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Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r233-tall-167856419600941
Last Updated
May 14, 2023

About the Execution of LTSMin+red for MultiCrashLeafsetExtension-PT-S32C08

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16167.876 3600000.00 10245393.00 4393.90 ? 1 ? 1 1 ? 1 1 1 1 1 1 1 1 1 1 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r233-tall-167856419600941.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool ltsminxred
Input is MultiCrashLeafsetExtension-PT-S32C08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856419600941
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 29M
-rw-r--r-- 1 mcc users 14K Feb 26 02:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 26 02:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 02:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Feb 26 02:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.6K Feb 25 16:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 16:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 16:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 25K Feb 26 03:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Feb 26 03:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Feb 26 03:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 26 03:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K Feb 25 16:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 28M Mar 5 18:22 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 MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-00
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-01
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-02
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-03
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-04
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-05
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-06
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-07
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-08
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-09
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-10
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-11
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-12
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-13
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-14
FORMULA_NAME MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679671918152

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MultiCrashLeafsetExtension-PT-S32C08
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-24 15:31:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-24 15:31:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-24 15:32:00] [INFO ] Load time of PNML (sax parser for PT used): 875 ms
[2023-03-24 15:32:00] [INFO ] Transformed 27452 places.
[2023-03-24 15:32:00] [INFO ] Transformed 41619 transitions.
[2023-03-24 15:32:00] [INFO ] Parsed PT model containing 27452 places and 41619 transitions and 159406 arcs in 1181 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Normalized transition count is 40563 out of 41619 initially.
// Phase 1: matrix 40563 rows 27452 cols
[2023-03-24 15:32:06] [INFO ] Computed 1753 place invariants in 5212 ms
Incomplete random walk after 10000 steps, including 122 resets, run finished after 418 ms. (steps per millisecond=23 ) properties (out of 16) seen :3
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 16) seen :0
[2023-03-24 15:32:08] [INFO ] Flow matrix only has 40563 transitions (discarded 1056 similar events)
// Phase 1: matrix 40563 rows 27452 cols
[2023-03-24 15:32:13] [INFO ] Computed 1753 place invariants in 4962 ms
[2023-03-24 15:32:18] [INFO ] [Real]Absence check using 86 positive place invariants in 1297 ms returned unknown
[2023-03-24 15:32:23] [INFO ] [Real]Absence check using 86 positive place invariants in 1504 ms returned unknown
[2023-03-24 15:32:28] [INFO ] [Real]Absence check using 86 positive place invariants in 1407 ms returned sat
[2023-03-24 15:32:28] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 199 ms returned unknown
[2023-03-24 15:32:33] [INFO ] [Real]Absence check using 86 positive place invariants in 1425 ms returned sat
[2023-03-24 15:32:33] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:32:33] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 232 ms returned unknown
[2023-03-24 15:32:38] [INFO ] [Real]Absence check using 86 positive place invariants in 1427 ms returned sat
[2023-03-24 15:32:38] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 154 ms returned unknown
[2023-03-24 15:32:43] [INFO ] [Real]Absence check using 86 positive place invariants in 1425 ms returned sat
[2023-03-24 15:32:43] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 197 ms returned unknown
[2023-03-24 15:32:47] [INFO ] [Real]Absence check using 86 positive place invariants in 1362 ms returned sat
[2023-03-24 15:32:48] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:32:48] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 367 ms returned unknown
[2023-03-24 15:32:52] [INFO ] [Real]Absence check using 86 positive place invariants in 1372 ms returned sat
[2023-03-24 15:32:53] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 402 ms returned unknown
[2023-03-24 15:32:58] [INFO ] [Real]Absence check using 86 positive place invariants in 1393 ms returned sat
[2023-03-24 15:32:58] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 332 ms returned unknown
[2023-03-24 15:33:03] [INFO ] [Real]Absence check using 86 positive place invariants in 1386 ms returned sat
[2023-03-24 15:33:03] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 309 ms returned unknown
[2023-03-24 15:33:08] [INFO ] [Real]Absence check using 86 positive place invariants in 1376 ms returned sat
[2023-03-24 15:33:08] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 326 ms returned unknown
[2023-03-24 15:33:13] [INFO ] [Real]Absence check using 86 positive place invariants in 1412 ms returned sat
[2023-03-24 15:33:13] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 219 ms returned unknown
[2023-03-24 15:33:18] [INFO ] [Real]Absence check using 86 positive place invariants in 1433 ms returned sat
[2023-03-24 15:33:18] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 232 ms returned unknown
[2023-03-24 15:33:23] [INFO ] [Real]Absence check using 86 positive place invariants in 1407 ms returned sat
[2023-03-24 15:33:23] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:33:23] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 330 ms returned unknown
[2023-03-24 15:33:28] [INFO ] [Real]Absence check using 86 positive place invariants in 1419 ms returned sat
[2023-03-24 15:33:28] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 14
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.assertInvariants(DeadlockTester.java:2347)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:886)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2618)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
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:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-24 15:33:33] [INFO ] [Real]Absence check using 86 positive place invariants in 1445 ms returned sat
[2023-03-24 15:33:33] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:33:33] [INFO ] [Real]Absence check using 86 positive and 1667 generalized place invariants in 272 ms returned unknown
Current structural bounds on expressions (after SMT) : [1, 33, 33, 33, 33, 1, 99, 44, 33, -1, 33, 33, 99, 99, 33, 99] Max seen :[0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0]
Support contains 16 out of 27452 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27452/27452 places, 41619/41619 transitions.
Graph (complete) has 92537 edges and 27452 vertex of which 27400 are kept as prefixes of interest. Removing 52 places using SCC suffix rule.65 ms
Discarding 52 places :
Also discarding 0 output transitions
Drop transitions removed 8407 transitions
Trivial Post-agglo rules discarded 8407 transitions
Performed 8407 trivial Post agglomeration. Transition count delta: 8407
Iterating post reduction 0 with 8407 rules applied. Total rules applied 8408 place count 27400 transition count 33212
Reduce places removed 8407 places and 0 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Iterating post reduction 1 with 8443 rules applied. Total rules applied 16851 place count 18993 transition count 33176
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 16887 place count 18957 transition count 33176
Performed 526 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 526 Pre rules applied. Total rules applied 16887 place count 18957 transition count 32650
Deduced a syphon composed of 526 places in 48 ms
Reduce places removed 526 places and 0 transitions.
Iterating global reduction 3 with 1052 rules applied. Total rules applied 17939 place count 18431 transition count 32650
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 45 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 3 with 66 rules applied. Total rules applied 18005 place count 18398 transition count 32617
Free-agglomeration rule (complex) applied 1571 times.
Iterating global reduction 3 with 1571 rules applied. Total rules applied 19576 place count 18398 transition count 31046
Reduce places removed 1571 places and 0 transitions.
Iterating post reduction 3 with 1571 rules applied. Total rules applied 21147 place count 16827 transition count 31046
Discarding 7911 places :
Symmetric choice reduction at 4 with 7911 rule applications. Total rules 29058 place count 8916 transition count 23135
Iterating global reduction 4 with 7911 rules applied. Total rules applied 36969 place count 8916 transition count 23135
Partial Free-agglomeration rule applied 262 times.
Drop transitions removed 262 transitions
Iterating global reduction 4 with 262 rules applied. Total rules applied 37231 place count 8916 transition count 23135
Applied a total of 37231 rules in 13589 ms. Remains 8916 /27452 variables (removed 18536) and now considering 23135/41619 (removed 18484) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13594 ms. Remains : 8916/27452 places, 23135/41619 transitions.
Normalized transition count is 21569 out of 23135 initially.
// Phase 1: matrix 21569 rows 8916 cols
[2023-03-24 15:33:48] [INFO ] Computed 1701 place invariants in 960 ms
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Interrupted random walk after 397087 steps, including 8043 resets, run timeout after 30001 ms. (steps per millisecond=13 ) properties seen 9
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 591517 steps, including 1152 resets, run timeout after 5001 ms. (steps per millisecond=118 ) properties seen 4
Interrupted Best-First random walk after 594364 steps, including 1157 resets, run timeout after 5001 ms. (steps per millisecond=118 ) properties seen 3
Interrupted Best-First random walk after 596597 steps, including 1162 resets, run timeout after 5001 ms. (steps per millisecond=119 ) properties seen 4
Interrupted Best-First random walk after 604569 steps, including 1177 resets, run timeout after 5001 ms. (steps per millisecond=120 ) properties seen 3
Interrupted Best-First random walk after 603845 steps, including 1175 resets, run timeout after 5001 ms. (steps per millisecond=120 ) properties seen 3
Interrupted Best-First random walk after 600565 steps, including 1169 resets, run timeout after 5001 ms. (steps per millisecond=120 ) properties seen 3
Interrupted Best-First random walk after 597454 steps, including 1163 resets, run timeout after 5001 ms. (steps per millisecond=119 ) properties seen 3
Interrupted Best-First random walk after 589417 steps, including 1148 resets, run timeout after 5001 ms. (steps per millisecond=117 ) properties seen 4
Interrupted Best-First random walk after 597121 steps, including 1163 resets, run timeout after 5001 ms. (steps per millisecond=119 ) properties seen 4
Interrupted Best-First random walk after 596964 steps, including 1162 resets, run timeout after 5001 ms. (steps per millisecond=119 ) properties seen 4
[2023-03-24 15:35:08] [INFO ] Flow matrix only has 21569 transitions (discarded 1566 similar events)
// Phase 1: matrix 21569 rows 8916 cols
[2023-03-24 15:35:09] [INFO ] Computed 1701 place invariants in 974 ms
[2023-03-24 15:35:10] [INFO ] [Real]Absence check using 65 positive place invariants in 224 ms returned sat
[2023-03-24 15:35:10] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 586 ms returned sat
[2023-03-24 15:35:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:35:29] [INFO ] [Real]Absence check using state equation in 18749 ms returned sat
[2023-03-24 15:35:30] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:35:31] [INFO ] [Nat]Absence check using 65 positive place invariants in 219 ms returned sat
[2023-03-24 15:35:31] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 620 ms returned sat
[2023-03-24 15:35:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:35:50] [INFO ] [Nat]Absence check using state equation in 18679 ms returned sat
[2023-03-24 15:35:50] [INFO ] State equation strengthened by 13378 read => feed constraints.
[2023-03-24 15:35:54] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:35:57] [INFO ] [Nat]Added 13378 Read/Feed constraints in 6846 ms returned unknown
[2023-03-24 15:35:58] [INFO ] [Real]Absence check using 65 positive place invariants in 214 ms returned sat
[2023-03-24 15:35:59] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 598 ms returned sat
[2023-03-24 15:35:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:36:14] [INFO ] [Real]Absence check using state equation in 15294 ms returned sat
[2023-03-24 15:36:14] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:36:16] [INFO ] [Nat]Absence check using 65 positive place invariants in 215 ms returned sat
[2023-03-24 15:36:16] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 618 ms returned sat
[2023-03-24 15:36:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:36:32] [INFO ] [Nat]Absence check using state equation in 15856 ms returned sat
[2023-03-24 15:36:36] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:36:37] [INFO ] [Nat]Added 13378 Read/Feed constraints in 4827 ms returned sat
[2023-03-24 15:36:40] [INFO ] Computed and/alt/rep : 10942/15912/10942 causal constraints (skipped 10594 transitions) in 1789 ms.
[2023-03-24 15:36:44] [INFO ] Added : 9 causal constraints over 2 iterations in 6078 ms. Result :sat
[2023-03-24 15:36:46] [INFO ] [Real]Absence check using 65 positive place invariants in 235 ms returned sat
[2023-03-24 15:36:46] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 575 ms returned sat
[2023-03-24 15:36:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:37:00] [INFO ] [Real]Absence check using state equation in 13523 ms returned sat
[2023-03-24 15:37:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:37:01] [INFO ] [Nat]Absence check using 65 positive place invariants in 195 ms returned sat
[2023-03-24 15:37:02] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 583 ms returned sat
[2023-03-24 15:37:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:37:19] [INFO ] [Nat]Absence check using state equation in 17115 ms returned sat
[2023-03-24 15:37:23] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:37:26] [INFO ] [Nat]Added 13378 Read/Feed constraints in 7234 ms returned unknown
[2023-03-24 15:37:27] [INFO ] [Real]Absence check using 65 positive place invariants in 213 ms returned sat
[2023-03-24 15:37:27] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 363 ms returned unsat
[2023-03-24 15:37:28] [INFO ] [Real]Absence check using 65 positive place invariants in 212 ms returned sat
[2023-03-24 15:37:29] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 560 ms returned unsat
[2023-03-24 15:37:30] [INFO ] [Real]Absence check using 65 positive place invariants in 211 ms returned sat
[2023-03-24 15:37:30] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 282 ms returned unsat
[2023-03-24 15:37:31] [INFO ] [Real]Absence check using 65 positive place invariants in 208 ms returned sat
[2023-03-24 15:37:32] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 577 ms returned sat
[2023-03-24 15:37:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:37:48] [INFO ] [Real]Absence check using state equation in 16693 ms returned sat
[2023-03-24 15:37:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:37:50] [INFO ] [Nat]Absence check using 65 positive place invariants in 199 ms returned sat
[2023-03-24 15:37:50] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 594 ms returned sat
[2023-03-24 15:37:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:38:06] [INFO ] [Nat]Absence check using state equation in 15482 ms returned sat
[2023-03-24 15:38:10] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:38:13] [INFO ] [Nat]Added 13378 Read/Feed constraints in 6749 ms returned unknown
[2023-03-24 15:38:14] [INFO ] [Real]Absence check using 65 positive place invariants in 205 ms returned sat
[2023-03-24 15:38:14] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 178 ms returned unsat
[2023-03-24 15:38:15] [INFO ] [Real]Absence check using 65 positive place invariants in 226 ms returned sat
[2023-03-24 15:38:15] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 162 ms returned unsat
[2023-03-24 15:38:16] [INFO ] [Real]Absence check using 65 positive place invariants in 208 ms returned sat
[2023-03-24 15:38:16] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 54 ms returned unsat
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max seen :[0, 0, 0, 1, 1, 1, 0, 1, 1, 1]
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 4 out of 8916 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8916/8916 places, 23135/23135 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 8916 transition count 23131
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 8912 transition count 23131
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 8 place count 8912 transition count 23129
Deduced a syphon composed of 2 places in 14 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 8910 transition count 23129
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 2 with 8 rules applied. Total rules applied 20 place count 8910 transition count 23121
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 28 place count 8902 transition count 23121
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 36 place count 8894 transition count 23113
Iterating global reduction 3 with 8 rules applied. Total rules applied 44 place count 8894 transition count 23113
Applied a total of 44 rules in 3513 ms. Remains 8894 /8916 variables (removed 22) and now considering 23113/23135 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3513 ms. Remains : 8894/8916 places, 23113/23135 transitions.
Normalized transition count is 21547 out of 23113 initially.
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:38:21] [INFO ] Computed 1701 place invariants in 966 ms
Interrupted random walk after 397409 steps, including 8058 resets, run timeout after 30001 ms. (steps per millisecond=13 ) properties seen 0
Interrupted Best-First random walk after 584663 steps, including 1138 resets, run timeout after 5001 ms. (steps per millisecond=116 ) properties seen 0
Interrupted Best-First random walk after 584488 steps, including 1138 resets, run timeout after 5001 ms. (steps per millisecond=116 ) properties seen 0
Interrupted Best-First random walk after 583660 steps, including 1136 resets, run timeout after 5001 ms. (steps per millisecond=116 ) properties seen 0
Interrupted Best-First random walk after 582092 steps, including 1133 resets, run timeout after 5001 ms. (steps per millisecond=116 ) properties seen 0
[2023-03-24 15:39:11] [INFO ] Flow matrix only has 21547 transitions (discarded 1566 similar events)
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:39:12] [INFO ] Computed 1701 place invariants in 959 ms
[2023-03-24 15:39:13] [INFO ] [Real]Absence check using 65 positive place invariants in 214 ms returned sat
[2023-03-24 15:39:13] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 601 ms returned sat
[2023-03-24 15:39:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:39:31] [INFO ] [Real]Absence check using state equation in 17669 ms returned sat
[2023-03-24 15:39:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:39:32] [INFO ] [Nat]Absence check using 65 positive place invariants in 203 ms returned sat
[2023-03-24 15:39:33] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 592 ms returned sat
[2023-03-24 15:39:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:39:49] [INFO ] [Nat]Absence check using state equation in 16287 ms returned sat
[2023-03-24 15:39:50] [INFO ] State equation strengthened by 13378 read => feed constraints.
[2023-03-24 15:39:53] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:39:56] [INFO ] [Nat]Added 13378 Read/Feed constraints in 6725 ms returned unknown
[2023-03-24 15:39:57] [INFO ] [Real]Absence check using 65 positive place invariants in 208 ms returned sat
[2023-03-24 15:39:58] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 569 ms returned sat
[2023-03-24 15:39:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:40:12] [INFO ] [Real]Absence check using state equation in 14645 ms returned sat
[2023-03-24 15:40:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:40:14] [INFO ] [Nat]Absence check using 65 positive place invariants in 201 ms returned sat
[2023-03-24 15:40:14] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 559 ms returned sat
[2023-03-24 15:40:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:40:31] [INFO ] [Nat]Absence check using state equation in 16680 ms returned sat
[2023-03-24 15:40:36] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:40:39] [INFO ] [Nat]Added 13378 Read/Feed constraints in 7692 ms returned unknown
[2023-03-24 15:40:40] [INFO ] [Real]Absence check using 65 positive place invariants in 206 ms returned sat
[2023-03-24 15:40:40] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 582 ms returned sat
[2023-03-24 15:40:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:40:58] [INFO ] [Real]Absence check using state equation in 18078 ms returned sat
[2023-03-24 15:40:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:41:00] [INFO ] [Nat]Absence check using 65 positive place invariants in 202 ms returned sat
[2023-03-24 15:41:00] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 563 ms returned sat
[2023-03-24 15:41:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:41:16] [INFO ] [Nat]Absence check using state equation in 15406 ms returned sat
[2023-03-24 15:41:20] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:41:23] [INFO ] [Nat]Added 13378 Read/Feed constraints in 6740 ms returned unknown
[2023-03-24 15:41:24] [INFO ] [Real]Absence check using 65 positive place invariants in 209 ms returned sat
[2023-03-24 15:41:24] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 592 ms returned sat
[2023-03-24 15:41:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:41:40] [INFO ] [Real]Absence check using state equation in 15947 ms returned sat
[2023-03-24 15:41:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:41:42] [INFO ] [Nat]Absence check using 65 positive place invariants in 214 ms returned sat
[2023-03-24 15:41:42] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 587 ms returned sat
[2023-03-24 15:41:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:41:58] [INFO ] [Nat]Absence check using state equation in 16280 ms returned sat
[2023-03-24 15:42:02] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:42:04] [INFO ] [Nat]Added 13378 Read/Feed constraints in 5672 ms returned sat
[2023-03-24 15:42:07] [INFO ] Computed and/alt/rep : 10925/15886/10925 causal constraints (skipped 10589 transitions) in 1815 ms.
[2023-03-24 15:42:11] [INFO ] Added : 9 causal constraints over 2 iterations in 5852 ms. Result :sat
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1] Max seen :[0, 0, 0, 0]
Support contains 4 out of 8894 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8894/8894 places, 23113/23113 transitions.
Applied a total of 0 rules in 1777 ms. Remains 8894 /8894 variables (removed 0) and now considering 23113/23113 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1777 ms. Remains : 8894/8894 places, 23113/23113 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8894/8894 places, 23113/23113 transitions.
Applied a total of 0 rules in 1655 ms. Remains 8894 /8894 variables (removed 0) and now considering 23113/23113 (removed 0) transitions.
[2023-03-24 15:42:15] [INFO ] Flow matrix only has 21547 transitions (discarded 1566 similar events)
[2023-03-24 15:42:15] [INFO ] Invariant cache hit.
[2023-03-24 15:42:16] [INFO ] Implicit Places using invariants in 782 ms returned []
Implicit Place search using SMT only with invariants took 784 ms to find 0 implicit places.
[2023-03-24 15:42:16] [INFO ] Flow matrix only has 21547 transitions (discarded 1566 similar events)
[2023-03-24 15:42:16] [INFO ] Invariant cache hit.
[2023-03-24 15:42:17] [INFO ] Dead Transitions using invariants and state equation in 765 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3219 ms. Remains : 8894/8894 places, 23113/23113 transitions.
Starting property specific reduction for MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-00
Normalized transition count is 21547 out of 23113 initially.
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:42:18] [INFO ] Computed 1701 place invariants in 937 ms
Incomplete random walk after 10000 steps, including 202 resets, run finished after 748 ms. (steps per millisecond=13 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 1) seen :0
[2023-03-24 15:42:19] [INFO ] Flow matrix only has 21547 transitions (discarded 1566 similar events)
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:42:20] [INFO ] Computed 1701 place invariants in 957 ms
[2023-03-24 15:42:21] [INFO ] [Real]Absence check using 65 positive place invariants in 216 ms returned sat
[2023-03-24 15:42:21] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 576 ms returned sat
[2023-03-24 15:42:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:42:25] [INFO ] [Real]Absence check using state equation in 3462 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 8894 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8894/8894 places, 23113/23113 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8894 transition count 23112
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 8893 transition count 23112
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 8893 transition count 23110
Deduced a syphon composed of 2 places in 11 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 8891 transition count 23110
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 7 place count 8891 transition count 23109
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 8 place count 8890 transition count 23109
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 9 place count 8889 transition count 23108
Iterating global reduction 3 with 1 rules applied. Total rules applied 10 place count 8889 transition count 23108
Applied a total of 10 rules in 5166 ms. Remains 8889 /8894 variables (removed 5) and now considering 23108/23113 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5169 ms. Remains : 8889/8894 places, 23108/23113 transitions.
Normalized transition count is 21542 out of 23108 initially.
// Phase 1: matrix 21542 rows 8889 cols
[2023-03-24 15:42:31] [INFO ] Computed 1701 place invariants in 949 ms
Interrupted random walk after 406670 steps, including 8245 resets, run timeout after 30001 ms. (steps per millisecond=13 ) properties seen 0
Interrupted Best-First random walk after 604571 steps, including 1177 resets, run timeout after 5001 ms. (steps per millisecond=120 ) properties seen 0
[2023-03-24 15:43:06] [INFO ] Flow matrix only has 21542 transitions (discarded 1566 similar events)
// Phase 1: matrix 21542 rows 8889 cols
[2023-03-24 15:43:07] [INFO ] Computed 1701 place invariants in 941 ms
[2023-03-24 15:43:08] [INFO ] [Real]Absence check using 63 positive place invariants in 175 ms returned sat
[2023-03-24 15:43:08] [INFO ] [Real]Absence check using 63 positive and 1638 generalized place invariants in 648 ms returned sat
[2023-03-24 15:43:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:43:23] [INFO ] [Real]Absence check using state equation in 14187 ms returned sat
[2023-03-24 15:43:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:43:24] [INFO ] [Nat]Absence check using 63 positive place invariants in 185 ms returned sat
[2023-03-24 15:43:25] [INFO ] [Nat]Absence check using 63 positive and 1638 generalized place invariants in 641 ms returned sat
[2023-03-24 15:43:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:43:42] [INFO ] [Nat]Absence check using state equation in 17408 ms returned sat
[2023-03-24 15:43:42] [INFO ] State equation strengthened by 13378 read => feed constraints.
[2023-03-24 15:43:46] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:43:49] [INFO ] [Nat]Added 13378 Read/Feed constraints in 6805 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 8889 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8889/8889 places, 23108/23108 transitions.
Applied a total of 0 rules in 1650 ms. Remains 8889 /8889 variables (removed 0) and now considering 23108/23108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1650 ms. Remains : 8889/8889 places, 23108/23108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8889/8889 places, 23108/23108 transitions.
Applied a total of 0 rules in 1636 ms. Remains 8889 /8889 variables (removed 0) and now considering 23108/23108 (removed 0) transitions.
[2023-03-24 15:43:52] [INFO ] Flow matrix only has 21542 transitions (discarded 1566 similar events)
[2023-03-24 15:43:52] [INFO ] Invariant cache hit.
[2023-03-24 15:43:53] [INFO ] Implicit Places using invariants in 823 ms returned []
Implicit Place search using SMT only with invariants took 824 ms to find 0 implicit places.
[2023-03-24 15:43:53] [INFO ] Flow matrix only has 21542 transitions (discarded 1566 similar events)
[2023-03-24 15:43:53] [INFO ] Invariant cache hit.
[2023-03-24 15:43:54] [INFO ] Dead Transitions using invariants and state equation in 816 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3284 ms. Remains : 8889/8889 places, 23108/23108 transitions.
Ending property specific reduction for MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-00 in 97151 ms.
Starting property specific reduction for MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-02
Normalized transition count is 21547 out of 23113 initially.
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:43:55] [INFO ] Computed 1701 place invariants in 971 ms
Incomplete random walk after 10000 steps, including 202 resets, run finished after 779 ms. (steps per millisecond=12 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 1) seen :0
[2023-03-24 15:43:56] [INFO ] Flow matrix only has 21547 transitions (discarded 1566 similar events)
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:43:57] [INFO ] Computed 1701 place invariants in 971 ms
[2023-03-24 15:43:58] [INFO ] [Real]Absence check using 65 positive place invariants in 208 ms returned sat
[2023-03-24 15:43:58] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 596 ms returned sat
[2023-03-24 15:43:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:44:02] [INFO ] [Real]Absence check using state equation in 3434 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 8894 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8894/8894 places, 23113/23113 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 8894 transition count 23111
Deduced a syphon composed of 2 places in 11 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 8892 transition count 23111
Applied a total of 4 rules in 1737 ms. Remains 8892 /8894 variables (removed 2) and now considering 23111/23113 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1738 ms. Remains : 8892/8894 places, 23111/23113 transitions.
Normalized transition count is 21545 out of 23111 initially.
// Phase 1: matrix 21545 rows 8892 cols
[2023-03-24 15:44:05] [INFO ] Computed 1701 place invariants in 943 ms
Interrupted random walk after 394535 steps, including 8002 resets, run timeout after 30001 ms. (steps per millisecond=13 ) properties seen 0
Interrupted Best-First random walk after 578977 steps, including 1127 resets, run timeout after 5001 ms. (steps per millisecond=115 ) properties seen 0
[2023-03-24 15:44:40] [INFO ] Flow matrix only has 21545 transitions (discarded 1566 similar events)
// Phase 1: matrix 21545 rows 8892 cols
[2023-03-24 15:44:41] [INFO ] Computed 1701 place invariants in 979 ms
[2023-03-24 15:44:42] [INFO ] [Real]Absence check using 65 positive place invariants in 198 ms returned sat
[2023-03-24 15:44:42] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 610 ms returned sat
[2023-03-24 15:44:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:44:56] [INFO ] [Real]Absence check using state equation in 13309 ms returned sat
[2023-03-24 15:44:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:44:57] [INFO ] [Nat]Absence check using 65 positive place invariants in 201 ms returned sat
[2023-03-24 15:44:58] [INFO ] [Nat]Absence check using 65 positive and 1636 generalized place invariants in 596 ms returned sat
[2023-03-24 15:44:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:45:14] [INFO ] [Nat]Absence check using state equation in 16449 ms returned sat
[2023-03-24 15:45:14] [INFO ] State equation strengthened by 13378 read => feed constraints.
[2023-03-24 15:45:18] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:45:19] [INFO ] [Nat]Added 13378 Read/Feed constraints in 4481 ms returned sat
[2023-03-24 15:45:21] [INFO ] Computed and/alt/rep : 10924/15885/10924 causal constraints (skipped 10588 transitions) in 1642 ms.
[2023-03-24 15:45:25] [INFO ] Added : 9 causal constraints over 2 iterations in 5833 ms. Result :sat
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 8892 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8892/8892 places, 23111/23111 transitions.
Applied a total of 0 rules in 1675 ms. Remains 8892 /8892 variables (removed 0) and now considering 23111/23111 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1675 ms. Remains : 8892/8892 places, 23111/23111 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8892/8892 places, 23111/23111 transitions.
Applied a total of 0 rules in 1702 ms. Remains 8892 /8892 variables (removed 0) and now considering 23111/23111 (removed 0) transitions.
[2023-03-24 15:45:30] [INFO ] Flow matrix only has 21545 transitions (discarded 1566 similar events)
[2023-03-24 15:45:30] [INFO ] Invariant cache hit.
[2023-03-24 15:45:31] [INFO ] Implicit Places using invariants in 802 ms returned []
Implicit Place search using SMT only with invariants took 803 ms to find 0 implicit places.
[2023-03-24 15:45:31] [INFO ] Flow matrix only has 21545 transitions (discarded 1566 similar events)
[2023-03-24 15:45:31] [INFO ] Invariant cache hit.
[2023-03-24 15:45:31] [INFO ] Dead Transitions using invariants and state equation in 805 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3317 ms. Remains : 8892/8892 places, 23111/23111 transitions.
Ending property specific reduction for MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-02 in 97307 ms.
Starting property specific reduction for MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-05
Normalized transition count is 21547 out of 23113 initially.
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:45:32] [INFO ] Computed 1701 place invariants in 973 ms
Incomplete random walk after 10000 steps, including 202 resets, run finished after 772 ms. (steps per millisecond=12 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 1) seen :0
[2023-03-24 15:45:33] [INFO ] Flow matrix only has 21547 transitions (discarded 1566 similar events)
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:45:34] [INFO ] Computed 1701 place invariants in 994 ms
[2023-03-24 15:45:35] [INFO ] [Real]Absence check using 65 positive place invariants in 217 ms returned sat
[2023-03-24 15:45:36] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 596 ms returned sat
[2023-03-24 15:45:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:45:39] [INFO ] [Real]Absence check using state equation in 3409 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 8894 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8894/8894 places, 23113/23113 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8894 transition count 23112
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 8893 transition count 23112
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 8893 transition count 23110
Deduced a syphon composed of 2 places in 17 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 8891 transition count 23110
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 7 place count 8891 transition count 23109
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 8 place count 8890 transition count 23109
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 9 place count 8889 transition count 23108
Iterating global reduction 3 with 1 rules applied. Total rules applied 10 place count 8889 transition count 23108
Applied a total of 10 rules in 5223 ms. Remains 8889 /8894 variables (removed 5) and now considering 23108/23113 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5226 ms. Remains : 8889/8894 places, 23108/23113 transitions.
Normalized transition count is 21542 out of 23108 initially.
// Phase 1: matrix 21542 rows 8889 cols
[2023-03-24 15:45:45] [INFO ] Computed 1701 place invariants in 970 ms
Interrupted random walk after 391061 steps, including 7931 resets, run timeout after 30001 ms. (steps per millisecond=13 ) properties seen 0
Interrupted Best-First random walk after 604269 steps, including 1177 resets, run timeout after 5001 ms. (steps per millisecond=120 ) properties seen 0
[2023-03-24 15:46:20] [INFO ] Flow matrix only has 21542 transitions (discarded 1566 similar events)
// Phase 1: matrix 21542 rows 8889 cols
[2023-03-24 15:46:21] [INFO ] Computed 1701 place invariants in 927 ms
[2023-03-24 15:46:22] [INFO ] [Real]Absence check using 63 positive place invariants in 172 ms returned sat
[2023-03-24 15:46:23] [INFO ] [Real]Absence check using 63 positive and 1638 generalized place invariants in 652 ms returned sat
[2023-03-24 15:46:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:46:37] [INFO ] [Real]Absence check using state equation in 14294 ms returned sat
[2023-03-24 15:46:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-24 15:46:39] [INFO ] [Nat]Absence check using 63 positive place invariants in 193 ms returned sat
[2023-03-24 15:46:39] [INFO ] [Nat]Absence check using 63 positive and 1638 generalized place invariants in 654 ms returned sat
[2023-03-24 15:46:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-24 15:46:55] [INFO ] [Nat]Absence check using state equation in 15672 ms returned sat
[2023-03-24 15:46:55] [INFO ] State equation strengthened by 13378 read => feed constraints.
[2023-03-24 15:46:59] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-24 15:47:02] [INFO ] [Nat]Added 13378 Read/Feed constraints in 6761 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 8889 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8889/8889 places, 23108/23108 transitions.
Applied a total of 0 rules in 1588 ms. Remains 8889 /8889 variables (removed 0) and now considering 23108/23108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1588 ms. Remains : 8889/8889 places, 23108/23108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8889/8889 places, 23108/23108 transitions.
Applied a total of 0 rules in 1608 ms. Remains 8889 /8889 variables (removed 0) and now considering 23108/23108 (removed 0) transitions.
[2023-03-24 15:47:05] [INFO ] Flow matrix only has 21542 transitions (discarded 1566 similar events)
[2023-03-24 15:47:05] [INFO ] Invariant cache hit.
[2023-03-24 15:47:06] [INFO ] Implicit Places using invariants in 769 ms returned []
Implicit Place search using SMT only with invariants took 770 ms to find 0 implicit places.
[2023-03-24 15:47:06] [INFO ] Flow matrix only has 21542 transitions (discarded 1566 similar events)
[2023-03-24 15:47:06] [INFO ] Invariant cache hit.
[2023-03-24 15:47:07] [INFO ] Dead Transitions using invariants and state equation in 788 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3176 ms. Remains : 8889/8889 places, 23108/23108 transitions.
Ending property specific reduction for MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-05 in 95394 ms.
Starting property specific reduction for MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-11
Normalized transition count is 21547 out of 23113 initially.
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:47:08] [INFO ] Computed 1701 place invariants in 946 ms
Incomplete random walk after 10000 steps, including 202 resets, run finished after 739 ms. (steps per millisecond=13 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 1) seen :0
[2023-03-24 15:47:09] [INFO ] Flow matrix only has 21547 transitions (discarded 1566 similar events)
// Phase 1: matrix 21547 rows 8894 cols
[2023-03-24 15:47:09] [INFO ] Computed 1701 place invariants in 954 ms
[2023-03-24 15:47:10] [INFO ] [Real]Absence check using 65 positive place invariants in 199 ms returned sat
[2023-03-24 15:47:11] [INFO ] [Real]Absence check using 65 positive and 1636 generalized place invariants in 603 ms returned sat
[2023-03-24 15:47:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-24 15:47:15] [INFO ] [Real]Absence check using state equation in 3462 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 8894 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8894/8894 places, 23113/23113 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8894 transition count 23112
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 8893 transition count 23112
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 3 place count 8893 transition count 23111
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 8892 transition count 23111
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 5 place count 8891 transition count 23110
Iterating global reduction 3 with 1 rules applied. Total rules applied 6 place count 8891 transition count 23110
Applied a total of 6 rules in 4959 ms. Remains 8891 /8894 variables (removed 3) and now considering 23110/23113 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4960 ms. Remains : 8891/8894 places, 23110/23113 transitions.
Normalized transition count is 21544 out of 23110 initially.
// Phase 1: matrix 21544 rows 8891 cols
[2023-03-24 15:47:20] [INFO ] Computed 1701 place invariants in 953 ms
Finished random walk after 398283 steps, including 8076 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=13 )
FORMULA MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Ending property specific reduction for MultiCrashLeafsetExtension-PT-S32C08-UpperBounds-11 in 43731 ms.
[2023-03-24 15:47:52] [INFO ] Flatten gal took : 1251 ms
[2023-03-24 15:47:52] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-24 15:47:52] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 8894 places, 23113 transitions and 138583 arcs took 104 ms.
Total runtime 953044 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/694/ub_0_ --maxsum=/tmp/694/ub_1_ --maxsum=/tmp/694/ub_2_
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393232 kB
MemFree: 164896 kB
After kill :
MemTotal: 16393232 kB
MemFree: 16259064 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023

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="MultiCrashLeafsetExtension-PT-S32C08"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is MultiCrashLeafsetExtension-PT-S32C08, 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 r233-tall-167856419600941"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MultiCrashLeafsetExtension-PT-S32C08.tgz
mv MultiCrashLeafsetExtension-PT-S32C08 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 ;