Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589300165.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Szymanski-PT-b10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589300165
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 3.7M May 29 14:33 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Szymanski-PT-b10-UpperBounds-00
FORMULA_NAME Szymanski-PT-b10-UpperBounds-01
FORMULA_NAME Szymanski-PT-b10-UpperBounds-02
FORMULA_NAME Szymanski-PT-b10-UpperBounds-03
FORMULA_NAME Szymanski-PT-b10-UpperBounds-04
FORMULA_NAME Szymanski-PT-b10-UpperBounds-05
FORMULA_NAME Szymanski-PT-b10-UpperBounds-06
FORMULA_NAME Szymanski-PT-b10-UpperBounds-07
FORMULA_NAME Szymanski-PT-b10-UpperBounds-08
FORMULA_NAME Szymanski-PT-b10-UpperBounds-09
FORMULA_NAME Szymanski-PT-b10-UpperBounds-10
FORMULA_NAME Szymanski-PT-b10-UpperBounds-11
FORMULA_NAME Szymanski-PT-b10-UpperBounds-12
FORMULA_NAME Szymanski-PT-b10-UpperBounds-13
FORMULA_NAME Szymanski-PT-b10-UpperBounds-14
FORMULA_NAME Szymanski-PT-b10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749185380319

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-06 04:49:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 04:49:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 04:49:42] [INFO ] Load time of PNML (sax parser for PT used): 389 ms
[2025-06-06 04:49:42] [INFO ] Transformed 568 places.
[2025-06-06 04:49:42] [INFO ] Transformed 8320 transitions.
[2025-06-06 04:49:42] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 586 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Deduced a syphon composed of 260 places in 21 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b10-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-06 04:49:42] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2025-06-06 04:49:42] [INFO ] Computed 3 invariants in 58 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 21, 1, 1, 1, 21, 1, 1, 1]
RANDOM walk for 10000 steps (4 resets) in 88 ms. (112 steps per ms)
FORMULA Szymanski-PT-b10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Szymanski-PT-b10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Szymanski-PT-b10-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Szymanski-PT-b10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Szymanski-PT-b10-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Szymanski-PT-b10-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (10 resets) in 95 ms. (416 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9, 0, 6, 0] Max Struct:[21, 1, 21, 1]
[2025-06-06 04:49:42] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2025-06-06 04:49:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:49:42] [INFO ] [Real]Absence check using 2 positive place invariants in 16 ms returned sat
[2025-06-06 04:49:42] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:49:43] [INFO ] [Real]Absence check using state equation in 526 ms returned sat
[2025-06-06 04:49:43] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:49:43] [INFO ] [Real]Added 147 Read/Feed constraints in 175 ms returned sat
[2025-06-06 04:49:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:49:43] [INFO ] [Nat]Absence check using 2 positive place invariants in 9 ms returned sat
[2025-06-06 04:49:43] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 04:49:44] [INFO ] [Nat]Absence check using state equation in 493 ms returned sat
[2025-06-06 04:49:45] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 04:49:45] [INFO ] [Nat]Added 147 Read/Feed constraints in 1059 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:49:45] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-06-06 04:49:45] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:49:46] [INFO ] [Real]Absence check using state equation in 515 ms returned sat
[2025-06-06 04:49:46] [INFO ] [Real]Added 147 Read/Feed constraints in 135 ms returned sat
[2025-06-06 04:49:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:49:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-06-06 04:49:46] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:49:46] [INFO ] [Nat]Absence check using state equation in 460 ms returned sat
[2025-06-06 04:49:47] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 04:49:47] [INFO ] [Nat]Added 147 Read/Feed constraints in 696 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:49:48] [INFO ] Deduced a trap composed of 130 places in 769 ms of which 67 ms to minimize.
[2025-06-06 04:49:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 944 ms
[2025-06-06 04:49:49] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 837 ms.
[2025-06-06 04:49:49] [INFO ] Added : 0 causal constraints over 0 iterations in 1042 ms. Result :sat
Minimization took 588 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:49:50] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2025-06-06 04:49:50] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:49:50] [INFO ] [Real]Absence check using state equation in 463 ms returned sat
[2025-06-06 04:49:51] [INFO ] [Real]Added 147 Read/Feed constraints in 281 ms returned sat
[2025-06-06 04:49:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:49:51] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2025-06-06 04:49:51] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:49:51] [INFO ] [Nat]Absence check using state equation in 507 ms returned sat
[2025-06-06 04:49:52] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 04:49:52] [INFO ] [Nat]Added 147 Read/Feed constraints in 1050 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:49:52] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-06-06 04:49:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:49:53] [INFO ] [Real]Absence check using state equation in 486 ms returned sat
[2025-06-06 04:49:53] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 04:49:53] [INFO ] [Real]Added 147 Read/Feed constraints in 569 ms returned sat
[2025-06-06 04:49:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:49:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-06-06 04:49:54] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:49:54] [INFO ] [Nat]Absence check using state equation in 476 ms returned sat
[2025-06-06 04:49:55] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 04:49:55] [INFO ] [Nat]Added 147 Read/Feed constraints in 978 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:49:56] [INFO ] Deduced a trap composed of 38 places in 698 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:49:57] [INFO ] Deduced a trap composed of 51 places in 786 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:49:57] [INFO ] Deduced a trap composed of 79 places in 673 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:49:58] [INFO ] Deduced a trap composed of 130 places in 776 ms of which 86 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:49:59] [INFO ] Deduced a trap composed of 138 places in 548 ms of which 42 ms to minimize.
[2025-06-06 04:49:59] [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 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[9, 0, 6, 0] Max Struct:[21, 1, 21, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9, 0, 6, 0] Max Struct:[21, 1, 21, 1]
Support contains 4 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.16 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 306 transition count 7936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 305 transition count 7808
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 305 transition count 7808
Applied a total of 131 rules in 417 ms. Remains 305 /308 variables (removed 3) and now considering 7808/8064 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 431 ms. Remains : 305/308 places, 7808/8064 transitions.
[2025-06-06 04:49:59] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2025-06-06 04:49:59] [INFO ] Computed 3 invariants in 28 ms
Current structural bounds on expressions (after invariants) : Max Seen:[9, 0, 6, 0] Max Struct:[11, 1, 11, 1]
RANDOM walk for 1000002 steps (2 resets) in 1288 ms. (775 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 4006 ms. (998 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 0, 10, 0] Max Struct:[11, 1, 11, 1]
[2025-06-06 04:50:05] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:50:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:05] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-06 04:50:05] [INFO ] [Real]Absence check using state equation in 472 ms returned sat
[2025-06-06 04:50:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:50:06] [INFO ] [Real]Added 147 Read/Feed constraints in 929 ms returned sat
[2025-06-06 04:50:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-06 04:50:07] [INFO ] [Nat]Absence check using state equation in 473 ms returned sat
[2025-06-06 04:50:11] [INFO ] [Nat]Added 147 Read/Feed constraints in 3947 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:11] [INFO ] Deduced a trap composed of 36 places in 698 ms of which 50 ms to minimize.
[2025-06-06 04:50:11] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 748 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:11] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:50:12] [INFO ] [Real]Absence check using state equation in 443 ms returned sat
[2025-06-06 04:50:12] [INFO ] [Real]Added 147 Read/Feed constraints in 100 ms returned sat
[2025-06-06 04:50:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:50:13] [INFO ] [Nat]Absence check using state equation in 409 ms returned sat
[2025-06-06 04:50:14] [INFO ] [Nat]Added 147 Read/Feed constraints in 1337 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:15] [INFO ] Deduced a trap composed of 129 places in 685 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:15] [INFO ] Deduced a trap composed of 129 places in 710 ms of which 84 ms to minimize.
[2025-06-06 04:50:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1571 ms
[2025-06-06 04:50:16] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 638 ms.
[2025-06-06 04:50:16] [INFO ] Added : 0 causal constraints over 0 iterations in 808 ms. Result :sat
Minimization took 4897 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:21] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:50:22] [INFO ] [Real]Absence check using state equation in 426 ms returned sat
[2025-06-06 04:50:23] [INFO ] [Real]Added 147 Read/Feed constraints in 1510 ms returned sat
[2025-06-06 04:50:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-06 04:50:24] [INFO ] [Nat]Absence check using state equation in 419 ms returned sat
[2025-06-06 04:50:28] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 04:50:30] [INFO ] [Nat]Added 147 Read/Feed constraints in 5820 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:30] [INFO ] Deduced a trap composed of 31 places in 668 ms of which 46 ms to minimize.
[2025-06-06 04:50:30] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 747 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:30] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:50:31] [INFO ] [Real]Absence check using state equation in 429 ms returned sat
[2025-06-06 04:50:31] [INFO ] [Real]Added 147 Read/Feed constraints in 332 ms returned sat
[2025-06-06 04:50:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:50:32] [INFO ] [Nat]Absence check using state equation in 432 ms returned sat
[2025-06-06 04:50:32] [INFO ] [Nat]Added 147 Read/Feed constraints in 410 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:33] [INFO ] Deduced a trap composed of 129 places in 731 ms of which 86 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:33] [INFO ] Deduced a trap composed of 137 places in 550 ms of which 40 ms to minimize.
[2025-06-06 04:50:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1448 ms
[2025-06-06 04:50:34] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 413 ms.
[2025-06-06 04:50:34] [INFO ] Added : 0 causal constraints over 0 iterations in 583 ms. Result :sat
Minimization took 4891 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 0, 10, 0] Max Struct:[10, 1, 10, 1]
FORMULA Szymanski-PT-b10-UpperBounds-10 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Szymanski-PT-b10-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 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 332 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 332 ms. Remains : 305/305 places, 7808/7808 transitions.
[2025-06-06 04:50:39] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:50:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000009 steps (2 resets) in 1184 ms. (843 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 1737 ms. (1150 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2025-06-06 04:50:42] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:50:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:42] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:50:43] [INFO ] [Real]Absence check using state equation in 463 ms returned sat
[2025-06-06 04:50:43] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:50:43] [INFO ] [Real]Added 147 Read/Feed constraints in 102 ms returned sat
[2025-06-06 04:50:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:50:44] [INFO ] [Nat]Absence check using state equation in 431 ms returned sat
[2025-06-06 04:50:45] [INFO ] [Nat]Added 147 Read/Feed constraints in 1328 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:46] [INFO ] Deduced a trap composed of 129 places in 663 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:46] [INFO ] Deduced a trap composed of 129 places in 750 ms of which 83 ms to minimize.
[2025-06-06 04:50:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1599 ms
[2025-06-06 04:50:47] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 717 ms.
[2025-06-06 04:50:47] [INFO ] Added : 0 causal constraints over 0 iterations in 894 ms. Result :sat
Minimization took 4893 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:52] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:50:53] [INFO ] [Real]Absence check using state equation in 427 ms returned sat
[2025-06-06 04:50:53] [INFO ] [Real]Added 147 Read/Feed constraints in 321 ms returned sat
[2025-06-06 04:50:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:50:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:50:54] [INFO ] [Nat]Absence check using state equation in 415 ms returned sat
[2025-06-06 04:50:54] [INFO ] [Nat]Added 147 Read/Feed constraints in 401 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:55] [INFO ] Deduced a trap composed of 129 places in 743 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:50:55] [INFO ] Deduced a trap composed of 137 places in 527 ms of which 39 ms to minimize.
[2025-06-06 04:50:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1441 ms
[2025-06-06 04:50:56] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 383 ms.
[2025-06-06 04:50:56] [INFO ] Added : 0 causal constraints over 0 iterations in 548 ms. Result :sat
Minimization took 4890 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 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 195 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 196 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 185 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2025-06-06 04:51:01] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:51:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:51:03] [INFO ] Implicit Places using invariants in 2173 ms returned []
[2025-06-06 04:51:03] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:51:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:51:04] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:51:16] [INFO ] Implicit Places using invariants and state equation in 12502 ms returned []
Implicit Place search using SMT with State Equation took 14683 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:51:17] [INFO ] Redundant transitions in 889 ms returned []
Running 7806 sub problems to find dead transitions.
[2025-06-06 04:51:17] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:51:17] [INFO ] Invariant cache hit.
[2025-06-06 04:51:17] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2909 variables, and 3 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30166 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7806/7806 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:18] [INFO ] Deduced a trap composed of 138 places in 563 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:19] [INFO ] Deduced a trap composed of 42 places in 469 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:20] [INFO ] Deduced a trap composed of 47 places in 432 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:20] [INFO ] Deduced a trap composed of 72 places in 437 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:21] [INFO ] Deduced a trap composed of 85 places in 414 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:21] [INFO ] Deduced a trap composed of 101 places in 273 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:22] [INFO ] Deduced a trap composed of 103 places in 496 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:22] [INFO ] Deduced a trap composed of 103 places in 458 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:23] [INFO ] Deduced a trap composed of 108 places in 478 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:23] [INFO ] Deduced a trap composed of 122 places in 465 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:24] [INFO ] Deduced a trap composed of 132 places in 382 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:24] [INFO ] Deduced a trap composed of 195 places in 257 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:29] [INFO ] Deduced a trap composed of 137 places in 217 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2909 variables, and 16 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30100 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7806 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73139ms problems are : Problem set: 0 solved, 7806 unsolved
Search for dead transitions found 0 dead transitions in 73191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89012 ms. Remains : 305/305 places, 7808/7808 transitions.
RANDOM walk for 40016 steps (8 resets) in 547 ms. (73 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 235 ms. (169 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 310 ms. (128 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 244 ms. (163 steps per ms) remains 2/4 properties
[2025-06-06 04:52:31] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:52:31] [INFO ] Invariant cache hit.
[2025-06-06 04:52:31] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 255/256 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/286 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:31] [INFO ] Flatten gal took : 591 ms
[2025-06-06 04:52:31] [INFO ] Deduced a trap composed of 31 places in 505 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:32] [INFO ] Flatten gal took : 295 ms
[2025-06-06 04:52:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality76131709560979700.gal : 79 ms
[2025-06-06 04:52:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12993285366433175140.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality76131709560979700.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12993285366433175140.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
[2025-06-06 04:52:32] [INFO ] Deduced a trap composed of 36 places in 488 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:32] [INFO ] Deduced a trap composed of 44 places in 563 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality12993285366433175140.prop.
[2025-06-06 04:52:33] [INFO ] Deduced a trap composed of 36 places in 583 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:34] [INFO ] Deduced a trap composed of 37 places in 570 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:34] [INFO ] Deduced a trap composed of 37 places in 574 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:35] [INFO ] Deduced a trap composed of 48 places in 562 ms of which 37 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 60
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :60 after 671
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :671 after 81081
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :81081 after 261051
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :261051 after 803946
[2025-06-06 04:52:35] [INFO ] Deduced a trap composed of 75 places in 625 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :803946 after 4.70672e+06
[2025-06-06 04:52:36] [INFO ] Deduced a trap composed of 129 places in 658 ms of which 65 ms to minimize.
SMT process timed out in 5423ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
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 194 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 196 ms. Remains : 305/305 places, 7808/7808 transitions.
RANDOM walk for 40015 steps (8 resets) in 404 ms. (98 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4.70672e+06 after 8.10932e+06
Interrupted probabilistic random walk after 168760 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :0 out of 2
Probabilistic random walk after 168760 steps, saw 132093 distinct states, run finished after 3010 ms. (steps per millisecond=56 ) properties seen :0
[2025-06-06 04:52:39] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:52:39] [INFO ] Invariant cache hit.
[2025-06-06 04:52:39] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 255/256 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/286 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:40] [INFO ] Deduced a trap composed of 31 places in 565 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:41] [INFO ] Deduced a trap composed of 36 places in 555 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:41] [INFO ] Deduced a trap composed of 44 places in 557 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:42] [INFO ] Deduced a trap composed of 36 places in 578 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:42] [INFO ] Deduced a trap composed of 37 places in 587 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:43] [INFO ] Deduced a trap composed of 37 places in 572 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:44] [INFO ] Deduced a trap composed of 48 places in 569 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :8.10932e+06 after 1.67973e+07
[2025-06-06 04:52:44] [INFO ] Deduced a trap composed of 75 places in 570 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:45] [INFO ] Deduced a trap composed of 129 places in 615 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.67973e+07 after 3.57521e+07
[2025-06-06 04:52:45] [INFO ] Deduced a trap composed of 45 places in 570 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:46] [INFO ] Deduced a trap composed of 51 places in 546 ms of which 43 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/286 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 19/305 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/305 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2604/2909 variables, 305/319 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/2909 variables, 147/466 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2909 variables, 0/466 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/2909 variables, 0/466 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2909/2909 variables, and 466 constraints, problems are : Problem set: 0 solved, 2 unsolved in 7605 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 255/256 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/286 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:48] [INFO ] Deduced a trap composed of 78 places in 588 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:52:49] [INFO ] Deduced a trap composed of 129 places in 865 ms of which 35 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/286 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/286 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 19/305 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/305 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2604/2909 variables, 305/321 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.57521e+07 after 1.99733e+08
At refinement iteration 10 (INCLUDED_ONLY) 0/2909 variables, 147/468 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2909 variables, 2/470 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2909 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/2909 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2909/2909 variables, and 470 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4330 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11966ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 197 ms.
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 197 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 199 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 194 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2025-06-06 04:52:52] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:52:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:52:54] [INFO ] Implicit Places using invariants in 2027 ms returned []
[2025-06-06 04:52:54] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:52:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:52:55] [INFO ] State equation strengthened by 147 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.99733e+08 after 3.6595e+08
[2025-06-06 04:53:07] [INFO ] Implicit Places using invariants and state equation in 12543 ms returned []
Implicit Place search using SMT with State Equation took 14577 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:53:07] [INFO ] Redundant transitions in 798 ms returned []
Running 7806 sub problems to find dead transitions.
[2025-06-06 04:53:07] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:53:07] [INFO ] Invariant cache hit.
[2025-06-06 04:53:07] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
[2025-06-06 04:53:22] [INFO ] Flatten gal took : 230 ms
[2025-06-06 04:53:22] [INFO ] Applying decomposition
[2025-06-06 04:53:22] [INFO ] Flatten gal took : 262 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9632715786091982231.txt' '-o' '/tmp/graph9632715786091982231.bin' '-w' '/tmp/graph9632715786091982231.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9632715786091982231.bin' '-l' '-1' '-v' '-w' '/tmp/graph9632715786091982231.weights' '-q' '0' '-e' '0.001'
[2025-06-06 04:53:23] [INFO ] Decomposing Gal with order
[2025-06-06 04:53:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 04:53:25] [INFO ] Removed a total of 17806 redundant transitions.
[2025-06-06 04:53:25] [INFO ] Flatten gal took : 1164 ms
[2025-06-06 04:53:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 942 labels/synchronizations in 483 ms.
[2025-06-06 04:53:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17523816865627999413.gal : 54 ms
[2025-06-06 04:53:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6917418305998457609.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17523816865627999413.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6917418305998457609.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6917418305998457609.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 37
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :37 after 158
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :158 after 6500
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :6500 after 63211
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :63211 after 109226
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :109226 after 298926
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :298926 after 337556
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :337556 after 388828
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :388828 after 395834
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :395834 after 398703
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :398703 after 430330
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :430330 after 526712
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :526712 after 533411
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2909 variables, and 3 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30111 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7806/7806 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :533411 after 533741
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:09] [INFO ] Deduced a trap composed of 138 places in 492 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:11] [INFO ] Deduced a trap composed of 42 places in 402 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:11] [INFO ] Deduced a trap composed of 47 places in 394 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:11] [INFO ] Deduced a trap composed of 72 places in 398 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:12] [INFO ] Deduced a trap composed of 85 places in 379 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:12] [INFO ] Deduced a trap composed of 101 places in 261 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:13] [INFO ] Deduced a trap composed of 103 places in 440 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:13] [INFO ] Deduced a trap composed of 103 places in 428 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:14] [INFO ] Deduced a trap composed of 108 places in 394 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:14] [INFO ] Deduced a trap composed of 122 places in 388 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:14] [INFO ] Deduced a trap composed of 132 places in 272 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:15] [INFO ] Deduced a trap composed of 195 places in 268 ms of which 6 ms to minimize.
Detected timeout of ITS tools.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:20] [INFO ] Deduced a trap composed of 137 places in 237 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:22] [INFO ] Deduced a trap composed of 74 places in 365 ms of which 13 ms to minimize.
SMT process timed out in 74169ms, After SMT, problems are : Problem set: 0 solved, 7806 unsolved
Search for dead transitions found 0 dead transitions in 74196ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89818 ms. Remains : 305/305 places, 7808/7808 transitions.
FORMULA Szymanski-PT-b10-UpperBounds-15 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[0] Max Struct:[1]
Starting property specific reduction for Szymanski-PT-b10-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
[2025-06-06 04:54:22] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:54:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (2 resets) in 21 ms. (454 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2025-06-06 04:54:22] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2025-06-06 04:54:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:54:22] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:54:22] [INFO ] [Real]Absence check using state equation in 444 ms returned sat
[2025-06-06 04:54:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:54:22] [INFO ] [Real]Added 147 Read/Feed constraints in 109 ms returned sat
[2025-06-06 04:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:54:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-06 04:54:23] [INFO ] [Nat]Absence check using state equation in 420 ms returned sat
[2025-06-06 04:54:23] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 04:54:24] [INFO ] [Nat]Added 147 Read/Feed constraints in 1039 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 305 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p236) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7807/7807 transitions.
Applied a total of 0 rules in 179 ms. Remains 305 /305 variables (removed 0) and now considering 7807/7807 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 305/305 places, 7807/7807 transitions.
[2025-06-06 04:54:24] [INFO ] Flow matrix only has 2603 transitions (discarded 5204 similar events)
// Phase 1: matrix 2603 rows 305 cols
[2025-06-06 04:54:24] [INFO ] Computed 3 invariants in 23 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000005 steps (2 resets) in 1004 ms. (995 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 948 ms. (1053 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2025-06-06 04:54:26] [INFO ] Flow matrix only has 2603 transitions (discarded 5204 similar events)
[2025-06-06 04:54:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:54:26] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:54:27] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2025-06-06 04:54:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:54:27] [INFO ] [Real]Added 147 Read/Feed constraints in 93 ms returned sat
[2025-06-06 04:54:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:54:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:54:27] [INFO ] [Nat]Absence check using state equation in 420 ms returned sat
[2025-06-06 04:54:28] [INFO ] [Nat]Added 147 Read/Feed constraints in 707 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:54:29] [INFO ] Deduced a trap composed of 37 places in 650 ms of which 43 ms to minimize.
[2025-06-06 04:54:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 776 ms
[2025-06-06 04:54:29] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2592 transitions) in 418 ms.
[2025-06-06 04:54:29] [INFO ] Added : 0 causal constraints over 0 iterations in 589 ms. Result :sat
Minimization took 4894 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7807/7807 transitions.
Applied a total of 0 rules in 185 ms. Remains 305 /305 variables (removed 0) and now considering 7807/7807 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 305/305 places, 7807/7807 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7807/7807 transitions.
Applied a total of 0 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7807/7807 (removed 0) transitions.
[2025-06-06 04:54:35] [INFO ] Flow matrix only has 2603 transitions (discarded 5204 similar events)
[2025-06-06 04:54:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:54:37] [INFO ] Implicit Places using invariants in 2105 ms returned []
[2025-06-06 04:54:37] [INFO ] Flow matrix only has 2603 transitions (discarded 5204 similar events)
[2025-06-06 04:54:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:54:37] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-06 04:54:55] [INFO ] Implicit Places using invariants and state equation in 18560 ms returned []
Implicit Place search using SMT with State Equation took 20673 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:54:56] [INFO ] Redundant transitions in 610 ms returned []
Running 7805 sub problems to find dead transitions.
[2025-06-06 04:54:56] [INFO ] Flow matrix only has 2603 transitions (discarded 5204 similar events)
[2025-06-06 04:54:56] [INFO ] Invariant cache hit.
[2025-06-06 04:54:56] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/304 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7805 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 304/2908 variables, and 2 constraints, problems are : Problem set: 0 solved, 7805 unsolved in 30109 ms.
Refiners :[Positive P Invariants (semi-flows): 2/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7805/7805 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7805 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/304 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7805 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:47] [INFO ] Deduced a trap composed of 81 places in 449 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:50] [INFO ] Deduced a trap composed of 120 places in 394 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:52] [INFO ] Deduced a trap composed of 87 places in 471 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:55] [INFO ] Deduced a trap composed of 36 places in 361 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:55] [INFO ] Deduced a trap composed of 44 places in 314 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:56] [INFO ] Deduced a trap composed of 57 places in 276 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:56] [INFO ] Deduced a trap composed of 72 places in 244 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:57] [INFO ] Deduced a trap composed of 91 places in 557 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:55:58] [INFO ] Deduced a trap composed of 47 places in 536 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:56:02] [INFO ] Deduced a trap composed of 42 places in 381 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:56:03] [INFO ] Deduced a trap composed of 75 places in 295 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:56:05] [INFO ] Deduced a trap composed of 31 places in 402 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:56:09] [INFO ] Deduced a trap composed of 101 places in 351 ms of which 7 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 0)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 1)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 0)
(s28 0)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 1)
(s37 0)
(s38 0)
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(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 0)
(s55 0)
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(s57 0)
(s58 0)
(s59 0)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 0)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)
(s72 0)
(s73 0)
(s74 0)
(s75 0)
(s76 0)
(s77 0)
(s78 0)
(s79 0)
(s80 0)
(s81 0)
(s82 0)
(s83 0)
(s84 0)
(s85 0)
(s86 0)
(s87 0)
(s88 0)
(s89 0)
(s90 0)
(s91 0)
(s92 0)
(s93 0)
(s94 0)
(s95 0)
(s96 0)
(s97 0)
(s98 0)
(s99 0)
(s100 0)
(s101 0)
(s102 0)
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(s104 0)
(s105 0)
(s106 0)
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(s109 0)
(s110 0)
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(s116 0)
(s117 0)
(s118 0)
(s119 0)
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(s121 0)
(s122 0)
(s123 0)
(s124 0)
(s125 0)
(s126 0)
(s127 0)
(s128 1)
(s129 1)
(s130 1)
(s131 1)
(s132 1)
(s133 1)
(s134 1)
(s135 1)
(s136 1)
(s137 1)
(s138 1)
(s139 1)
(s140 1)
(s141 1)
(s142 1)
(s143 1)
(s144 1)
(s145 1)
(s146 1)
(s147 1)
(s148 1)
(s149 1)
(s150 1)
(s151 1)
(s152 1)
(s153 1)
(s154 1)
(s155 1)
(s156 1)
(s157 1)
(s158 1)
(s159 1)
(s160 1)
(s161 1)
(s162 1)
(s163 1)
(s164 1)
(s165 1)
(s166 1)
(s167 1)
(s168 1)
(s169 1)
(s170 1)
(s171 1)
(s172 1)
(s173 1)
(s174 1)
(s175 1)
(s176 1)
(s177 1)
(s178 1)
(s179 1)
(s180 1)
(s181 1)
(s182 1)
(s183 1)
(s184 1)
(s185 1)
(s186 1)
(s187 1)
(s188 1)
(s189 1)
(s190 1)
(s191 1)
(s192 1)
(s193 1)
(s194 1)
(s195 1)
(s196 1)
(s197 1)
(s198 1)
(s199 1)
(s200 1)
(s201 1)
(s202 1)
(s203 1)
(s204 1)
(s205 1)
(s206 1)
(s207 1)
(s208 1)
(s209 1)
(s210 1)
(s211 1)
(s212 1)
(s213 1)
(s214 1)
(s215 1)
(s216 1)
(s217 1)
(s218 1)
(s219 1)
(s220 1)
(s221 1)
(s222 1)
(s223 1)
(s224 1)
(s225 timeout
1)
(s226 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 304/2908 variables, and 15 constraints, problems are : Problem set: 0 solved, 7805 unsolved in 30093 ms.
Refiners :[Positive P Invariants (semi-flows): 2/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7805 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 72743ms problems are : Problem set: 0 solved, 7805 unsolved
Search for dead transitions found 0 dead transitions in 72755ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94258 ms. Remains : 305/305 places, 7807/7807 transitions.
RANDOM walk for 40026 steps (8 resets) in 158 ms. (251 steps per ms) remains 2/2 properties
BEST_FIRST walk for 30225 steps (6 resets) in 78 ms. (382 steps per ms) remains 0/2 properties
[2025-06-06 04:56:09] [INFO ] Flatten gal took : 190 ms
[2025-06-06 04:56:09] [INFO ] Flatten gal took : 187 ms
[2025-06-06 04:56:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9810571195945919721.gal : 34 ms
[2025-06-06 04:56:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3774336836519158271.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9810571195945919721.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3774336836519158271.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA Szymanski-PT-b10-UpperBounds-06 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Szymanski-PT-b10-UpperBounds-06 in 107484 ms.
[2025-06-06 04:56:09] [INFO ] Flatten gal took : 174 ms
Total runtime 388094 ms.

BK_STOP 1749185769928

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Szymanski-PT-b10"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is Szymanski-PT-b10, 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 r240-tall-174915589300165"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b10.tgz
mv Szymanski-PT-b10 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;