Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r480-tall-171624189500549.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is DBSingleClientW-PT-d2m04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r480-tall-171624189500549
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 12 12:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Apr 12 12:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Apr 12 12:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 12 12:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.6M May 18 16:42 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

here is the order used to build the result vector(from text file)
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m04-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717190267818

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m04
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:17:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-31 21:17:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:17:49] [INFO ] Load time of PNML (sax parser for PT used): 199 ms
[2024-05-31 21:17:49] [INFO ] Transformed 4763 places.
[2024-05-31 21:17:49] [INFO ] Transformed 2478 transitions.
[2024-05-31 21:17:49] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 331 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
Deduced a syphon composed of 3580 places in 28 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m04-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
// Phase 1: matrix 2478 rows 1183 cols
[2024-05-31 21:17:49] [INFO ] Computed 6 invariants in 170 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
RANDOM walk for 10000 steps (2355 resets) in 392 ms. (25 steps per ms)
BEST_FIRST walk for 40001 steps (3833 resets) in 262 ms. (152 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
[2024-05-31 21:17:50] [INFO ] Invariant cache hit.
[2024-05-31 21:17:50] [INFO ] [Real]Absence check using 2 positive place invariants in 25 ms returned sat
[2024-05-31 21:17:51] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 16 ms returned sat
[2024-05-31 21:17:51] [INFO ] [Real]Absence check using state equation in 807 ms returned sat
[2024-05-31 21:17:52] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2024-05-31 21:17:52] [INFO ] [Real]Added 1588 Read/Feed constraints in 672 ms returned sat
[2024-05-31 21:17:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 11 ms returned sat
[2024-05-31 21:17:53] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2024-05-31 21:17:53] [INFO ] [Nat]Absence check using state equation in 780 ms returned sat
[2024-05-31 21:17:55] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 21:17:55] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1669 ms returned unknown
[2024-05-31 21:17:55] [INFO ] [Real]Absence check using 2 positive place invariants in 20 ms returned sat
[2024-05-31 21:17:55] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-31 21:17:56] [INFO ] [Real]Absence check using state equation in 698 ms returned sat
[2024-05-31 21:17:57] [INFO ] [Real]Added 1588 Read/Feed constraints in 743 ms returned sat
[2024-05-31 21:17:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 13 ms returned sat
[2024-05-31 21:17:57] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-31 21:17:58] [INFO ] [Nat]Absence check using state equation in 720 ms returned sat
[2024-05-31 21:17:59] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 21:17:59] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1244 ms returned sat
[2024-05-31 21:18:00] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 692 ms.
[2024-05-31 21:18:02] [INFO ] Deduced a trap composed of 48 places in 945 ms of which 125 ms to minimize.
[2024-05-31 21:18:02] [INFO ] Trap strengthening (SAT) tested/added 1/1 trap constraints in 1124 ms
Maximisation of solution failed !
Minimization took 1 ms.
[2024-05-31 21:18:02] [INFO ] [Real]Absence check using 2 positive place invariants in 10 ms returned sat
[2024-05-31 21:18:02] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2024-05-31 21:18:03] [INFO ] [Real]Absence check using state equation in 804 ms returned sat
[2024-05-31 21:18:04] [INFO ] [Real]Added 1588 Read/Feed constraints in 720 ms returned sat
[2024-05-31 21:18:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-31 21:18:04] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 15 ms returned sat
[2024-05-31 21:18:04] [INFO ] [Nat]Absence check using state equation in 719 ms returned sat
[2024-05-31 21:18:06] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 21:18:06] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1708 ms returned unknown
[2024-05-31 21:18:06] [INFO ] [Real]Absence check using 2 positive place invariants in 12 ms returned sat
[2024-05-31 21:18:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2024-05-31 21:18:07] [INFO ] [Real]Absence check using state equation in 736 ms returned sat
[2024-05-31 21:18:08] [INFO ] [Real]Added 1588 Read/Feed constraints in 789 ms returned sat
[2024-05-31 21:18:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:08] [INFO ] [Nat]Absence check using 2 positive place invariants in 11 ms returned sat
[2024-05-31 21:18:08] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2024-05-31 21:18:09] [INFO ] [Nat]Absence check using state equation in 705 ms returned sat
[2024-05-31 21:18:10] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1055 ms returned sat
[2024-05-31 21:18:11] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 640 ms.
[2024-05-31 21:18:12] [INFO ] Deduced a trap composed of 33 places in 804 ms of which 12 ms to minimize.
[2024-05-31 21:18:14] [INFO ] Deduced a trap composed of 38 places in 837 ms of which 7 ms to minimize.
[2024-05-31 21:18:14] [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 3
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:299)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1128)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:875)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2251)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:910)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
Support contains 4 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.9 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 390 places :
Symmetric choice reduction at 1 with 390 rule applications. Total rules 608 place count 746 transition count 1201
Iterating global reduction 1 with 390 rules applied. Total rules applied 998 place count 746 transition count 1201
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1007 place count 746 transition count 1192
Discarding 315 places :
Symmetric choice reduction at 2 with 315 rule applications. Total rules 1322 place count 431 transition count 877
Iterating global reduction 2 with 315 rules applied. Total rules applied 1637 place count 431 transition count 877
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1649 place count 431 transition count 865
Discarding 239 places :
Symmetric choice reduction at 3 with 239 rule applications. Total rules 1888 place count 192 transition count 525
Iterating global reduction 3 with 239 rules applied. Total rules applied 2127 place count 192 transition count 525
Ensure Unique test removed 210 transitions
Reduce isomorphic transitions removed 210 transitions.
Iterating post reduction 3 with 210 rules applied. Total rules applied 2337 place count 192 transition count 315
Discarding 25 places :
Symmetric choice reduction at 4 with 25 rule applications. Total rules 2362 place count 167 transition count 275
Iterating global reduction 4 with 25 rules applied. Total rules applied 2387 place count 167 transition count 275
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2393 place count 167 transition count 269
Discarding 16 places :
Symmetric choice reduction at 5 with 16 rule applications. Total rules 2409 place count 151 transition count 253
Iterating global reduction 5 with 16 rules applied. Total rules applied 2425 place count 151 transition count 253
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2429 place count 151 transition count 249
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 2442 place count 138 transition count 236
Iterating global reduction 6 with 13 rules applied. Total rules applied 2455 place count 138 transition count 236
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 2465 place count 138 transition count 226
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 2468 place count 135 transition count 217
Iterating global reduction 7 with 3 rules applied. Total rules applied 2471 place count 135 transition count 217
Applied a total of 2471 rules in 265 ms. Remains 135 /1183 variables (removed 1048) and now considering 217/2478 (removed 2261) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 284 ms. Remains : 135/1183 places, 217/2478 transitions.
// Phase 1: matrix 217 rows 135 cols
[2024-05-31 21:18:14] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
RANDOM walk for 1000000 steps (229802 resets) in 2731 ms. (366 steps per ms)
BEST_FIRST walk for 4000000 steps (383719 resets) in 4498 ms. (889 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
[2024-05-31 21:18:21] [INFO ] Invariant cache hit.
[2024-05-31 21:18:21] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:21] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-31 21:18:21] [INFO ] State equation strengthened by 90 read => feed constraints.
[2024-05-31 21:18:21] [INFO ] [Real]Added 90 Read/Feed constraints in 24 ms returned sat
[2024-05-31 21:18:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:21] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:21] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2024-05-31 21:18:21] [INFO ] [Nat]Added 90 Read/Feed constraints in 29 ms returned sat
[2024-05-31 21:18:21] [INFO ] Deduced a trap composed of 13 places in 69 ms of which 1 ms to minimize.
[2024-05-31 21:18:21] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:18:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 163 ms
[2024-05-31 21:18:21] [INFO ] Computed and/alt/rep : 52/125/52 causal constraints (skipped 164 transitions) in 17 ms.
[2024-05-31 21:18:22] [INFO ] Deduced a trap composed of 16 places in 60 ms of which 1 ms to minimize.
[2024-05-31 21:18:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 110 ms
[2024-05-31 21:18:22] [INFO ] Added : 15 causal constraints over 3 iterations in 205 ms. Result :sat
Minimization took 125 ms.
[2024-05-31 21:18:22] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:22] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-31 21:18:22] [INFO ] [Real]Added 90 Read/Feed constraints in 15 ms returned sat
[2024-05-31 21:18:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:22] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:22] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2024-05-31 21:18:22] [INFO ] [Nat]Added 90 Read/Feed constraints in 23 ms returned sat
[2024-05-31 21:18:22] [INFO ] Computed and/alt/rep : 52/125/52 causal constraints (skipped 164 transitions) in 18 ms.
[2024-05-31 21:18:22] [INFO ] Added : 10 causal constraints over 2 iterations in 73 ms. Result :sat
Minimization took 115 ms.
[2024-05-31 21:18:22] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:22] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-31 21:18:22] [INFO ] [Real]Added 90 Read/Feed constraints in 12 ms returned sat
[2024-05-31 21:18:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:22] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:22] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2024-05-31 21:18:22] [INFO ] [Nat]Added 90 Read/Feed constraints in 39 ms returned sat
[2024-05-31 21:18:23] [INFO ] Computed and/alt/rep : 52/125/52 causal constraints (skipped 164 transitions) in 17 ms.
[2024-05-31 21:18:23] [INFO ] Added : 13 causal constraints over 3 iterations in 85 ms. Result :sat
Minimization took 108 ms.
[2024-05-31 21:18:23] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:23] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-31 21:18:23] [INFO ] [Real]Added 90 Read/Feed constraints in 17 ms returned sat
[2024-05-31 21:18:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:23] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:23] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2024-05-31 21:18:23] [INFO ] [Nat]Added 90 Read/Feed constraints in 17 ms returned sat
[2024-05-31 21:18:23] [INFO ] Computed and/alt/rep : 52/125/52 causal constraints (skipped 164 transitions) in 31 ms.
[2024-05-31 21:18:23] [INFO ] Added : 16 causal constraints over 4 iterations in 125 ms. Result :sat
Minimization took 111 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
Support contains 4 out of 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 217/217 transitions.
Applied a total of 0 rules in 17 ms. Remains 135 /135 variables (removed 0) and now considering 217/217 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 135/135 places, 217/217 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 217/217 transitions.
Applied a total of 0 rules in 10 ms. Remains 135 /135 variables (removed 0) and now considering 217/217 (removed 0) transitions.
[2024-05-31 21:18:23] [INFO ] Invariant cache hit.
[2024-05-31 21:18:24] [INFO ] Implicit Places using invariants in 339 ms returned []
[2024-05-31 21:18:24] [INFO ] Invariant cache hit.
[2024-05-31 21:18:24] [INFO ] State equation strengthened by 90 read => feed constraints.
[2024-05-31 21:18:24] [INFO ] Implicit Places using invariants and state equation in 335 ms returned []
Implicit Place search using SMT with State Equation took 679 ms to find 0 implicit places.
[2024-05-31 21:18:24] [INFO ] Redundant transitions in 7 ms returned []
Running 216 sub problems to find dead transitions.
[2024-05-31 21:18:24] [INFO ] Invariant cache hit.
[2024-05-31 21:18:24] [INFO ] State equation strengthened by 90 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/134 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/134 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (OVERLAPS) 1/135 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/135 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 217/352 variables, 135/137 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 90/227 constraints. Problems are: Problem set: 0 solved, 216 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 7 (OVERLAPS) 0/352 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 352/352 variables, and 227 constraints, problems are : Problem set: 0 solved, 216 unsolved in 7155 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 135/135 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/134 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/134 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (OVERLAPS) 1/135 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/135 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 217/352 variables, 135/137 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 90/227 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 216/443 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/352 variables, 0/443 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 8 (OVERLAPS) 0/352 variables, 0/443 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Int declared 352/352 variables, and 443 constraints, problems are : Problem set: 0 solved, 216 unsolved in 13747 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 135/135 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 21360ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 21372ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22081 ms. Remains : 135/135 places, 217/217 transitions.
RANDOM walk for 40000 steps (9207 resets) in 1592 ms. (25 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (3799 resets) in 220 ms. (181 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (3829 resets) in 186 ms. (213 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (3831 resets) in 144 ms. (275 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (3796 resets) in 152 ms. (261 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (3819 resets) in 154 ms. (258 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3800 resets) in 150 ms. (264 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (3877 resets) in 155 ms. (256 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (3830 resets) in 155 ms. (256 steps per ms) remains 8/8 properties
Probably explored full state space saw : 26880 states, properties seen :4
Probabilistic random walk after 65853 steps, saw 26880 distinct states, run finished after 497 ms. (steps per millisecond=132 ) properties seen :4
Explored full state space saw : 26979 states, properties seen :0
Exhaustive walk after 65957 steps, saw 26979 distinct states, run finished after 305 ms. (steps per millisecond=216 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0, 0, 0, 0] Max Struct:[1597, 7, 7, 6]
Starting property specific reduction for DBSingleClientW-PT-d2m04-UpperBounds-00
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:[1597]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1597]
[2024-05-31 21:18:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1597]
RANDOM walk for 10000 steps (2316 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10001 steps (964 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1597]
[2024-05-31 21:18:47] [INFO ] Invariant cache hit.
[2024-05-31 21:18:47] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:48] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-31 21:18:48] [INFO ] State equation strengthened by 90 read => feed constraints.
[2024-05-31 21:18:48] [INFO ] [Real]Added 90 Read/Feed constraints in 21 ms returned sat
[2024-05-31 21:18:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:48] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:48] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2024-05-31 21:18:48] [INFO ] [Nat]Added 90 Read/Feed constraints in 28 ms returned sat
[2024-05-31 21:18:48] [INFO ] Deduced a trap composed of 13 places in 79 ms of which 1 ms to minimize.
[2024-05-31 21:18:48] [INFO ] Deduced a trap composed of 19 places in 71 ms of which 1 ms to minimize.
[2024-05-31 21:18:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 201 ms
[2024-05-31 21:18:48] [INFO ] Computed and/alt/rep : 52/125/52 causal constraints (skipped 164 transitions) in 22 ms.
[2024-05-31 21:18:48] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 1 ms to minimize.
[2024-05-31 21:18:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 125 ms
[2024-05-31 21:18:48] [INFO ] Added : 15 causal constraints over 3 iterations in 230 ms. Result :sat
Minimization took 121 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1597]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1597]
Support contains 1 out of 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 217/217 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 132 transition count 214
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 132 transition count 214
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 9 place count 129 transition count 210
Iterating global reduction 0 with 3 rules applied. Total rules applied 12 place count 129 transition count 210
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 17 place count 129 transition count 205
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 21 place count 125 transition count 178
Iterating global reduction 1 with 4 rules applied. Total rules applied 25 place count 125 transition count 178
Applied a total of 25 rules in 16 ms. Remains 125 /135 variables (removed 10) and now considering 178/217 (removed 39) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 125/135 places, 178/217 transitions.
// Phase 1: matrix 178 rows 125 cols
[2024-05-31 21:18:48] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1597]
RANDOM walk for 1000000 steps (229796 resets) in 2335 ms. (428 steps per ms)
BEST_FIRST walk for 1000001 steps (95668 resets) in 1028 ms. (971 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1597]
[2024-05-31 21:18:52] [INFO ] Invariant cache hit.
[2024-05-31 21:18:52] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:18:52] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-31 21:18:52] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-31 21:18:52] [INFO ] [Real]Added 58 Read/Feed constraints in 15 ms returned sat
[2024-05-31 21:18:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:52] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:18:52] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2024-05-31 21:18:52] [INFO ] [Nat]Added 58 Read/Feed constraints in 20 ms returned sat
[2024-05-31 21:18:52] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 1 ms to minimize.
[2024-05-31 21:18:52] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 1 ms to minimize.
[2024-05-31 21:18:52] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:18:52] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 224 ms
[2024-05-31 21:18:52] [INFO ] Computed and/alt/rep : 49/117/49 causal constraints (skipped 128 transitions) in 16 ms.
[2024-05-31 21:18:52] [INFO ] Added : 13 causal constraints over 4 iterations in 90 ms. Result :sat
Minimization took 94 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1597]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1597]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 7 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 125/125 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2024-05-31 21:18:52] [INFO ] Invariant cache hit.
[2024-05-31 21:18:53] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-31 21:18:53] [INFO ] Invariant cache hit.
[2024-05-31 21:18:53] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-31 21:18:53] [INFO ] Implicit Places using invariants and state equation in 316 ms returned []
Implicit Place search using SMT with State Equation took 404 ms to find 0 implicit places.
[2024-05-31 21:18:53] [INFO ] Redundant transitions in 8 ms returned []
Running 177 sub problems to find dead transitions.
[2024-05-31 21:18:53] [INFO ] Invariant cache hit.
[2024-05-31 21:18:53] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
[2024-05-31 21:18:56] [INFO ] Deduced a trap composed of 11 places in 65 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 1/186 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/303 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 186 constraints, problems are : Problem set: 0 solved, 177 unsolved in 6415 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (OVERLAPS) 1/125 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/303 variables, 125/128 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 177/363 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (OVERLAPS) 0/303 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 303/303 variables, and 363 constraints, problems are : Problem set: 0 solved, 177 unsolved in 10451 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 1/1 constraints]
After SMT, in 17121ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 17124ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17557 ms. Remains : 125/125 places, 178/178 transitions.
RANDOM walk for 40000 steps (9205 resets) in 164 ms. (242 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3952 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (3944 resets) in 87 ms. (454 steps per ms) remains 2/2 properties
Probably explored full state space saw : 24388 states, properties seen :1
Probabilistic random walk after 57874 steps, saw 24388 distinct states, run finished after 125 ms. (steps per millisecond=462 ) properties seen :1
Explored full state space saw : 24423 states, properties seen :0
Exhaustive walk after 57909 steps, saw 24423 distinct states, run finished after 85 ms. (steps per millisecond=681 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1597]
Ending property specific reduction for DBSingleClientW-PT-d2m04-UpperBounds-00 in 22946 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m04-UpperBounds-05
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 217 rows 135 cols
[2024-05-31 21:19:10] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2328 resets) in 25 ms. (384 steps per ms)
BEST_FIRST walk for 10001 steps (885 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2024-05-31 21:19:10] [INFO ] Invariant cache hit.
[2024-05-31 21:19:10] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:10] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-31 21:19:10] [INFO ] State equation strengthened by 90 read => feed constraints.
[2024-05-31 21:19:10] [INFO ] [Real]Added 90 Read/Feed constraints in 14 ms returned sat
[2024-05-31 21:19:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:11] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:19:11] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2024-05-31 21:19:11] [INFO ] [Nat]Added 90 Read/Feed constraints in 25 ms returned sat
[2024-05-31 21:19:11] [INFO ] Computed and/alt/rep : 52/125/52 causal constraints (skipped 164 transitions) in 17 ms.
[2024-05-31 21:19:11] [INFO ] Added : 10 causal constraints over 2 iterations in 65 ms. Result :sat
Minimization took 114 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 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 217/217 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 132 transition count 214
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 132 transition count 214
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 132 transition count 213
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 130 transition count 210
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 130 transition count 210
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 15 place count 130 transition count 206
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 19 place count 126 transition count 178
Iterating global reduction 2 with 4 rules applied. Total rules applied 23 place count 126 transition count 178
Applied a total of 23 rules in 15 ms. Remains 126 /135 variables (removed 9) and now considering 178/217 (removed 39) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 126/135 places, 178/217 transitions.
// Phase 1: matrix 178 rows 126 cols
[2024-05-31 21:19:11] [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 (230222 resets) in 2157 ms. (463 steps per ms)
BEST_FIRST walk for 1000000 steps (95651 resets) in 969 ms. (1030 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2024-05-31 21:19:14] [INFO ] Invariant cache hit.
[2024-05-31 21:19:14] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:14] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-31 21:19:14] [INFO ] State equation strengthened by 57 read => feed constraints.
[2024-05-31 21:19:14] [INFO ] [Real]Added 57 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:19:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:14] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:14] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-31 21:19:14] [INFO ] [Nat]Added 57 Read/Feed constraints in 12 ms returned sat
[2024-05-31 21:19:14] [INFO ] Computed and/alt/rep : 50/117/50 causal constraints (skipped 127 transitions) in 13 ms.
[2024-05-31 21:19:14] [INFO ] Deduced a trap composed of 12 places in 75 ms of which 2 ms to minimize.
[2024-05-31 21:19:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 93 ms
[2024-05-31 21:19:14] [INFO ] Added : 17 causal constraints over 4 iterations in 177 ms. Result :sat
Minimization took 73 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 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 126 /126 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 126/126 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 178/178 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2024-05-31 21:19:15] [INFO ] Invariant cache hit.
[2024-05-31 21:19:15] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-31 21:19:15] [INFO ] Invariant cache hit.
[2024-05-31 21:19:15] [INFO ] State equation strengthened by 57 read => feed constraints.
[2024-05-31 21:19:15] [INFO ] Implicit Places using invariants and state equation in 265 ms returned []
Implicit Place search using SMT with State Equation took 361 ms to find 0 implicit places.
[2024-05-31 21:19:15] [INFO ] Redundant transitions in 3 ms returned []
Running 177 sub problems to find dead transitions.
[2024-05-31 21:19:15] [INFO ] Invariant cache hit.
[2024-05-31 21:19:15] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/304 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/304 variables, 57/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/304 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/304 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 304/304 variables, and 185 constraints, problems are : Problem set: 0 solved, 177 unsolved in 5103 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/304 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/304 variables, 57/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/304 variables, 177/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/304 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/304 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 304/304 variables, and 362 constraints, problems are : Problem set: 0 solved, 177 unsolved in 9775 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
After SMT, in 15092ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 15095ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15470 ms. Remains : 126/126 places, 178/178 transitions.
RANDOM walk for 40000 steps (9178 resets) in 165 ms. (240 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3863 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3823 resets) in 74 ms. (533 steps per ms) remains 2/2 properties
Probably explored full state space saw : 24082 states, properties seen :1
Probabilistic random walk after 56514 steps, saw 24082 distinct states, run finished after 121 ms. (steps per millisecond=467 ) properties seen :1
Explored full state space saw : 24117 states, properties seen :0
Exhaustive walk after 56549 steps, saw 24117 distinct states, run finished after 84 ms. (steps per millisecond=673 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m04-UpperBounds-05 in 19960 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m04-UpperBounds-09
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 217 rows 135 cols
[2024-05-31 21:19:30] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2257 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10001 steps (1003 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2024-05-31 21:19:30] [INFO ] Invariant cache hit.
[2024-05-31 21:19:30] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:30] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-31 21:19:30] [INFO ] State equation strengthened by 90 read => feed constraints.
[2024-05-31 21:19:30] [INFO ] [Real]Added 90 Read/Feed constraints in 14 ms returned sat
[2024-05-31 21:19:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:30] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:31] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2024-05-31 21:19:31] [INFO ] [Nat]Added 90 Read/Feed constraints in 45 ms returned sat
[2024-05-31 21:19:31] [INFO ] Computed and/alt/rep : 52/125/52 causal constraints (skipped 164 transitions) in 18 ms.
[2024-05-31 21:19:31] [INFO ] Added : 13 causal constraints over 3 iterations in 77 ms. Result :sat
Minimization took 115 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 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 217/217 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 132 transition count 214
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 132 transition count 214
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 132 transition count 213
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 130 transition count 211
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 130 transition count 211
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 15 place count 130 transition count 207
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 19 place count 126 transition count 180
Iterating global reduction 2 with 4 rules applied. Total rules applied 23 place count 126 transition count 180
Applied a total of 23 rules in 12 ms. Remains 126 /135 variables (removed 9) and now considering 180/217 (removed 37) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 126/135 places, 180/217 transitions.
// Phase 1: matrix 180 rows 126 cols
[2024-05-31 21:19:31] [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 (229798 resets) in 2181 ms. (458 steps per ms)
BEST_FIRST walk for 1000001 steps (95950 resets) in 978 ms. (1021 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2024-05-31 21:19:34] [INFO ] Invariant cache hit.
[2024-05-31 21:19:34] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:34] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 21:19:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:34] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:34] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2024-05-31 21:19:34] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-31 21:19:34] [INFO ] [Nat]Added 58 Read/Feed constraints in 20 ms returned sat
[2024-05-31 21:19:34] [INFO ] Computed and/alt/rep : 50/119/50 causal constraints (skipped 129 transitions) in 17 ms.
[2024-05-31 21:19:34] [INFO ] Added : 12 causal constraints over 3 iterations in 61 ms. Result :sat
Minimization took 81 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 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 180/180 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 126/126 places, 180/180 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 180/180 transitions.
Applied a total of 0 rules in 12 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2024-05-31 21:19:34] [INFO ] Invariant cache hit.
[2024-05-31 21:19:34] [INFO ] Implicit Places using invariants in 75 ms returned []
[2024-05-31 21:19:34] [INFO ] Invariant cache hit.
[2024-05-31 21:19:35] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-31 21:19:35] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
[2024-05-31 21:19:35] [INFO ] Redundant transitions in 2 ms returned []
Running 179 sub problems to find dead transitions.
[2024-05-31 21:19:35] [INFO ] Invariant cache hit.
[2024-05-31 21:19:35] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 180/306 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (OVERLAPS) 0/306 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 186 constraints, problems are : Problem set: 0 solved, 179 unsolved in 4865 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 179 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 180/306 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 179/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 8 (OVERLAPS) 0/306 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Int declared 306/306 variables, and 365 constraints, problems are : Problem set: 0 solved, 179 unsolved in 11172 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints]
After SMT, in 16254ms problems are : Problem set: 0 solved, 179 unsolved
Search for dead transitions found 0 dead transitions in 16256ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16631 ms. Remains : 126/126 places, 180/180 transitions.
RANDOM walk for 40000 steps (9245 resets) in 162 ms. (245 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3817 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3838 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
Probably explored full state space saw : 24496 states, properties seen :1
Probabilistic random walk after 58102 steps, saw 24496 distinct states, run finished after 183 ms. (steps per millisecond=317 ) properties seen :1
Explored full state space saw : 24531 states, properties seen :0
Exhaustive walk after 58137 steps, saw 24531 distinct states, run finished after 88 ms. (steps per millisecond=660 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m04-UpperBounds-09 in 21072 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m04-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:[6]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[6]
// Phase 1: matrix 217 rows 135 cols
[2024-05-31 21:19:51] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 10000 steps (2323 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (920 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[6]
[2024-05-31 21:19:51] [INFO ] Invariant cache hit.
[2024-05-31 21:19:51] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:19:52] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-05-31 21:19:52] [INFO ] State equation strengthened by 90 read => feed constraints.
[2024-05-31 21:19:52] [INFO ] [Real]Added 90 Read/Feed constraints in 21 ms returned sat
[2024-05-31 21:19:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:52] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:19:52] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2024-05-31 21:19:52] [INFO ] [Nat]Added 90 Read/Feed constraints in 17 ms returned sat
[2024-05-31 21:19:52] [INFO ] Computed and/alt/rep : 52/125/52 causal constraints (skipped 164 transitions) in 18 ms.
[2024-05-31 21:19:52] [INFO ] Added : 16 causal constraints over 4 iterations in 112 ms. Result :sat
Minimization took 108 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[6]
Support contains 1 out of 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 217/217 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 132 transition count 214
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 132 transition count 214
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 132 transition count 213
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 130 transition count 210
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 130 transition count 210
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 13 place count 130 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 15 place count 128 transition count 193
Iterating global reduction 2 with 2 rules applied. Total rules applied 17 place count 128 transition count 193
Applied a total of 17 rules in 12 ms. Remains 128 /135 variables (removed 7) and now considering 193/217 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 128/135 places, 193/217 transitions.
// Phase 1: matrix 193 rows 128 cols
[2024-05-31 21:19:52] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 1000000 steps (230092 resets) in 2345 ms. (426 steps per ms)
BEST_FIRST walk for 1000001 steps (95612 resets) in 1035 ms. (965 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[6]
[2024-05-31 21:19:55] [INFO ] Invariant cache hit.
[2024-05-31 21:19:55] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:55] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-31 21:19:55] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 21:19:55] [INFO ] [Real]Added 72 Read/Feed constraints in 15 ms returned sat
[2024-05-31 21:19:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:56] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:19:56] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2024-05-31 21:19:56] [INFO ] [Nat]Added 72 Read/Feed constraints in 17 ms returned sat
[2024-05-31 21:19:56] [INFO ] Computed and/alt/rep : 50/117/50 causal constraints (skipped 142 transitions) in 13 ms.
[2024-05-31 21:19:56] [INFO ] Added : 13 causal constraints over 3 iterations in 67 ms. Result :sat
Minimization took 83 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[6]
Support contains 1 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 193/193 transitions.
Applied a total of 0 rules in 4 ms. Remains 128 /128 variables (removed 0) and now considering 193/193 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 128/128 places, 193/193 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 193/193 transitions.
Applied a total of 0 rules in 4 ms. Remains 128 /128 variables (removed 0) and now considering 193/193 (removed 0) transitions.
[2024-05-31 21:19:56] [INFO ] Invariant cache hit.
[2024-05-31 21:19:56] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:19:56] [INFO ] Invariant cache hit.
[2024-05-31 21:19:56] [INFO ] State equation strengthened by 72 read => feed constraints.
[2024-05-31 21:19:56] [INFO ] Implicit Places using invariants and state equation in 319 ms returned []
Implicit Place search using SMT with State Equation took 386 ms to find 0 implicit places.
[2024-05-31 21:19:56] [INFO ] Redundant transitions in 1 ms returned []
Running 192 sub problems to find dead transitions.
[2024-05-31 21:19:56] [INFO ] Invariant cache hit.
[2024-05-31 21:19:56] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 2 (OVERLAPS) 1/128 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 4 (OVERLAPS) 193/321 variables, 128/130 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 72/202 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 7 (OVERLAPS) 0/321 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 192 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 202 constraints, problems are : Problem set: 0 solved, 192 unsolved in 6606 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 128/128 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 192/192 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 192 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 2 (OVERLAPS) 1/128 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 4 (OVERLAPS) 193/321 variables, 128/130 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 72/202 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 192/394 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/321 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 192 unsolved
At refinement iteration 8 (OVERLAPS) 0/321 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 192 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/321 variables, and 394 constraints, problems are : Problem set: 0 solved, 192 unsolved in 12369 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 128/128 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 192/192 constraints, Known Traps: 0/0 constraints]
After SMT, in 19215ms problems are : Problem set: 0 solved, 192 unsolved
Search for dead transitions found 0 dead transitions in 19219ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19615 ms. Remains : 128/128 places, 193/193 transitions.
RANDOM walk for 40000 steps (9158 resets) in 151 ms. (263 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3864 resets) in 76 ms. (519 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3819 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
Probably explored full state space saw : 24871 states, properties seen :1
Probabilistic random walk after 59621 steps, saw 24871 distinct states, run finished after 125 ms. (steps per millisecond=476 ) properties seen :1
Explored full state space saw : 24972 states, properties seen :0
Exhaustive walk after 59773 steps, saw 24972 distinct states, run finished after 90 ms. (steps per millisecond=664 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[6]
Ending property specific reduction for DBSingleClientW-PT-d2m04-UpperBounds-12 in 24350 ms.
[2024-05-31 21:20:16] [INFO ] Flatten gal took : 54 ms
[2024-05-31 21:20:16] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-31 21:20:16] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 135 places, 217 transitions and 855 arcs took 6 ms.
Total runtime 147375 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : DBSingleClientW-PT-d2m04-UpperBounds-00
Could not compute solution for formula : DBSingleClientW-PT-d2m04-UpperBounds-05
Could not compute solution for formula : DBSingleClientW-PT-d2m04-UpperBounds-09
Could not compute solution for formula : DBSingleClientW-PT-d2m04-UpperBounds-12

BK_STOP 1717190416733

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name DBSingleClientW-PT-d2m04-UpperBounds-00
ub formula formula --maxsum=/tmp/762/ub_0_
ub formula name DBSingleClientW-PT-d2m04-UpperBounds-05
ub formula formula --maxsum=/tmp/762/ub_1_
ub formula name DBSingleClientW-PT-d2m04-UpperBounds-09
ub formula formula --maxsum=/tmp/762/ub_2_
ub formula name DBSingleClientW-PT-d2m04-UpperBounds-12
ub formula formula --maxsum=/tmp/762/ub_3_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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-d2m04"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DBSingleClientW-PT-d2m04, 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 r480-tall-171624189500549"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m04.tgz
mv DBSingleClientW-PT-d2m04 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;