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.r417-tall-171690556700536.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 gold2023
Input is Szymanski-PT-b02, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r417-tall-171690556700536
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 23 08:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 08:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 08:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 08:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K Apr 11 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 76K Apr 11 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Apr 11 15:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Apr 11 15:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 08:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 08:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 3.7M May 18 16:43 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 Szymanski-PT-b02-UpperBounds-00
FORMULA_NAME Szymanski-PT-b02-UpperBounds-01
FORMULA_NAME Szymanski-PT-b02-UpperBounds-02
FORMULA_NAME Szymanski-PT-b02-UpperBounds-03
FORMULA_NAME Szymanski-PT-b02-UpperBounds-04
FORMULA_NAME Szymanski-PT-b02-UpperBounds-05
FORMULA_NAME Szymanski-PT-b02-UpperBounds-06
FORMULA_NAME Szymanski-PT-b02-UpperBounds-07
FORMULA_NAME Szymanski-PT-b02-UpperBounds-08
FORMULA_NAME Szymanski-PT-b02-UpperBounds-09
FORMULA_NAME Szymanski-PT-b02-UpperBounds-10
FORMULA_NAME Szymanski-PT-b02-UpperBounds-11
FORMULA_NAME Szymanski-PT-b02-UpperBounds-12
FORMULA_NAME Szymanski-PT-b02-UpperBounds-13
FORMULA_NAME Szymanski-PT-b02-UpperBounds-14
FORMULA_NAME Szymanski-PT-b02-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717167412857

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=gold2023
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b02
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202304061127
[2024-05-31 14:56:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-31 14:56:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 14:56:54] [INFO ] Load time of PNML (sax parser for PT used): 265 ms
[2024-05-31 14:56:54] [INFO ] Transformed 568 places.
[2024-05-31 14:56:54] [INFO ] Transformed 8320 transitions.
[2024-05-31 14:56:54] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 398 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Deduced a syphon composed of 260 places in 18 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b02-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 2733 out of 8064 initially.
// Phase 1: matrix 2733 rows 308 cols
[2024-05-31 14:56:54] [INFO ] Computed 3 invariants in 64 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 12) seen :2
FORMULA Szymanski-PT-b02-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b02-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 10) seen :1
FORMULA Szymanski-PT-b02-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 9) seen :1
FORMULA Szymanski-PT-b02-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 8) seen :1
FORMULA Szymanski-PT-b02-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 7) seen :0
[2024-05-31 14:56:55] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2024-05-31 14:56:55] [INFO ] Computed 3 invariants in 24 ms
[2024-05-31 14:56:55] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2024-05-31 14:56:55] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 14:56:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:56:55] [INFO ] [Real]Absence check using state equation in 609 ms returned sat
[2024-05-31 14:56:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:56:56] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:56:56] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 14:56:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:56:56] [INFO ] [Nat]Absence check using state equation in 586 ms returned sat
[2024-05-31 14:56:56] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:56:59] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:57:01] [INFO ] [Nat]Added 147 Read/Feed constraints in 4320 ms returned unknown
[2024-05-31 14:57:01] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:57:01] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 14:57:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:01] [INFO ] [Real]Absence check using state equation in 469 ms returned sat
[2024-05-31 14:57:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:57:01] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:57:01] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 14:57:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:02] [INFO ] [Nat]Absence check using state equation in 580 ms returned sat
[2024-05-31 14:57:05] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:57:06] [INFO ] [Nat]Added 147 Read/Feed constraints in 4376 ms returned unknown
[2024-05-31 14:57:06] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:57:06] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 14:57:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:07] [INFO ] [Real]Absence check using state equation in 525 ms returned sat
[2024-05-31 14:57:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:57:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-31 14:57:07] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:57:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:07] [INFO ] [Nat]Absence check using state equation in 561 ms returned sat
[2024-05-31 14:57:10] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:57:12] [INFO ] [Nat]Added 147 Read/Feed constraints in 4401 ms returned unknown
[2024-05-31 14:57:12] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:57:12] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 14:57:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:12] [INFO ] [Real]Absence check using state equation in 523 ms returned sat
[2024-05-31 14:57:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:57:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:57:13] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:57:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:13] [INFO ] [Nat]Absence check using state equation in 532 ms returned sat
[2024-05-31 14:57:15] [INFO ] [Nat]Added 147 Read/Feed constraints in 1851 ms returned sat
[2024-05-31 14:57:16] [INFO ] Deduced a trap composed of 85 places in 583 ms of which 6 ms to minimize.
[2024-05-31 14:57:16] [INFO ] Deduced a trap composed of 138 places in 566 ms of which 1 ms to minimize.
[2024-05-31 14:57:17] [INFO ] Deduced a trap composed of 130 places in 536 ms of which 2 ms to minimize.
[2024-05-31 14:57:17] [INFO ] Deduced a trap composed of 130 places in 507 ms of which 1 ms to minimize.
[2024-05-31 14:57:17] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2530 ms
[2024-05-31 14:57:17] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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.refineWithCausalOrder(DeadlockTester.java:1002)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:926)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2623)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:754)
at fr.lip6.move.gal.application.Application.start(Application.java:182)
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)
[2024-05-31 14:57:18] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-31 14:57:18] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 14:57:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:18] [INFO ] [Real]Absence check using state equation in 476 ms returned sat
[2024-05-31 14:57:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:57:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:57:18] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 14:57:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:19] [INFO ] [Nat]Absence check using state equation in 551 ms returned sat
[2024-05-31 14:57:22] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:57:23] [INFO ] [Nat]Added 147 Read/Feed constraints in 4396 ms returned unknown
[2024-05-31 14:57:23] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:57:23] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 14:57:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:24] [INFO ] [Real]Absence check using state equation in 472 ms returned sat
[2024-05-31 14:57:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:57:24] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 14:57:24] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 14:57:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:24] [INFO ] [Nat]Absence check using state equation in 478 ms returned sat
[2024-05-31 14:57:27] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:57:29] [INFO ] [Nat]Added 147 Read/Feed constraints in 4474 ms returned unknown
[2024-05-31 14:57:29] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-31 14:57:29] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 14:57:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:29] [INFO ] [Real]Absence check using state equation in 535 ms returned sat
[2024-05-31 14:57:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:57:29] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-31 14:57:29] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 14:57:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:30] [INFO ] [Nat]Absence check using state equation in 499 ms returned sat
[2024-05-31 14:57:33] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:57:34] [INFO ] [Nat]Added 147 Read/Feed constraints in 4457 ms returned unknown
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1, 1, 1, 1] Max seen :[0, 0, 0, 0, 0, 0, 0]
Support contains 7 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.18 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 127 place count 306 transition count 7938
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 128 place count 305 transition count 7810
Iterating global reduction 1 with 1 rules applied. Total rules applied 129 place count 305 transition count 7810
Applied a total of 129 rules in 501 ms. Remains 305 /308 variables (removed 3) and now considering 7810/8064 (removed 254) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 503 ms. Remains : 305/308 places, 7810/8064 transitions.
Normalized transition count is 2606 out of 7810 initially.
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 14:57:35] [INFO ] Computed 1 invariants in 28 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2768 ms. (steps per millisecond=361 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1014 ms. (steps per millisecond=986 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1018 ms. (steps per millisecond=982 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1009 ms. (steps per millisecond=991 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1012 ms. (steps per millisecond=988 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1006 ms. (steps per millisecond=994 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1379 ms. (steps per millisecond=725 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1386 ms. (steps per millisecond=721 ) properties (out of 7) seen :0
[2024-05-31 14:57:46] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 14:57:46] [INFO ] Computed 1 invariants in 30 ms
[2024-05-31 14:57:46] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:57:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:46] [INFO ] [Real]Absence check using state equation in 558 ms returned sat
[2024-05-31 14:57:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:57:46] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:57:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:47] [INFO ] [Nat]Absence check using state equation in 515 ms returned sat
[2024-05-31 14:57:47] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:57:50] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:57:51] [INFO ] [Nat]Added 147 Read/Feed constraints in 4123 ms returned sat
[2024-05-31 14:57:52] [INFO ] Deduced a trap composed of 74 places in 441 ms of which 1 ms to minimize.
[2024-05-31 14:57:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 574 ms
[2024-05-31 14:57:52] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2595 transitions) in 588 ms.
[2024-05-31 14:57:52] [INFO ] Added : 0 causal constraints over 0 iterations in 757 ms. Result :sat
Minimization took 2279 ms.
[2024-05-31 14:57:55] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:57:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:55] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2024-05-31 14:57:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:57:55] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:57:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:57:56] [INFO ] [Nat]Absence check using state equation in 433 ms returned sat
[2024-05-31 14:57:59] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:58:02] [INFO ] [Nat]Added 147 Read/Feed constraints in 6044 ms returned unknown
[2024-05-31 14:58:02] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:58:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:02] [INFO ] [Real]Absence check using state equation in 388 ms returned sat
[2024-05-31 14:58:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:58:02] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 8 ms returned sat
[2024-05-31 14:58:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:03] [INFO ] [Nat]Absence check using state equation in 646 ms returned sat
[2024-05-31 14:58:06] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:58:09] [INFO ] [Nat]Added 147 Read/Feed constraints in 6047 ms returned unknown
[2024-05-31 14:58:09] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:58:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:10] [INFO ] [Real]Absence check using state equation in 526 ms returned sat
[2024-05-31 14:58:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:58:10] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:58:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:10] [INFO ] [Nat]Absence check using state equation in 490 ms returned sat
[2024-05-31 14:58:13] [INFO ] [Nat]Added 147 Read/Feed constraints in 2816 ms returned sat
[2024-05-31 14:58:13] [INFO ] Deduced a trap composed of 93 places in 398 ms of which 1 ms to minimize.
[2024-05-31 14:58:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 523 ms
[2024-05-31 14:58:14] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2595 transitions) in 316 ms.
[2024-05-31 14:58:14] [INFO ] Added : 0 causal constraints over 0 iterations in 475 ms. Result :sat
Minimization took 2297 ms.
[2024-05-31 14:58:16] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:58:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:17] [INFO ] [Real]Absence check using state equation in 482 ms returned sat
[2024-05-31 14:58:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:58:17] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:58:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:18] [INFO ] [Nat]Absence check using state equation in 583 ms returned sat
[2024-05-31 14:58:21] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:58:24] [INFO ] [Nat]Added 147 Read/Feed constraints in 6046 ms returned unknown
[2024-05-31 14:58:24] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:58:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:24] [INFO ] [Real]Absence check using state equation in 453 ms returned sat
[2024-05-31 14:58:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:58:24] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:58:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:25] [INFO ] [Nat]Absence check using state equation in 631 ms returned sat
[2024-05-31 14:58:28] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:58:30] [INFO ] [Nat]Added 147 Read/Feed constraints in 5391 ms returned sat
[2024-05-31 14:58:31] [INFO ] Deduced a trap composed of 74 places in 472 ms of which 0 ms to minimize.
[2024-05-31 14:58:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 606 ms
[2024-05-31 14:58:31] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2595 transitions) in 302 ms.
[2024-05-31 14:58:31] [INFO ] Added : 0 causal constraints over 0 iterations in 470 ms. Result :sat
Minimization took 3002 ms.
[2024-05-31 14:58:34] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:58:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:35] [INFO ] [Real]Absence check using state equation in 499 ms returned sat
[2024-05-31 14:58:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:58:35] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:58:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:35] [INFO ] [Nat]Absence check using state equation in 516 ms returned sat
[2024-05-31 14:58:39] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:58:40] [INFO ] [Nat]Added 147 Read/Feed constraints in 4201 ms returned sat
[2024-05-31 14:58:40] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2595 transitions) in 305 ms.
[2024-05-31 14:58:40] [INFO ] Added : 0 causal constraints over 0 iterations in 451 ms. Result :sat
Minimization took 1355 ms.
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1, 1, 1, 1] Max seen :[0, 0, 0, 0, 0, 0, 0]
Support contains 7 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 214 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 214 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 280 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2024-05-31 14:58:42] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2024-05-31 14:58:42] [INFO ] Invariant cache hit.
[2024-05-31 14:58:43] [INFO ] Implicit Places using invariants in 436 ms returned []
[2024-05-31 14:58:43] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2024-05-31 14:58:43] [INFO ] Invariant cache hit.
[2024-05-31 14:58:43] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:58:51] [INFO ] Implicit Places using invariants and state equation in 7938 ms returned []
Implicit Place search using SMT with State Equation took 8375 ms to find 0 implicit places.
[2024-05-31 14:58:52] [INFO ] Redundant transitions in 922 ms returned []
[2024-05-31 14:58:52] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2024-05-31 14:58:52] [INFO ] Invariant cache hit.
[2024-05-31 14:58:54] [INFO ] Dead Transitions using invariants and state equation in 1995 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11580 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-01
Normalized transition count is 2606 out of 7810 initially.
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 14:58:54] [INFO ] Computed 1 invariants in 22 ms
Incomplete random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
[2024-05-31 14:58:54] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 14:58:54] [INFO ] Computed 1 invariants in 19 ms
[2024-05-31 14:58:54] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:58:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:54] [INFO ] [Real]Absence check using state equation in 498 ms returned sat
[2024-05-31 14:58:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:58:54] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:58:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:58:55] [INFO ] [Nat]Absence check using state equation in 503 ms returned sat
[2024-05-31 14:58:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:58:58] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:58:59] [INFO ] [Nat]Added 147 Read/Feed constraints in 4097 ms returned sat
[2024-05-31 14:58:59] [INFO ] Deduced a trap composed of 74 places in 418 ms of which 0 ms to minimize.
[2024-05-31 14:58:59] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
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:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1258)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:919)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2623)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:773)
at fr.lip6.move.gal.application.Application.start(Application.java:182)
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)
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 305 transition count 7808
Applied a total of 2 rules in 212 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7810 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 213 ms. Remains : 305/305 places, 7808/7810 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2024-05-31 14:59:00] [INFO ] Computed 3 invariants in 18 ms
Incomplete random walk after 1000001 steps, including 2 resets, run finished after 2690 ms. (steps per millisecond=371 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1054 ms. (steps per millisecond=948 ) properties (out of 1) seen :0
[2024-05-31 14:59:03] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2024-05-31 14:59:03] [INFO ] Computed 3 invariants in 31 ms
[2024-05-31 14:59:04] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 14:59:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:04] [INFO ] [Real]Absence check using state equation in 376 ms returned sat
[2024-05-31 14:59:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:59:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 14:59:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:05] [INFO ] [Nat]Absence check using state equation in 495 ms returned sat
[2024-05-31 14:59:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:59:08] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:59:11] [INFO ] [Nat]Added 147 Read/Feed constraints in 6044 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 193 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 194 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 179 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2024-05-31 14:59:11] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 14:59:11] [INFO ] Invariant cache hit.
[2024-05-31 14:59:11] [INFO ] Implicit Places using invariants in 478 ms returned []
[2024-05-31 14:59:11] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 14:59:11] [INFO ] Invariant cache hit.
[2024-05-31 14:59:12] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:59:13] [INFO ] Implicit Places using invariants and state equation in 2010 ms returned []
Implicit Place search using SMT with State Equation took 2490 ms to find 0 implicit places.
[2024-05-31 14:59:14] [INFO ] Redundant transitions in 836 ms returned []
[2024-05-31 14:59:14] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 14:59:14] [INFO ] Invariant cache hit.
[2024-05-31 14:59:16] [INFO ] Dead Transitions using invariants and state equation in 2036 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5555 ms. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-01 in 22698 ms.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-02
Normalized transition count is 2606 out of 7810 initially.
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 14:59:16] [INFO ] Computed 1 invariants in 17 ms
Incomplete random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
[2024-05-31 14:59:16] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 14:59:16] [INFO ] Computed 1 invariants in 17 ms
[2024-05-31 14:59:16] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:59:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:17] [INFO ] [Real]Absence check using state equation in 408 ms returned sat
[2024-05-31 14:59:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:59:17] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:59:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:17] [INFO ] [Nat]Absence check using state equation in 388 ms returned sat
[2024-05-31 14:59:17] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:59:20] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:59:22] [INFO ] [Nat]Added 147 Read/Feed constraints in 4558 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 305 transition count 7808
Applied a total of 2 rules in 200 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7810 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 202 ms. Remains : 305/305 places, 7808/7810 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2024-05-31 14:59:22] [INFO ] Computed 3 invariants in 17 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2337 ms. (steps per millisecond=427 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1031 ms. (steps per millisecond=969 ) properties (out of 1) seen :0
[2024-05-31 14:59:26] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2024-05-31 14:59:26] [INFO ] Computed 3 invariants in 19 ms
[2024-05-31 14:59:26] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 14:59:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:26] [INFO ] [Real]Absence check using state equation in 345 ms returned sat
[2024-05-31 14:59:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:59:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 14:59:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:27] [INFO ] [Nat]Absence check using state equation in 449 ms returned sat
[2024-05-31 14:59:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:59:30] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:59:32] [INFO ] [Nat]Added 147 Read/Feed constraints in 5217 ms returned sat
[2024-05-31 14:59:32] [INFO ] Deduced a trap composed of 131 places in 486 ms of which 1 ms to minimize.
[2024-05-31 14:59:33] [INFO ] Deduced a trap composed of 129 places in 490 ms of which 1 ms to minimize.
[2024-05-31 14:59:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1438 ms
[2024-05-31 14:59:33] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 315 ms.
[2024-05-31 14:59:34] [INFO ] Added : 2 causal constraints over 1 iterations in 548 ms. Result :sat
Minimization took 3001 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 188 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2024-05-31 14:59:37] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 14:59:37] [INFO ] Invariant cache hit.
[2024-05-31 14:59:38] [INFO ] Implicit Places using invariants in 478 ms returned []
[2024-05-31 14:59:38] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 14:59:38] [INFO ] Invariant cache hit.
[2024-05-31 14:59:38] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:59:40] [INFO ] Implicit Places using invariants and state equation in 2061 ms returned []
Implicit Place search using SMT with State Equation took 2542 ms to find 0 implicit places.
[2024-05-31 14:59:40] [INFO ] Redundant transitions in 641 ms returned []
[2024-05-31 14:59:40] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 14:59:40] [INFO ] Invariant cache hit.
[2024-05-31 14:59:43] [INFO ] Dead Transitions using invariants and state equation in 2267 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5636 ms. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-02 in 26232 ms.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-04
Normalized transition count is 2606 out of 7810 initially.
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 14:59:43] [INFO ] Computed 1 invariants in 18 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
[2024-05-31 14:59:43] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 14:59:43] [INFO ] Computed 1 invariants in 17 ms
[2024-05-31 14:59:43] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 14:59:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:43] [INFO ] [Real]Absence check using state equation in 449 ms returned sat
[2024-05-31 14:59:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:59:43] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 14:59:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:44] [INFO ] [Nat]Absence check using state equation in 575 ms returned sat
[2024-05-31 14:59:44] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:59:47] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:59:48] [INFO ] [Nat]Added 147 Read/Feed constraints in 4373 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 305 transition count 7808
Applied a total of 2 rules in 193 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7810 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 305/305 places, 7808/7810 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2024-05-31 14:59:48] [INFO ] Computed 3 invariants in 24 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2658 ms. (steps per millisecond=376 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 987 ms. (steps per millisecond=1013 ) properties (out of 1) seen :0
[2024-05-31 14:59:52] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2024-05-31 14:59:52] [INFO ] Computed 3 invariants in 22 ms
[2024-05-31 14:59:52] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 14:59:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:53] [INFO ] [Real]Absence check using state equation in 383 ms returned sat
[2024-05-31 14:59:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 14:59:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-31 14:59:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 14:59:53] [INFO ] [Nat]Absence check using state equation in 470 ms returned sat
[2024-05-31 14:59:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 14:59:56] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 14:59:59] [INFO ] [Nat]Added 147 Read/Feed constraints in 6040 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 193 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 176 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2024-05-31 15:00:00] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 15:00:00] [INFO ] Invariant cache hit.
[2024-05-31 15:00:00] [INFO ] Implicit Places using invariants in 481 ms returned []
[2024-05-31 15:00:00] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 15:00:00] [INFO ] Invariant cache hit.
[2024-05-31 15:00:00] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 15:00:02] [INFO ] Implicit Places using invariants and state equation in 2114 ms returned []
Implicit Place search using SMT with State Equation took 2598 ms to find 0 implicit places.
[2024-05-31 15:00:03] [INFO ] Redundant transitions in 665 ms returned []
[2024-05-31 15:00:03] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-31 15:00:03] [INFO ] Invariant cache hit.
[2024-05-31 15:00:05] [INFO ] Dead Transitions using invariants and state equation in 2059 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5506 ms. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-04 in 22351 ms.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-07
Normalized transition count is 2606 out of 7810 initially.
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 15:00:05] [INFO ] Computed 1 invariants in 20 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
[2024-05-31 15:00:05] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 15:00:05] [INFO ] Computed 1 invariants in 21 ms
[2024-05-31 15:00:05] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 15:00:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:06] [INFO ] [Real]Absence check using state equation in 477 ms returned sat
[2024-05-31 15:00:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 15:00:06] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 15:00:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:06] [INFO ] [Nat]Absence check using state equation in 498 ms returned sat
[2024-05-31 15:00:06] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 15:00:09] [INFO ] [Nat]Added 147 Read/Feed constraints in 2748 ms returned sat
[2024-05-31 15:00:09] [INFO ] Deduced a trap composed of 93 places in 410 ms of which 0 ms to minimize.
[2024-05-31 15:00:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 526 ms
[2024-05-31 15:00:10] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2595 transitions) in 315 ms.
[2024-05-31 15:00:10] [INFO ] Added : 0 causal constraints over 0 iterations in 471 ms. Result :sat
Minimization took 698 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 305 transition count 7808
Applied a total of 2 rules in 190 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7810 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 190 ms. Remains : 305/305 places, 7808/7810 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2024-05-31 15:00:11] [INFO ] Computed 3 invariants in 21 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2341 ms. (steps per millisecond=427 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 996 ms. (steps per millisecond=1004 ) properties (out of 1) seen :1
FORMULA Szymanski-PT-b02-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-07 in 9250 ms.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-11
Normalized transition count is 2606 out of 7810 initially.
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 15:00:14] [INFO ] Computed 1 invariants in 19 ms
Incomplete random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
[2024-05-31 15:00:14] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 15:00:14] [INFO ] Computed 1 invariants in 20 ms
[2024-05-31 15:00:14] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 15:00:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:15] [INFO ] [Real]Absence check using state equation in 434 ms returned sat
[2024-05-31 15:00:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 15:00:15] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 15:00:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:15] [INFO ] [Nat]Absence check using state equation in 606 ms returned sat
[2024-05-31 15:00:15] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 15:00:19] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 15:00:20] [INFO ] [Nat]Added 147 Read/Feed constraints in 4331 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 305 transition count 7809
Applied a total of 1 rules in 195 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7810 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 305/305 places, 7809/7810 transitions.
Normalized transition count is 2605 out of 7809 initially.
// Phase 1: matrix 2605 rows 305 cols
[2024-05-31 15:00:20] [INFO ] Computed 2 invariants in 22 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2597 ms. (steps per millisecond=385 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1045 ms. (steps per millisecond=956 ) properties (out of 1) seen :1
[2024-05-31 15:00:24] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2024-05-31 15:00:24] [INFO ] Computed 2 invariants in 20 ms
[2024-05-31 15:00:24] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 15:00:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 15:00:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:24] [INFO ] [Real]Absence check using state equation in 316 ms returned unsat
Current structural bounds on expressions (after SMT) : [1] Max seen :[1]
FORMULA Szymanski-PT-b02-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-11 in 9905 ms.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-14
Normalized transition count is 2606 out of 7810 initially.
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 15:00:24] [INFO ] Computed 1 invariants in 17 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
[2024-05-31 15:00:24] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 15:00:24] [INFO ] Computed 1 invariants in 17 ms
[2024-05-31 15:00:24] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 15:00:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:25] [INFO ] [Real]Absence check using state equation in 462 ms returned sat
[2024-05-31 15:00:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 15:00:25] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 15:00:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:25] [INFO ] [Nat]Absence check using state equation in 633 ms returned sat
[2024-05-31 15:00:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 15:00:28] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 15:00:29] [INFO ] [Nat]Added 147 Read/Feed constraints in 3387 ms returned sat
[2024-05-31 15:00:29] [INFO ] Deduced a trap composed of 32 places in 393 ms of which 0 ms to minimize.
[2024-05-31 15:00:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 515 ms
[2024-05-31 15:00:30] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2595 transitions) in 303 ms.
[2024-05-31 15:00:30] [INFO ] Added : 0 causal constraints over 0 iterations in 446 ms. Result :unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 305 transition count 7809
Applied a total of 1 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7810 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 305/305 places, 7809/7810 transitions.
Normalized transition count is 2605 out of 7809 initially.
// Phase 1: matrix 2605 rows 305 cols
[2024-05-31 15:00:30] [INFO ] Computed 2 invariants in 22 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2605 ms. (steps per millisecond=383 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 991 ms. (steps per millisecond=1009 ) properties (out of 1) seen :0
[2024-05-31 15:00:34] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2024-05-31 15:00:34] [INFO ] Computed 2 invariants in 19 ms
[2024-05-31 15:00:34] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2024-05-31 15:00:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:34] [INFO ] [Real]Absence check using state equation in 500 ms returned sat
[2024-05-31 15:00:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 15:00:34] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2024-05-31 15:00:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:35] [INFO ] [Nat]Absence check using state equation in 524 ms returned sat
[2024-05-31 15:00:35] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 15:00:38] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 15:00:41] [INFO ] [Nat]Added 147 Read/Feed constraints in 6039 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 183 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 176 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2024-05-31 15:00:41] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-31 15:00:41] [INFO ] Invariant cache hit.
[2024-05-31 15:00:42] [INFO ] Implicit Places using invariants in 425 ms returned []
[2024-05-31 15:00:42] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-31 15:00:42] [INFO ] Invariant cache hit.
[2024-05-31 15:00:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 15:00:49] [INFO ] Implicit Places using invariants and state equation in 7448 ms returned []
Implicit Place search using SMT with State Equation took 7876 ms to find 0 implicit places.
[2024-05-31 15:00:50] [INFO ] Redundant transitions in 670 ms returned []
[2024-05-31 15:00:50] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-31 15:00:50] [INFO ] Invariant cache hit.
[2024-05-31 15:00:52] [INFO ] Dead Transitions using invariants and state equation in 1817 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10554 ms. Remains : 305/305 places, 7809/7809 transitions.
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-14 in 27546 ms.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-15
Normalized transition count is 2606 out of 7810 initially.
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 15:00:52] [INFO ] Computed 1 invariants in 18 ms
Incomplete random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
[2024-05-31 15:00:52] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-31 15:00:52] [INFO ] Computed 1 invariants in 18 ms
[2024-05-31 15:00:52] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 15:00:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:52] [INFO ] [Real]Absence check using state equation in 453 ms returned sat
[2024-05-31 15:00:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 15:00:52] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 15:00:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 15:00:53] [INFO ] [Nat]Absence check using state equation in 465 ms returned sat
[2024-05-31 15:00:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-31 15:00:56] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 15:00:57] [INFO ] [Nat]Added 147 Read/Feed constraints in 4038 ms returned sat
[2024-05-31 15:00:57] [INFO ] Deduced a trap composed of 31 places in 300 ms of which 1 ms to minimize.
[2024-05-31 15:00:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 411 ms
[2024-05-31 15:00:57] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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.refineWithCausalOrder(DeadlockTester.java:1002)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:926)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2623)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:773)
at fr.lip6.move.gal.application.Application.start(Application.java:182)
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)
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 305 transition count 7808
Applied a total of 2 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7810 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 305/305 places, 7808/7810 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2024-05-31 15:00:57] [INFO ] Computed 3 invariants in 23 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2332 ms. (steps per millisecond=428 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1001 ms. (steps per millisecond=999 ) properties (out of 1) seen :1
FORMULA Szymanski-PT-b02-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-15 in 9209 ms.
[2024-05-31 15:01:01] [INFO ] Flatten gal took : 444 ms
[2024-05-31 15:01:02] [INFO ] Applying decomposition
[2024-05-31 15:01:02] [INFO ] Flatten gal took : 233 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202304061127/bin/convert-linux64' '-i' '/tmp/graph291526417700286853.txt' '-o' '/tmp/graph291526417700286853.bin' '-w' '/tmp/graph291526417700286853.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202304061127/bin/louvain-linux64' '/tmp/graph291526417700286853.bin' '-l' '-1' '-v' '-w' '/tmp/graph291526417700286853.weights' '-q' '0' '-e' '0.001'
[2024-05-31 15:01:03] [INFO ] Decomposing Gal with order
[2024-05-31 15:01:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-31 15:01:03] [INFO ] Removed a total of 17810 redundant transitions.
[2024-05-31 15:01:04] [INFO ] Flatten gal took : 793 ms
[2024-05-31 15:01:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 1116 labels/synchronizations in 306 ms.
[2024-05-31 15:01:04] [INFO ] Time to serialize gal into /tmp/UpperBounds4919946787169895935.gal : 49 ms
[2024-05-31 15:01:04] [INFO ] Time to serialize properties into /tmp/UpperBounds17152528754875388223.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202304061127/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds4919946787169895935.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds17152528754875388223.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202304061127/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds17152528754875388223.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,249967,29.3699,724924,2440,1558,862301,222620,8260,2.755e+06,441,1.13095e+06,0
Total reachable state count : 249967

Verifying 4 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Szymanski-PT-b02-UpperBounds-01 :0 <= u49.p150 <= 1
FORMULA Szymanski-PT-b02-UpperBounds-01 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b02-UpperBounds-01,0,29.4947,724924,1,0,862301,222620,8475,2.755e+06,479,1.13095e+06,1590
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Szymanski-PT-b02-UpperBounds-02 :0 <= i6.u35.p231 <= 1
FORMULA Szymanski-PT-b02-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b02-UpperBounds-02,0,29.4965,724924,1,0,862301,222620,8508,2.755e+06,484,1.13095e+06,1659
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Szymanski-PT-b02-UpperBounds-04 :0 <= i6.u38.p237 <= 1
FORMULA Szymanski-PT-b02-UpperBounds-04 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b02-UpperBounds-04,0,29.497,724924,1,0,862301,222620,8536,2.755e+06,494,1.13095e+06,1700
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Szymanski-PT-b02-UpperBounds-14 :0 <= i6.u27.p79 <= 1
FORMULA Szymanski-PT-b02-UpperBounds-14 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b02-UpperBounds-14,0,29.4981,724924,1,0,862301,222620,8562,2.755e+06,501,1.13095e+06,1783
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 280001 ms.

BK_STOP 1717167695055

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Szymanski-PT-b02"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2023"
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 gold2023"
echo " Input is Szymanski-PT-b02, 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 r417-tall-171690556700536"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b02.tgz
mv Szymanski-PT-b02 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 ;