walk for 1000001 steps (98912 resets) in 625 ms. (1597 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 04:03:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:03:51] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 04:03:51] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-05-30 04:03:51] [INFO ] State equation strengthened by 36 read => feed constraints.
[2025-05-30 04:03:51] [INFO ] [Real]Added 36 Read/Feed constraints in 9 ms returned sat
[2025-05-30 04:03:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-30 04:03:51] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 04:03:51] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2025-05-30 04:03:51] [INFO ] [Nat]Added 36 Read/Feed constraints in 10 ms returned sat
[2025-05-30 04:03:51] [INFO ] Computed and/alt/rep : 30/65/30 causal constraints (skipped 78 transitions) in 10 ms.
[2025-05-30 04:03:51] [INFO ] Added : 9 causal constraints over 2 iterations in 46 ms. Result :sat
Minimization took 51 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Applied a total of 0 rules in 4 ms. Remains 85 /85 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 85/85 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Applied a total of 0 rules in 4 ms. Remains 85 /85 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2025-05-30 04:03:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 04:03:51] [INFO ] Implicit Places using invariants in 94 ms returned []
[2025-05-30 04:03:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 04:03:51] [INFO ] State equation strengthened by 36 read => feed constraints.
[2025-05-30 04:03:52] [INFO ] Implicit Places using invariants and state equation in 267 ms returned []
Implicit Place search using SMT with State Equation took 363 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 04:03:52] [INFO ] Redundant transitions in 3 ms returned []
Running 108 sub problems to find dead transitions.
[2025-05-30 04:03:52] [INFO ] Invariant cache hit.
[2025-05-30 04:03:52] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/194 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 36/123 constraints. Problems are: Problem set: 0 solved, 108 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 123 constraints, problems are : Problem set: 0 solved, 108 unsolved in 3874 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/194 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 36/123 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 108/231 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 231 constraints, problems are : Problem set: 0 solved, 108 unsolved in 20398 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 24321ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 24321ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24698 ms. Remains : 85/85 places, 109/109 transitions.
[2025-05-30 04:04:16] [INFO ] Flatten gal took : 26 ms
[2025-05-30 04:04:16] [INFO ] Flatten gal took : 15 ms
[2025-05-30 04:04:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3727396582450659158.gal : 5 ms
[2025-05-30 04:04:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4427052271377864800.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/ReachabilityCardinality3727396582450659158.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4427052271377864800.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (9209 resets) in 193 ms. (206 steps per ms) remains 2/2 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (3852 resets) in 53 ms. (740 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality4427052271377864800.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
BEST_FIRST walk for 40002 steps (3998 resets) in 69 ms. (571 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :26 after 90
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :90 after 184
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :184 after 416
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :416 after 992
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :992 after 2692
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2692 after 6730
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :6730 after 12288
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :12288 after 43555
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :43555 after 111793
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :111793 after 439787
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :439787 after 756404
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :756404 after 1.27242e+06
Interrupted probabilistic random walk after 2150386 steps, run timeout after 3001 ms. (steps per millisecond=716 ) properties seen :1 out of 2
Probabilistic random walk after 2150386 steps, saw 852301 distinct states, run finished after 3001 ms. (steps per millisecond=716 ) properties seen :1
[2025-05-30 04:04:19] [INFO ] Invariant cache hit.
[2025-05-30 04:04:19] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/60 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 78/138 variables, 60/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 185/194 variables, and 82 constraints, problems are : Problem set: 1 solved, 0 unsolved in 104 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 80/85 constraints, ReadFeed: 0/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 110ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-12 in 30582 ms.
[2025-05-30 04:04:19] [INFO ] Flatten gal took : 11 ms
[2025-05-30 04:04:19] [INFO ] Applying decomposition
[2025-05-30 04:04:19] [INFO ] Flatten gal took : 11 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2775084877788697961.txt' '-o' '/tmp/graph2775084877788697961.bin' '-w' '/tmp/graph2775084877788697961.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2775084877788697961.bin' '-l' '-1' '-v' '-w' '/tmp/graph2775084877788697961.weights' '-q' '0' '-e' '0.001'
[2025-05-30 04:04:19] [INFO ] Decomposing Gal with order
[2025-05-30 04:04:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 04:04:19] [INFO ] Removed a total of 121 redundant transitions.
[2025-05-30 04:04:20] [INFO ] Flatten gal took : 82 ms
[2025-05-30 04:04:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 87 labels/synchronizations in 14 ms.
[2025-05-30 04:04:20] [INFO ] Time to serialize gal into /tmp/UpperBounds3521562823307616071.gal : 7 ms
[2025-05-30 04:04:20] [INFO ] Time to serialize properties into /tmp/UpperBounds6964483399619648179.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/UpperBounds3521562823307616071.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds6964483399619648179.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds6964483399619648179.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.75215e+06,1.51699,39536,1760,1272,51828,12391,353,120265,117,78685,0
Total reachable state count : 2752152
Verifying 3 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d1m07-UpperBounds-07 :0 <= i3.u10.l406 <= 1
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d1m07-UpperBounds-07,0,1.6892,39536,1,0,51828,12391,443,120265,142,78685,679
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d1m07-UpperBounds-10 :0 <= i3.u8.s8 <= 1
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d1m07-UpperBounds-10,0,1.69055,39536,1,0,51828,12391,464,120265,154,78685,843
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d1m07-UpperBounds-12 :0 <= i3.u0.p13 <= 1
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-12 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d1m07-UpperBounds-12,0,1.69159,39536,1,0,51828,12391,483,120265,168,78685,1014
Total runtime 154630 ms.
BK_STOP 1748577861848
--------------------
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="DBSingleClientW-PT-d1m07"
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 DBSingleClientW-PT-d1m07, 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 r058-smll-174854063500085"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d1m07.tgz
mv DBSingleClientW-PT-d1m07 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 '
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 ;