Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007500165.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 FunctionPointer-PT-c128, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007500165
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.2M May 29 14:32 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748891096141

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c128
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-02 19:04:58] [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]
[2025-06-02 19:04:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 19:05:00] [INFO ] Load time of PNML (sax parser for PT used): 1080 ms
[2025-06-02 19:05:00] [INFO ] Transformed 2826 places.
[2025-06-02 19:05:00] [INFO ] Transformed 8960 transitions.
[2025-06-02 19:05:00] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1371 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 13 ms.
Deduced a syphon composed of 1198 places in 64 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c128-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c128-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c128-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c128-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c128-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +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, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 19:05:00] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2025-06-02 19:05:00] [INFO ] Computed 4 invariants in 156 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, 128, +inf, 1, +inf, +inf, 128, +inf, 1, 128]
RANDOM walk for 10000 steps (2 resets) in 406 ms. (24 steps per ms)
BEST_FIRST walk for 110011 steps (35 resets) in 553 ms. (198 steps per ms)
FORMULA FunctionPointer-PT-c128-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 1, 1, 1, 0, 0, 2, 0, 0, 1] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
[2025-06-02 19:05:01] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2025-06-02 19:05:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:02] [INFO ] [Real]Absence check using 3 positive place invariants in 41 ms returned sat
[2025-06-02 19:05:02] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:04] [INFO ] [Real]Absence check using state equation in 1634 ms returned sat
[2025-06-02 19:05:04] [INFO ] State equation strengthened by 479 read => feed constraints.
[2025-06-02 19:05:05] [INFO ] [Real]Added 479 Read/Feed constraints in 397 ms returned sat
[2025-06-02 19:05:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 36 ms returned sat
[2025-06-02 19:05:05] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:07] [INFO ] [Nat]Absence check using state equation in 1998 ms returned sat
[2025-06-02 19:05:08] [INFO ] [Nat]Added 479 Read/Feed constraints in 296 ms returned sat
[2025-06-02 19:05:09] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1499 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:10] [INFO ] [Real]Absence check using 3 positive place invariants in 27 ms returned sat
[2025-06-02 19:05:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:12] [INFO ] [Real]Absence check using state equation in 1510 ms returned sat
[2025-06-02 19:05:12] [INFO ] [Real]Added 479 Read/Feed constraints in 469 ms returned sat
[2025-06-02 19:05:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 35 ms returned sat
[2025-06-02 19:05:13] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 12 ms returned sat
[2025-06-02 19:05:14] [INFO ] [Nat]Absence check using state equation in 1446 ms returned sat
[2025-06-02 19:05:15] [INFO ] [Nat]Added 479 Read/Feed constraints in 175 ms returned sat
[2025-06-02 19:05:16] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1392 ms.
[2025-06-02 19:05:17] [INFO ] Added : 1 causal constraints over 1 iterations in 2199 ms. Result :sat
Minimization took 511 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:18] [INFO ] [Real]Absence check using 3 positive place invariants in 22 ms returned sat
[2025-06-02 19:05:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:19] [INFO ] [Real]Absence check using state equation in 1273 ms returned sat
[2025-06-02 19:05:20] [INFO ] [Real]Added 479 Read/Feed constraints in 305 ms returned sat
[2025-06-02 19:05:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 26 ms returned sat
[2025-06-02 19:05:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:21] [INFO ] [Nat]Absence check using state equation in 1334 ms returned sat
[2025-06-02 19:05:22] [INFO ] [Nat]Added 479 Read/Feed constraints in 286 ms returned sat
[2025-06-02 19:05:22] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 656 ms.
[2025-06-02 19:05:23] [INFO ] Added : 2 causal constraints over 1 iterations in 1114 ms. Result :sat
Minimization took 589 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:24] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-02 19:05:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:25] [INFO ] [Real]Absence check using state equation in 1498 ms returned sat
[2025-06-02 19:05:26] [INFO ] [Real]Added 479 Read/Feed constraints in 302 ms returned sat
[2025-06-02 19:05:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 19:05:26] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:28] [INFO ] [Nat]Absence check using state equation in 1390 ms returned sat
[2025-06-02 19:05:28] [INFO ] [Nat]Added 479 Read/Feed constraints in 595 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:05:32] [INFO ] Deduced a trap composed of 133 places in 3362 ms of which 406 ms to minimize.
[2025-06-02 19:05:32] [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)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:32] [INFO ] [Real]Absence check using 3 positive place invariants in 25 ms returned sat
[2025-06-02 19:05:32] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:33] [INFO ] [Real]Absence check using state equation in 1273 ms returned sat
[2025-06-02 19:05:34] [INFO ] [Real]Added 479 Read/Feed constraints in 178 ms returned sat
[2025-06-02 19:05:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-02 19:05:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:35] [INFO ] [Nat]Absence check using state equation in 1345 ms returned sat
[2025-06-02 19:05:35] [INFO ] [Nat]Added 479 Read/Feed constraints in 206 ms returned sat
[2025-06-02 19:05:37] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1468 ms.
[2025-06-02 19:05:38] [INFO ] Added : 1 causal constraints over 1 iterations in 2044 ms. Result :sat
Minimization took 582 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:39] [INFO ] [Real]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 19:05:39] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:40] [INFO ] [Real]Absence check using state equation in 1216 ms returned sat
[2025-06-02 19:05:40] [INFO ] [Real]Added 479 Read/Feed constraints in 281 ms returned sat
[2025-06-02 19:05:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 19:05:41] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:42] [INFO ] [Nat]Absence check using state equation in 1376 ms returned sat
[2025-06-02 19:05:42] [INFO ] [Nat]Added 479 Read/Feed constraints in 151 ms returned sat
[2025-06-02 19:05:43] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 660 ms.
[2025-06-02 19:05:43] [INFO ] Added : 1 causal constraints over 1 iterations in 1230 ms. Result :sat
Minimization took 607 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:44] [INFO ] [Real]Absence check using 3 positive place invariants in 30 ms returned sat
[2025-06-02 19:05:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 19:05:46] [INFO ] [Real]Absence check using state equation in 1357 ms returned sat
[2025-06-02 19:05:46] [INFO ] [Real]Added 479 Read/Feed constraints in 164 ms returned sat
[2025-06-02 19:05:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 19:05:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:48] [INFO ] [Nat]Absence check using state equation in 1217 ms returned sat
[2025-06-02 19:05:48] [INFO ] [Nat]Added 479 Read/Feed constraints in 170 ms returned sat
[2025-06-02 19:05:49] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 845 ms.
[2025-06-02 19:05:49] [INFO ] Added : 0 causal constraints over 0 iterations in 1223 ms. Result :sat
Minimization took 602 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:50] [INFO ] [Real]Absence check using 3 positive place invariants in 28 ms returned sat
[2025-06-02 19:05:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:52] [INFO ] [Real]Absence check using state equation in 1410 ms returned sat
[2025-06-02 19:05:52] [INFO ] [Real]Added 479 Read/Feed constraints in 256 ms returned sat
[2025-06-02 19:05:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:05:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 27 ms returned sat
[2025-06-02 19:05:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:05:54] [INFO ] [Nat]Absence check using state equation in 1420 ms returned sat
[2025-06-02 19:05:54] [INFO ] [Nat]Added 479 Read/Feed constraints in 349 ms returned sat
[2025-06-02 19:05:55] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1093 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:06:00] [INFO ] Deduced a trap composed of 133 places in 3083 ms of which 308 ms to minimize.
[2025-06-02 19:06:00] [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 7
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.refineWithCausalOrder(DeadlockTester.java:1131)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:06:00] [INFO ] [Real]Absence check using 3 positive place invariants in 30 ms returned sat
[2025-06-02 19:06:00] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:01] [INFO ] [Real]Absence check using state equation in 1395 ms returned sat
[2025-06-02 19:06:02] [INFO ] [Real]Added 479 Read/Feed constraints in 267 ms returned sat
[2025-06-02 19:06:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:06:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-02 19:06:02] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:03] [INFO ] [Nat]Absence check using state equation in 1330 ms returned sat
[2025-06-02 19:06:04] [INFO ] [Nat]Added 479 Read/Feed constraints in 153 ms returned sat
[2025-06-02 19:06:05] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 989 ms.
[2025-06-02 19:06:05] [INFO ] Added : 2 causal constraints over 1 iterations in 1685 ms. Result :sat
Minimization took 606 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:06:06] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-02 19:06:06] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 19:06:08] [INFO ] [Real]Absence check using state equation in 1427 ms returned sat
[2025-06-02 19:06:08] [INFO ] [Real]Added 479 Read/Feed constraints in 438 ms returned sat
[2025-06-02 19:06:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:06:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-02 19:06:09] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:11] [INFO ] [Nat]Absence check using state equation in 1545 ms returned sat
[2025-06-02 19:06:11] [INFO ] [Nat]Added 479 Read/Feed constraints in 411 ms returned sat
[2025-06-02 19:06:12] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 646 ms.
[2025-06-02 19:06:12] [INFO ] Added : 3 causal constraints over 1 iterations in 1195 ms. Result :sat
Minimization took 610 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 1, 1, 1, 0, 0, 2, 0, 0, 1] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 1, 1, 1, 0, 0, 2, 0, 0, 1] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
Support contains 10 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1422 are kept as prefixes of interest. Removing 206 places using SCC suffix rule.30 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 378 transitions
Reduce isomorphic transitions removed 378 transitions.
Iterating post reduction 0 with 378 rules applied. Total rules applied 379 place count 1422 transition count 5584
Discarding 299 places :
Symmetric choice reduction at 1 with 299 rule applications. Total rules 678 place count 1123 transition count 3304
Iterating global reduction 1 with 299 rules applied. Total rules applied 977 place count 1123 transition count 3304
Ensure Unique test removed 358 transitions
Reduce isomorphic transitions removed 358 transitions.
Iterating post reduction 1 with 358 rules applied. Total rules applied 1335 place count 1123 transition count 2946
Discarding 157 places :
Symmetric choice reduction at 2 with 157 rule applications. Total rules 1492 place count 966 transition count 2632
Iterating global reduction 2 with 157 rules applied. Total rules applied 1649 place count 966 transition count 2632
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Iterating post reduction 2 with 68 rules applied. Total rules applied 1717 place count 966 transition count 2564
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1731 place count 952 transition count 2536
Iterating global reduction 3 with 14 rules applied. Total rules applied 1745 place count 952 transition count 2536
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1759 place count 938 transition count 2508
Iterating global reduction 3 with 14 rules applied. Total rules applied 1773 place count 938 transition count 2508
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1787 place count 924 transition count 2480
Iterating global reduction 3 with 14 rules applied. Total rules applied 1801 place count 924 transition count 2480
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1815 place count 910 transition count 2452
Iterating global reduction 3 with 14 rules applied. Total rules applied 1829 place count 910 transition count 2452
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1843 place count 896 transition count 2424
Iterating global reduction 3 with 14 rules applied. Total rules applied 1857 place count 896 transition count 2424
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1871 place count 882 transition count 2396
Iterating global reduction 3 with 14 rules applied. Total rules applied 1885 place count 882 transition count 2396
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1899 place count 868 transition count 2368
Iterating global reduction 3 with 14 rules applied. Total rules applied 1913 place count 868 transition count 2368
Discarding 61 places :
Symmetric choice reduction at 3 with 61 rule applications. Total rules 1974 place count 807 transition count 2138
Iterating global reduction 3 with 61 rules applied. Total rules applied 2035 place count 807 transition count 2138
Discarding 61 places :
Symmetric choice reduction at 3 with 61 rule applications. Total rules 2096 place count 746 transition count 1894
Iterating global reduction 3 with 61 rules applied. Total rules applied 2157 place count 746 transition count 1894
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2217 place count 686 transition count 1760
Iterating global reduction 3 with 60 rules applied. Total rules applied 2277 place count 686 transition count 1760
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2337 place count 626 transition count 1640
Iterating global reduction 3 with 60 rules applied. Total rules applied 2397 place count 626 transition count 1640
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 2456 place count 567 transition count 1522
Iterating global reduction 3 with 59 rules applied. Total rules applied 2515 place count 567 transition count 1522
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 2574 place count 508 transition count 1404
Iterating global reduction 3 with 59 rules applied. Total rules applied 2633 place count 508 transition count 1404
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2690 place count 451 transition count 1290
Iterating global reduction 3 with 57 rules applied. Total rules applied 2747 place count 451 transition count 1290
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 2754 place count 444 transition count 1276
Iterating global reduction 3 with 7 rules applied. Total rules applied 2761 place count 444 transition count 1276
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 2767 place count 444 transition count 1270
Applied a total of 2767 rules in 1681 ms. Remains 444 /1628 variables (removed 1184) and now considering 1270/5962 (removed 4692) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1696 ms. Remains : 444/1628 places, 1270/5962 transitions.
[2025-06-02 19:06:15] [INFO ] Flow matrix only has 732 transitions (discarded 538 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {257=1, 367=1, 697=1, 731=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 2 ms.
This minimized invariant on transitions {253=1, 363=1, 565=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 5 resets, run finished after 401 ms. (steps per millisecond=24 ) properties (out of 10) seen :[3, 1, 2, 2, 2, 3, 1, 1, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 2, 3, 2, 1, 1, 2] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
[2025-06-02 19:06:15] [INFO ] Flow matrix only has 732 transitions (discarded 538 similar events)
// Phase 1: matrix 732 rows 444 cols
[2025-06-02 19:06:15] [INFO ] Computed 2 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 2, 3, 2, 1, 1, 2] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
FORMULA FunctionPointer-PT-c128-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 4471 ms. (223 steps per ms)
BEST_FIRST walk for 9000008 steps (39 resets) in 20044 ms. (448 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[174, 173, 4, 22, 113, 241, 9, 47, 2] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 128]
[2025-06-02 19:06:40] [INFO ] Flow matrix only has 732 transitions (discarded 538 similar events)
[2025-06-02 19:06:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:40] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:06:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:41] [INFO ] [Real]Absence check using state equation in 435 ms returned sat
[2025-06-02 19:06:41] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 19:06:41] [INFO ] [Real]Added 90 Read/Feed constraints in 113 ms returned sat
[2025-06-02 19:06:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:06:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2025-06-02 19:06:41] [INFO ] [Nat]Absence check using state equation in 392 ms returned sat
[2025-06-02 19:06:41] [INFO ] [Nat]Added 90 Read/Feed constraints in 81 ms returned sat
[2025-06-02 19:06:42] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 144 ms.
[2025-06-02 19:06:42] [INFO ] Added : 5 causal constraints over 3 iterations in 458 ms. Result :sat
Minimization took 775 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:43] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:06:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:43] [INFO ] [Real]Absence check using state equation in 262 ms returned sat
[2025-06-02 19:06:43] [INFO ] [Real]Added 90 Read/Feed constraints in 61 ms returned sat
[2025-06-02 19:06:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:06:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:44] [INFO ] [Nat]Absence check using state equation in 392 ms returned sat
[2025-06-02 19:06:44] [INFO ] [Nat]Added 90 Read/Feed constraints in 68 ms returned sat
[2025-06-02 19:06:44] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 161 ms.
[2025-06-02 19:06:44] [INFO ] Added : 1 causal constraints over 1 iterations in 333 ms. Result :sat
Minimization took 763 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:45] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:06:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:46] [INFO ] [Real]Absence check using state equation in 506 ms returned sat
[2025-06-02 19:06:46] [INFO ] [Real]Added 90 Read/Feed constraints in 133 ms returned sat
[2025-06-02 19:06:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:06:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:46] [INFO ] [Nat]Absence check using state equation in 480 ms returned sat
[2025-06-02 19:06:47] [INFO ] [Nat]Added 90 Read/Feed constraints in 126 ms returned sat
[2025-06-02 19:06:47] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 161 ms.
[2025-06-02 19:06:47] [INFO ] Added : 1 causal constraints over 1 iterations in 477 ms. Result :sat
Minimization took 784 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:48] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:06:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:48] [INFO ] [Real]Absence check using state equation in 409 ms returned sat
[2025-06-02 19:06:49] [INFO ] [Real]Added 90 Read/Feed constraints in 112 ms returned sat
[2025-06-02 19:06:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:06:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:49] [INFO ] [Nat]Absence check using state equation in 378 ms returned sat
[2025-06-02 19:06:49] [INFO ] [Nat]Added 90 Read/Feed constraints in 157 ms returned sat
[2025-06-02 19:06:49] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 158 ms.
[2025-06-02 19:06:50] [INFO ] Added : 2 causal constraints over 1 iterations in 337 ms. Result :sat
Minimization took 803 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:51] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:06:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-02 19:06:51] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2025-06-02 19:06:51] [INFO ] [Real]Added 90 Read/Feed constraints in 57 ms returned sat
[2025-06-02 19:06:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:06:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:52] [INFO ] [Nat]Absence check using state equation in 348 ms returned sat
[2025-06-02 19:06:52] [INFO ] [Nat]Added 90 Read/Feed constraints in 56 ms returned sat
[2025-06-02 19:06:52] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 136 ms.
[2025-06-02 19:06:52] [INFO ] Added : 1 causal constraints over 1 iterations in 289 ms. Result :sat
Minimization took 690 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:53] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:06:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:53] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-06-02 19:06:53] [INFO ] [Real]Added 90 Read/Feed constraints in 162 ms returned sat
[2025-06-02 19:06:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 11 ms returned sat
[2025-06-02 19:06:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:54] [INFO ] [Nat]Absence check using state equation in 416 ms returned sat
[2025-06-02 19:06:54] [INFO ] [Nat]Added 90 Read/Feed constraints in 66 ms returned sat
[2025-06-02 19:06:54] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 164 ms.
[2025-06-02 19:06:54] [INFO ] Added : 1 causal constraints over 1 iterations in 328 ms. Result :sat
Minimization took 670 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:55] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:06:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:56] [INFO ] [Real]Absence check using state equation in 396 ms returned sat
[2025-06-02 19:06:56] [INFO ] [Real]Added 90 Read/Feed constraints in 93 ms returned sat
[2025-06-02 19:06:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:06:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:56] [INFO ] [Nat]Absence check using state equation in 241 ms returned sat
[2025-06-02 19:06:56] [INFO ] [Nat]Added 90 Read/Feed constraints in 32 ms returned sat
[2025-06-02 19:06:56] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 93 ms.
[2025-06-02 19:06:56] [INFO ] Added : 0 causal constraints over 0 iterations in 159 ms. Result :sat
Minimization took 513 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:57] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 19:06:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:57] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-02 19:06:57] [INFO ] [Real]Added 90 Read/Feed constraints in 118 ms returned sat
[2025-06-02 19:06:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:06:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:06:58] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-02 19:06:58] [INFO ] [Nat]Added 90 Read/Feed constraints in 64 ms returned sat
[2025-06-02 19:06:58] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 167 ms.
[2025-06-02 19:06:59] [INFO ] Added : 10 causal constraints over 4 iterations in 524 ms. Result :sat
Minimization took 657 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:06:59] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:06:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:00] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2025-06-02 19:07:00] [INFO ] [Real]Added 90 Read/Feed constraints in 85 ms returned sat
[2025-06-02 19:07:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:07:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:00] [INFO ] [Nat]Absence check using state equation in 327 ms returned sat
[2025-06-02 19:07:00] [INFO ] [Nat]Added 90 Read/Feed constraints in 79 ms returned sat
[2025-06-02 19:07:00] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 134 ms.
[2025-06-02 19:07:01] [INFO ] Added : 1 causal constraints over 1 iterations in 284 ms. Result :sat
Minimization took 680 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[174, 173, 4, 22, 113, 241, 9, 47, 2] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 128]
FORMULA FunctionPointer-PT-c128-UpperBounds-12 128 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[174, 173, 127, 127, 113, 241, 47, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 444 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 444/444 places, 1270/1270 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 443 transition count 1268
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 443 transition count 1268
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 442 transition count 1266
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 442 transition count 1266
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 441 transition count 1264
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 441 transition count 1264
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 440 transition count 1262
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 440 transition count 1262
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 439 transition count 1260
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 439 transition count 1260
Applied a total of 10 rules in 114 ms. Remains 439 /444 variables (removed 5) and now considering 1260/1270 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 439/444 places, 1260/1270 transitions.
[2025-06-02 19:07:05] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 8) seen :[2, 2, 4, 0, 2, 3, 1, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[174, 173, 127, 127, 113, 241, 47, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-02 19:07:05] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-02 19:07:05] [INFO ] Computed 2 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[174, 173, 127, 127, 113, 241, 47, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000027 steps (2 resets) in 3125 ms. (319 steps per ms)
BEST_FIRST walk for 8000008 steps (33 resets) in 17024 ms. (469 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[174, 344, 127, 127, 262, 241, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-02 19:07:25] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-02 19:07:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:25] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 19:07:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:26] [INFO ] [Real]Absence check using state equation in 272 ms returned sat
[2025-06-02 19:07:26] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-02 19:07:26] [INFO ] [Real]Added 87 Read/Feed constraints in 55 ms returned sat
[2025-06-02 19:07:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:07:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:26] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2025-06-02 19:07:26] [INFO ] [Nat]Added 87 Read/Feed constraints in 59 ms returned sat
[2025-06-02 19:07:26] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 156 ms.
[2025-06-02 19:07:27] [INFO ] Added : 8 causal constraints over 3 iterations in 477 ms. Result :sat
Minimization took 760 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:28] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:07:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:28] [INFO ] [Real]Absence check using state equation in 295 ms returned sat
[2025-06-02 19:07:28] [INFO ] [Real]Added 87 Read/Feed constraints in 35 ms returned sat
[2025-06-02 19:07:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:07:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:29] [INFO ] [Nat]Absence check using state equation in 333 ms returned sat
[2025-06-02 19:07:29] [INFO ] [Nat]Added 87 Read/Feed constraints in 43 ms returned sat
[2025-06-02 19:07:29] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 143 ms.
[2025-06-02 19:07:29] [INFO ] Added : 5 causal constraints over 3 iterations in 431 ms. Result :sat
Minimization took 707 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:30] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:07:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:30] [INFO ] [Real]Absence check using state equation in 394 ms returned sat
[2025-06-02 19:07:31] [INFO ] [Real]Added 87 Read/Feed constraints in 159 ms returned sat
[2025-06-02 19:07:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:07:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:31] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2025-06-02 19:07:31] [INFO ] [Nat]Added 87 Read/Feed constraints in 89 ms returned sat
[2025-06-02 19:07:31] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 146 ms.
[2025-06-02 19:07:32] [INFO ] Added : 1 causal constraints over 1 iterations in 299 ms. Result :sat
Minimization took 693 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:32] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:07:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:33] [INFO ] [Real]Absence check using state equation in 250 ms returned sat
[2025-06-02 19:07:33] [INFO ] [Real]Added 87 Read/Feed constraints in 125 ms returned sat
[2025-06-02 19:07:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:07:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-02 19:07:33] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
[2025-06-02 19:07:33] [INFO ] [Nat]Added 87 Read/Feed constraints in 108 ms returned sat
[2025-06-02 19:07:33] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 154 ms.
[2025-06-02 19:07:34] [INFO ] Added : 2 causal constraints over 1 iterations in 345 ms. Result :sat
Minimization took 536 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:34] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:07:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:35] [INFO ] [Real]Absence check using state equation in 240 ms returned sat
[2025-06-02 19:07:35] [INFO ] [Real]Added 87 Read/Feed constraints in 37 ms returned sat
[2025-06-02 19:07:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 19:07:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:35] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 19:07:35] [INFO ] [Nat]Added 87 Read/Feed constraints in 63 ms returned sat
[2025-06-02 19:07:35] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 111 ms.
[2025-06-02 19:07:35] [INFO ] Added : 5 causal constraints over 3 iterations in 384 ms. Result :sat
Minimization took 710 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:36] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:07:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:07:37] [INFO ] [Real]Absence check using state equation in 243 ms returned sat
[2025-06-02 19:07:37] [INFO ] [Real]Added 87 Read/Feed constraints in 81 ms returned sat
[2025-06-02 19:07:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:07:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:37] [INFO ] [Nat]Absence check using state equation in 345 ms returned sat
[2025-06-02 19:07:37] [INFO ] [Nat]Added 87 Read/Feed constraints in 53 ms returned sat
[2025-06-02 19:07:37] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 115 ms.
[2025-06-02 19:07:38] [INFO ] Added : 4 causal constraints over 2 iterations in 657 ms. Result :sat
Minimization took 723 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:39] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:07:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:39] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2025-06-02 19:07:39] [INFO ] [Real]Added 87 Read/Feed constraints in 33 ms returned sat
[2025-06-02 19:07:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:07:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:39] [INFO ] [Nat]Absence check using state equation in 286 ms returned sat
[2025-06-02 19:07:40] [INFO ] [Nat]Added 87 Read/Feed constraints in 41 ms returned sat
[2025-06-02 19:07:40] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 147 ms.
[2025-06-02 19:07:40] [INFO ] Added : 19 causal constraints over 5 iterations in 599 ms. Result :sat
Minimization took 630 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:41] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 19:07:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:41] [INFO ] [Real]Absence check using state equation in 321 ms returned sat
[2025-06-02 19:07:41] [INFO ] [Real]Added 87 Read/Feed constraints in 107 ms returned sat
[2025-06-02 19:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:07:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:07:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:07:42] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-02 19:07:42] [INFO ] [Nat]Added 87 Read/Feed constraints in 105 ms returned sat
[2025-06-02 19:07:42] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 156 ms.
[2025-06-02 19:07:42] [INFO ] Added : 1 causal constraints over 1 iterations in 328 ms. Result :sat
Minimization took 728 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[174, 344, 127, 127, 262, 241, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[174, 344, 127, 127, 262, 241, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 67 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 439/439 places, 1260/1260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 69 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
[2025-06-02 19:07:50] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-02 19:07:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:07:51] [INFO ] Implicit Places using invariants in 817 ms returned []
[2025-06-02 19:07:51] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-02 19:07:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:07:51] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-02 19:07:55] [INFO ] Implicit Places using invariants and state equation in 4181 ms returned []
Implicit Place search using SMT with State Equation took 5000 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:07:55] [INFO ] Redundant transitions in 114 ms returned []
Running 1258 sub problems to find dead transitions.
[2025-06-02 19:07:55] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-02 19:07:55] [INFO ] Invariant cache hit.
[2025-06-02 19:07:55] [INFO ] State equation strengthened by 87 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30082 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1258 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 0/1258 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63056ms problems are : Problem set: 0 solved, 1258 unsolved
Search for dead transitions found 0 dead transitions in 63089ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68299 ms. Remains : 439/439 places, 1260/1260 transitions.
[2025-06-02 19:08:58] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 4 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 283 ms. (steps per millisecond=35 ) properties (out of 8) seen :[3, 2, 2, 3, 2, 2147483647, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[174, 344, 127, 127, 262, +inf, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-02 19:08:59] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-02 19:08:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[174, 344, 127, 127, 262, +inf, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000001 steps (2 resets) in 4280 ms. (233 steps per ms)
FORMULA FunctionPointer-PT-c128-UpperBounds-10 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 7000007 steps (37 resets) in 16022 ms. (436 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[185, 344, 127, 127, 262, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128]
[2025-06-02 19:09:19] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-02 19:09:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:19] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:09:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:20] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-02 19:09:20] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-02 19:09:20] [INFO ] [Real]Added 87 Read/Feed constraints in 49 ms returned sat
[2025-06-02 19:09:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 19:09:20] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:20] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2025-06-02 19:09:20] [INFO ] [Nat]Added 87 Read/Feed constraints in 39 ms returned sat
[2025-06-02 19:09:20] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 100 ms.
[2025-06-02 19:09:21] [INFO ] Added : 8 causal constraints over 3 iterations in 301 ms. Result :sat
Minimization took 569 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:21] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:09:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:21] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-02 19:09:22] [INFO ] [Real]Added 87 Read/Feed constraints in 38 ms returned sat
[2025-06-02 19:09:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:09:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:09:22] [INFO ] [Nat]Absence check using state equation in 276 ms returned sat
[2025-06-02 19:09:22] [INFO ] [Nat]Added 87 Read/Feed constraints in 32 ms returned sat
[2025-06-02 19:09:22] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 98 ms.
[2025-06-02 19:09:22] [INFO ] Added : 5 causal constraints over 3 iterations in 374 ms. Result :sat
Minimization took 605 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:23] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:09:23] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:23] [INFO ] [Real]Absence check using state equation in 292 ms returned sat
[2025-06-02 19:09:24] [INFO ] [Real]Added 87 Read/Feed constraints in 119 ms returned sat
[2025-06-02 19:09:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:09:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:24] [INFO ] [Nat]Absence check using state equation in 288 ms returned sat
[2025-06-02 19:09:24] [INFO ] [Nat]Added 87 Read/Feed constraints in 68 ms returned sat
[2025-06-02 19:09:24] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 119 ms.
[2025-06-02 19:09:24] [INFO ] Added : 1 causal constraints over 1 iterations in 238 ms. Result :sat
Minimization took 663 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:25] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:09:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:26] [INFO ] [Real]Absence check using state equation in 380 ms returned sat
[2025-06-02 19:09:26] [INFO ] [Real]Added 87 Read/Feed constraints in 183 ms returned sat
[2025-06-02 19:09:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 19:09:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:26] [INFO ] [Nat]Absence check using state equation in 367 ms returned sat
[2025-06-02 19:09:26] [INFO ] [Nat]Added 87 Read/Feed constraints in 95 ms returned sat
[2025-06-02 19:09:27] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 155 ms.
[2025-06-02 19:09:27] [INFO ] Added : 2 causal constraints over 1 iterations in 356 ms. Result :sat
Minimization took 802 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:28] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:09:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:09:28] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2025-06-02 19:09:28] [INFO ] [Real]Added 87 Read/Feed constraints in 37 ms returned sat
[2025-06-02 19:09:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:09:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:29] [INFO ] [Nat]Absence check using state equation in 402 ms returned sat
[2025-06-02 19:09:29] [INFO ] [Nat]Added 87 Read/Feed constraints in 64 ms returned sat
[2025-06-02 19:09:29] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 145 ms.
[2025-06-02 19:09:29] [INFO ] Added : 5 causal constraints over 3 iterations in 496 ms. Result :sat
Minimization took 771 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:30] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:09:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:30] [INFO ] [Real]Absence check using state equation in 401 ms returned sat
[2025-06-02 19:09:31] [INFO ] [Real]Added 87 Read/Feed constraints in 58 ms returned sat
[2025-06-02 19:09:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:09:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:31] [INFO ] [Nat]Absence check using state equation in 367 ms returned sat
[2025-06-02 19:09:31] [INFO ] [Nat]Added 87 Read/Feed constraints in 51 ms returned sat
[2025-06-02 19:09:31] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 137 ms.
[2025-06-02 19:09:32] [INFO ] Added : 19 causal constraints over 5 iterations in 619 ms. Result :sat
Minimization took 767 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:33] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:09:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:33] [INFO ] [Real]Absence check using state equation in 265 ms returned sat
[2025-06-02 19:09:33] [INFO ] [Real]Added 87 Read/Feed constraints in 129 ms returned sat
[2025-06-02 19:09:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:09:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 12 ms returned sat
[2025-06-02 19:09:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:09:34] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-02 19:09:34] [INFO ] [Nat]Added 87 Read/Feed constraints in 99 ms returned sat
[2025-06-02 19:09:34] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 158 ms.
[2025-06-02 19:09:34] [INFO ] Added : 1 causal constraints over 1 iterations in 322 ms. Result :sat
Minimization took 759 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[185, 344, 127, 127, 262, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[185, 344, 127, 127, 262, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128]
Support contains 7 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 438 transition count 1258
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 438 transition count 1258
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 437 transition count 1256
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 437 transition count 1256
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 436 transition count 1254
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 436 transition count 1254
Applied a total of 6 rules in 115 ms. Remains 436 /439 variables (removed 3) and now considering 1254/1260 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116 ms. Remains : 436/439 places, 1254/1260 transitions.
[2025-06-02 19:09:41] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {239=1, 343=1, 543=1, 704=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 357=1, 685=1, 713=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 187 ms. (steps per millisecond=53 ) properties (out of 7) seen :[4, 2, 3, 0, 2, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[185, 344, 127, 127, 262, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128]
[2025-06-02 19:09:41] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
// Phase 1: matrix 717 rows 436 cols
[2025-06-02 19:09:41] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[185, 344, 127, 127, 262, 83, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128]
RANDOM walk for 1000000 steps (2 resets) in 4422 ms. (226 steps per ms)
BEST_FIRST walk for 7000007 steps (24 resets) in 15744 ms. (444 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[185, 344, 127, 127, 262, 121, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128]
[2025-06-02 19:10:01] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:10:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:02] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:10:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:10:02] [INFO ] [Real]Absence check using state equation in 252 ms returned sat
[2025-06-02 19:10:02] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:10:02] [INFO ] [Real]Added 85 Read/Feed constraints in 37 ms returned sat
[2025-06-02 19:10:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:10:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:02] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2025-06-02 19:10:02] [INFO ] [Nat]Added 85 Read/Feed constraints in 65 ms returned sat
[2025-06-02 19:10:02] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 115 ms.
[2025-06-02 19:10:03] [INFO ] Added : 9 causal constraints over 3 iterations in 478 ms. Result :sat
Minimization took 734 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:04] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:10:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:04] [INFO ] [Real]Absence check using state equation in 409 ms returned sat
[2025-06-02 19:10:04] [INFO ] [Real]Added 85 Read/Feed constraints in 58 ms returned sat
[2025-06-02 19:10:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:10:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 19:10:05] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-02 19:10:05] [INFO ] [Nat]Added 85 Read/Feed constraints in 66 ms returned sat
[2025-06-02 19:10:05] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 154 ms.
[2025-06-02 19:10:06] [INFO ] Added : 8 causal constraints over 4 iterations in 600 ms. Result :sat
Minimization took 652 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:06] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:10:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:07] [INFO ] [Real]Absence check using state equation in 262 ms returned sat
[2025-06-02 19:10:07] [INFO ] [Real]Added 85 Read/Feed constraints in 88 ms returned sat
[2025-06-02 19:10:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:10:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:07] [INFO ] [Nat]Absence check using state equation in 396 ms returned sat
[2025-06-02 19:10:07] [INFO ] [Nat]Added 85 Read/Feed constraints in 80 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:10:08] [INFO ] Deduced a trap composed of 131 places in 571 ms of which 15 ms to minimize.
[2025-06-02 19:10:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 645 ms
[2025-06-02 19:10:08] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 152 ms.
[2025-06-02 19:10:08] [INFO ] Added : 2 causal constraints over 1 iterations in 318 ms. Result :sat
Minimization took 752 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:09] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 19:10:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:09] [INFO ] [Real]Absence check using state equation in 242 ms returned sat
[2025-06-02 19:10:10] [INFO ] [Real]Added 85 Read/Feed constraints in 101 ms returned sat
[2025-06-02 19:10:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:10:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:10] [INFO ] [Nat]Absence check using state equation in 240 ms returned sat
[2025-06-02 19:10:10] [INFO ] [Nat]Added 85 Read/Feed constraints in 74 ms returned sat
[2025-06-02 19:10:10] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 104 ms.
[2025-06-02 19:10:10] [INFO ] Added : 3 causal constraints over 1 iterations in 202 ms. Result :sat
Minimization took 521 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:11] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:10:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 19:10:11] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-02 19:10:11] [INFO ] [Real]Added 85 Read/Feed constraints in 58 ms returned sat
[2025-06-02 19:10:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:10:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:12] [INFO ] [Nat]Absence check using state equation in 262 ms returned sat
[2025-06-02 19:10:12] [INFO ] [Nat]Added 85 Read/Feed constraints in 43 ms returned sat
[2025-06-02 19:10:12] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 103 ms.
[2025-06-02 19:10:12] [INFO ] Added : 6 causal constraints over 3 iterations in 345 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:13] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:10:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:13] [INFO ] [Real]Absence check using state equation in 293 ms returned sat
[2025-06-02 19:10:13] [INFO ] [Real]Added 85 Read/Feed constraints in 44 ms returned sat
[2025-06-02 19:10:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:10:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:14] [INFO ] [Nat]Absence check using state equation in 323 ms returned sat
[2025-06-02 19:10:14] [INFO ] [Nat]Added 85 Read/Feed constraints in 58 ms returned sat
[2025-06-02 19:10:14] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 166 ms.
[2025-06-02 19:10:14] [INFO ] Added : 14 causal constraints over 3 iterations in 602 ms. Result :sat
Minimization took 723 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:15] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:10:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:15] [INFO ] [Real]Absence check using state equation in 243 ms returned sat
[2025-06-02 19:10:16] [INFO ] [Real]Added 85 Read/Feed constraints in 60 ms returned sat
[2025-06-02 19:10:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:10:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:16] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2025-06-02 19:10:16] [INFO ] [Nat]Added 85 Read/Feed constraints in 56 ms returned sat
[2025-06-02 19:10:16] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 105 ms.
[2025-06-02 19:10:16] [INFO ] Added : 2 causal constraints over 1 iterations in 203 ms. Result :sat
Minimization took 521 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[185, 344, 127, 127, 262, 121, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128]
FORMULA FunctionPointer-PT-c128-UpperBounds-15 128 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FunctionPointer-PT-c128-UpperBounds-06 128 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[185, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Applied a total of 0 rules in 70 ms. Remains 436 /436 variables (removed 0) and now considering 1254/1254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 436/436 places, 1254/1254 transitions.
[2025-06-02 19:10:22] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {239=1, 343=1, 543=1, 704=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {253=1, 357=1, 685=1, 713=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 237 ms. (steps per millisecond=42 ) properties (out of 5) seen :[2, 1, 2, 3, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[185, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-02 19:10:23] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:10:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[185, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 4307 ms. (232 steps per ms)
BEST_FIRST walk for 5000004 steps (22 resets) in 10800 ms. (462 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-02 19:10:38] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:10:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:38] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:10:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:10:38] [INFO ] [Real]Absence check using state equation in 328 ms returned sat
[2025-06-02 19:10:38] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:10:38] [INFO ] [Real]Added 85 Read/Feed constraints in 65 ms returned sat
[2025-06-02 19:10:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:10:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 19:10:39] [INFO ] [Nat]Absence check using state equation in 398 ms returned sat
[2025-06-02 19:10:39] [INFO ] [Nat]Added 85 Read/Feed constraints in 76 ms returned sat
[2025-06-02 19:10:39] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 144 ms.
[2025-06-02 19:10:40] [INFO ] Added : 9 causal constraints over 3 iterations in 572 ms. Result :sat
Minimization took 766 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:41] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:10:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:41] [INFO ] [Real]Absence check using state equation in 361 ms returned sat
[2025-06-02 19:10:41] [INFO ] [Real]Added 85 Read/Feed constraints in 48 ms returned sat
[2025-06-02 19:10:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:10:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:42] [INFO ] [Nat]Absence check using state equation in 360 ms returned sat
[2025-06-02 19:10:42] [INFO ] [Nat]Added 85 Read/Feed constraints in 52 ms returned sat
[2025-06-02 19:10:42] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 132 ms.
[2025-06-02 19:10:42] [INFO ] Added : 8 causal constraints over 4 iterations in 526 ms. Result :sat
Minimization took 748 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:43] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:10:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:43] [INFO ] [Real]Absence check using state equation in 389 ms returned sat
[2025-06-02 19:10:44] [INFO ] [Real]Added 85 Read/Feed constraints in 171 ms returned sat
[2025-06-02 19:10:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:10:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:44] [INFO ] [Nat]Absence check using state equation in 395 ms returned sat
[2025-06-02 19:10:44] [INFO ] [Nat]Added 85 Read/Feed constraints in 130 ms returned sat
[2025-06-02 19:10:45] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 157 ms.
[2025-06-02 19:10:45] [INFO ] Added : 3 causal constraints over 1 iterations in 318 ms. Result :sat
Minimization took 739 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:46] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:10:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 19:10:46] [INFO ] [Real]Absence check using state equation in 376 ms returned sat
[2025-06-02 19:10:46] [INFO ] [Real]Added 85 Read/Feed constraints in 77 ms returned sat
[2025-06-02 19:10:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:10:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:47] [INFO ] [Nat]Absence check using state equation in 370 ms returned sat
[2025-06-02 19:10:47] [INFO ] [Nat]Added 85 Read/Feed constraints in 63 ms returned sat
[2025-06-02 19:10:47] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 151 ms.
[2025-06-02 19:10:47] [INFO ] Added : 6 causal constraints over 3 iterations in 542 ms. Result :sat
Minimization took 734 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:48] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:10:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:48] [INFO ] [Real]Absence check using state equation in 245 ms returned sat
[2025-06-02 19:10:49] [INFO ] [Real]Added 85 Read/Feed constraints in 31 ms returned sat
[2025-06-02 19:10:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:10:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:10:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:10:49] [INFO ] [Nat]Absence check using state equation in 257 ms returned sat
[2025-06-02 19:10:49] [INFO ] [Nat]Added 85 Read/Feed constraints in 33 ms returned sat
[2025-06-02 19:10:49] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 93 ms.
[2025-06-02 19:10:49] [INFO ] Added : 14 causal constraints over 3 iterations in 399 ms. Result :sat
Minimization took 593 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Applied a total of 0 rules in 72 ms. Remains 436 /436 variables (removed 0) and now considering 1254/1254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 436/436 places, 1254/1254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Applied a total of 0 rules in 70 ms. Remains 436 /436 variables (removed 0) and now considering 1254/1254 (removed 0) transitions.
[2025-06-02 19:10:53] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:10:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:10:54] [INFO ] Implicit Places using invariants in 791 ms returned []
[2025-06-02 19:10:54] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:10:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:10:55] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:11:11] [INFO ] Implicit Places using invariants and state equation in 16622 ms returned []
Implicit Place search using SMT with State Equation took 17419 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:11:11] [INFO ] Redundant transitions in 39 ms returned []
Running 1252 sub problems to find dead transitions.
[2025-06-02 19:11:11] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:11:11] [INFO ] Invariant cache hit.
[2025-06-02 19:11:11] [INFO ] State equation strengthened by 85 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/436 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/436 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 436/1153 variables, and 2 constraints, problems are : Problem set: 0 solved, 1252 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/436 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 1252/1252 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1252 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/436 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/436 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/436 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
At refinement iteration 3 (OVERLAPS) 717/1153 variables, 436/438 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1153 variables, 85/523 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1153/1153 variables, and 1775 constraints, problems are : Problem set: 0 solved, 1252 unsolved in 31034 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 436/436 constraints, ReadFeed: 85/85 constraints, PredecessorRefiner: 1252/1252 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63397ms problems are : Problem set: 0 solved, 1252 unsolved
Search for dead transitions found 0 dead transitions in 63403ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80947 ms. Remains : 436/436 places, 1254/1254 transitions.
[2025-06-02 19:12:14] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {239=1, 343=1, 543=1, 704=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 357=1, 685=1, 713=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 224 ms. (steps per millisecond=44 ) properties (out of 5) seen :[1, 1, 1, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-02 19:12:15] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:12:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 5021 ms. (199 steps per ms)
BEST_FIRST walk for 5000005 steps (24 resets) in 13154 ms. (380 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-06-02 19:12:33] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:12:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:33] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:12:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:12:33] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-02 19:12:33] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:12:33] [INFO ] [Real]Added 85 Read/Feed constraints in 42 ms returned sat
[2025-06-02 19:12:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:12:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:12:34] [INFO ] [Nat]Absence check using state equation in 376 ms returned sat
[2025-06-02 19:12:34] [INFO ] [Nat]Added 85 Read/Feed constraints in 70 ms returned sat
[2025-06-02 19:12:34] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 106 ms.
[2025-06-02 19:12:34] [INFO ] Added : 9 causal constraints over 3 iterations in 393 ms. Result :sat
Minimization took 539 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:35] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 19:12:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:12:35] [INFO ] [Real]Absence check using state equation in 363 ms returned sat
[2025-06-02 19:12:36] [INFO ] [Real]Added 85 Read/Feed constraints in 49 ms returned sat
[2025-06-02 19:12:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:12:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:12:36] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-02 19:12:36] [INFO ] [Nat]Added 85 Read/Feed constraints in 64 ms returned sat
[2025-06-02 19:12:36] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 166 ms.
[2025-06-02 19:12:37] [INFO ] Added : 8 causal constraints over 4 iterations in 616 ms. Result :sat
Minimization took 725 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:38] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:12:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:12:38] [INFO ] [Real]Absence check using state equation in 241 ms returned sat
[2025-06-02 19:12:38] [INFO ] [Real]Added 85 Read/Feed constraints in 103 ms returned sat
[2025-06-02 19:12:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:12:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:12:38] [INFO ] [Nat]Absence check using state equation in 247 ms returned sat
[2025-06-02 19:12:39] [INFO ] [Nat]Added 85 Read/Feed constraints in 74 ms returned sat
[2025-06-02 19:12:39] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 154 ms.
[2025-06-02 19:12:39] [INFO ] Added : 3 causal constraints over 1 iterations in 320 ms. Result :sat
Minimization took 724 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:40] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 19:12:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:12:40] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2025-06-02 19:12:40] [INFO ] [Real]Added 85 Read/Feed constraints in 47 ms returned sat
[2025-06-02 19:12:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 19:12:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:12:40] [INFO ] [Nat]Absence check using state equation in 249 ms returned sat
[2025-06-02 19:12:40] [INFO ] [Nat]Added 85 Read/Feed constraints in 38 ms returned sat
[2025-06-02 19:12:41] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 97 ms.
[2025-06-02 19:12:41] [INFO ] Added : 6 causal constraints over 3 iterations in 334 ms. Result :sat
Minimization took 510 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:41] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:12:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:12:42] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-02 19:12:42] [INFO ] [Real]Added 85 Read/Feed constraints in 57 ms returned sat
[2025-06-02 19:12:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:12:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:12:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:12:42] [INFO ] [Nat]Absence check using state equation in 395 ms returned sat
[2025-06-02 19:12:42] [INFO ] [Nat]Added 85 Read/Feed constraints in 58 ms returned sat
[2025-06-02 19:12:43] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 160 ms.
[2025-06-02 19:12:43] [INFO ] Added : 14 causal constraints over 3 iterations in 597 ms. Result :sat
Minimization took 662 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Applied a total of 0 rules in 70 ms. Remains 436 /436 variables (removed 0) and now considering 1254/1254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 436/436 places, 1254/1254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Applied a total of 0 rules in 81 ms. Remains 436 /436 variables (removed 0) and now considering 1254/1254 (removed 0) transitions.
[2025-06-02 19:12:49] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:12:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:12:50] [INFO ] Implicit Places using invariants in 908 ms returned []
[2025-06-02 19:12:50] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:12:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:12:50] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:13:06] [INFO ] Implicit Places using invariants and state equation in 16423 ms returned []
Implicit Place search using SMT with State Equation took 17339 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:13:06] [INFO ] Redundant transitions in 31 ms returned []
Running 1252 sub problems to find dead transitions.
[2025-06-02 19:13:06] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:13:06] [INFO ] Invariant cache hit.
[2025-06-02 19:13:06] [INFO ] State equation strengthened by 85 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/436 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/436 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 436/1153 variables, and 2 constraints, problems are : Problem set: 0 solved, 1252 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/436 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 1252/1252 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1252 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/436 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/436 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1252 unsolved
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(s334 1)
(s335 1)
(s336 1)
(s337 1)
(s338 1)
(s339 1)
(s340 1)
(s341 1)
(s342 1)
(s343 1)
(s344 1)
(s345 1)
(s346 1)
(s347 1)
(s348 1)
(s349 1)
(s350 1)
(s351 1)
(s352 1)
(s353 1)
(s354 1)
(s355 1)
(s356 1)
(s357 1)
(s358 1)
(s359 1)
(s360 1)
(s361 1)
(s362 1)
(s363 1)
(s364 1)
(s365 1)
(s366 1)
(s367 1)
(s368 1)
(s369 1)
(s370 1)
(s371 1)
(s372 0)
(s373 1)
(s374 0)
(s375 0)
(s376 0)
(s377 0)
(s378 0)
(s379 0)
(s380 0)
(s381 1)
(s382 0)
(s383 0)
(s384 0)
(s385 0)
(s386 1)
(s387 0)
(s388 1)
(s389 0)
(s390 0)
(s391 1)
(s392 0)
(s393 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 436/1153 variables, and 2 constraints, problems are : Problem set: 0 solved, 1252 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/436 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 0/1252 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63019ms problems are : Problem set: 0 solved, 1252 unsolved
Search for dead transitions found 0 dead transitions in 63023ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80488 ms. Remains : 436/436 places, 1254/1254 transitions.
[2025-06-02 19:14:09] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {239=1, 343=1, 543=1, 704=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 357=1, 685=1, 713=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 231 ms. (steps per millisecond=43 ) properties (out of 5) seen :[2, 2, 2, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40006 steps (8 resets) in 1127 ms. (35 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 347 ms. (114 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 359 ms. (111 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 283 ms. (140 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 254 ms. (156 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 5/5 properties
[2025-06-02 19:14:11] [INFO ] Flatten gal took : 471 ms
[2025-06-02 19:14:11] [INFO ] Flatten gal took : 122 ms
[2025-06-02 19:14:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6926296347312726628.gal : 103 ms
[2025-06-02 19:14:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3981583079375287821.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/ReachabilityCardinality6926296347312726628.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3981583079375287821.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 ...328
Loading property file /tmp/ReachabilityCardinality3981583079375287821.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :31 after 1981
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :1981 after 1.21487e+06
Interrupted probabilistic random walk after 188889 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :0 out of 5
Probabilistic random walk after 188889 steps, saw 115841 distinct states, run finished after 3007 ms. (steps per millisecond=62 ) properties seen :0
[2025-06-02 19:14:14] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:14:14] [INFO ] Invariant cache hit.
[2025-06-02 19:14:14] [INFO ] State equation strengthened by 85 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 12/17 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 239/256 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 767/1023 variables, 352/368 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1023 variables, 1/369 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1023 variables, 85/454 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1023 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 62/1085 variables, 1/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1085 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 67/1152 variables, 67/522 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1152 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 1/1153 variables, 1/523 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1153 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 0/1153 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1153/1153 variables, and 523 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1244 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 436/436 constraints, ReadFeed: 85/85 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 12/17 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 239/256 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 767/1023 variables, 352/368 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1023 variables, 1/369 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1023 variables, 85/454 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1023 variables, 5/459 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:14:16] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:14:16] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1023 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1023 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 62/1085 variables, 1/462 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1085 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 67/1152 variables, 67/529 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:14:17] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:14:17] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/1152 variables, 2/531 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1152 variables, 0/531 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 1/1153 variables, 1/532 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1153 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/1153 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1153/1153 variables, and 532 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3428 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 436/436 constraints, ReadFeed: 85/85 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 4693ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :1.21487e+06 after 3.49668e+10
Parikh walk visited 1 properties in 27950 ms.
Support contains 4 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 435 transition count 1252
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 435 transition count 1252
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 435 transition count 1250
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 434 transition count 1248
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 434 transition count 1248
Applied a total of 6 rules in 125 ms. Remains 434 /436 variables (removed 2) and now considering 1248/1254 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 126 ms. Remains : 434/436 places, 1248/1254 transitions.
RANDOM walk for 40003 steps (8 resets) in 332 ms. (120 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 143 ms. (277 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 204968 steps, run timeout after 3001 ms. (steps per millisecond=68 ) properties seen :0 out of 4
Probabilistic random walk after 204968 steps, saw 125701 distinct states, run finished after 3005 ms. (steps per millisecond=68 ) properties seen :0
[2025-06-02 19:14:50] [INFO ] Flow matrix only has 712 transitions (discarded 536 similar events)
// Phase 1: matrix 712 rows 434 cols
[2025-06-02 19:14:50] [INFO ] Computed 2 invariants in 4 ms
[2025-06-02 19:14:50] [INFO ] State equation strengthened by 83 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 235/249 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 767/1016 variables, 352/366 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1016 variables, 1/367 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1016 variables, 83/450 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1016 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 62/1078 variables, 1/451 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1078 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 67/1145 variables, 67/518 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1145 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 1/1146 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1146 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 0/1146 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 519 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1409 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 83/83 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 235/249 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 767/1016 variables, 352/366 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1016 variables, 1/367 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1016 variables, 83/450 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1016 variables, 4/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:14:52] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1016 variables, 1/455 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1016 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 62/1078 variables, 1/456 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:14:53] [INFO ] Deduced a trap composed of 131 places in 339 ms of which 9 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1078 variables, 1/457 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1078 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 67/1145 variables, 67/524 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:14:53] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:14:53] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1145 variables, 2/526 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1145 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 1/1146 variables, 1/527 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1146 variables, 0/527 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :3.49668e+10 after 4.88449e+17
At refinement iteration 19 (OVERLAPS) 0/1146 variables, 0/527 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 527 constraints, problems are : Problem set: 0 solved, 4 unsolved in 3208 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 83/83 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 4642ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Detected timeout of ITS tools.
[2025-06-02 19:15:01] [INFO ] Flatten gal took : 107 ms
[2025-06-02 19:15:01] [INFO ] Applying decomposition
[2025-06-02 19:15:01] [INFO ] Flatten gal took : 70 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/graph13248704167622988594.txt' '-o' '/tmp/graph13248704167622988594.bin' '-w' '/tmp/graph13248704167622988594.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13248704167622988594.bin' '-l' '-1' '-v' '-w' '/tmp/graph13248704167622988594.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:15:02] [INFO ] Decomposing Gal with order
[2025-06-02 19:15:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:15:02] [INFO ] Removed a total of 2141 redundant transitions.
[2025-06-02 19:15:03] [INFO ] Flatten gal took : 322 ms
[2025-06-02 19:15:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 861 labels/synchronizations in 163 ms.
[2025-06-02 19:15:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6304927775157592268.gal : 31 ms
[2025-06-02 19:15:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6624645633785090845.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/ReachabilityCardinality6304927775157592268.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6624645633785090845.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 ...307
Loading property file /tmp/ReachabilityCardinality6624645633785090845.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 4
Parikh walk visited 0 properties in 20842 ms.
Support contains 4 out of 434 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 434/434 places, 1248/1248 transitions.
Applied a total of 0 rules in 68 ms. Remains 434 /434 variables (removed 0) and now considering 1248/1248 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 434/434 places, 1248/1248 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 434/434 places, 1248/1248 transitions.
Applied a total of 0 rules in 70 ms. Remains 434 /434 variables (removed 0) and now considering 1248/1248 (removed 0) transitions.
[2025-06-02 19:15:15] [INFO ] Flow matrix only has 712 transitions (discarded 536 similar events)
[2025-06-02 19:15:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:15:16] [INFO ] Implicit Places using invariants in 569 ms returned []
[2025-06-02 19:15:16] [INFO ] Flow matrix only has 712 transitions (discarded 536 similar events)
[2025-06-02 19:15:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:15:16] [INFO ] State equation strengthened by 83 read => feed constraints.
[2025-06-02 19:15:19] [INFO ] Implicit Places using invariants and state equation in 3321 ms returned []
Implicit Place search using SMT with State Equation took 3894 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:15:19] [INFO ] Redundant transitions in 120 ms returned []
Running 1246 sub problems to find dead transitions.
[2025-06-02 19:15:19] [INFO ] Flow matrix only has 712 transitions (discarded 536 similar events)
[2025-06-02 19:15:19] [INFO ] Invariant cache hit.
[2025-06-02 19:15:19] [INFO ] State equation strengthened by 83 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/434 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1246 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/434 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1246 unsolved
(s255 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 7.0)
(s6 0.0)
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(s13 0.0)
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(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
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(s25 0.0)
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 434/1146 variables, and 2 constraints, problems are : Problem set: 0 solved, 1246 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/434 constraints, ReadFeed: 0/83 constraints, PredecessorRefiner: 1246/1246 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1246 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/434 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1246 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/434 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1246 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 434/1146 variables, and 2 constraints, problems are : Problem set: 0 solved, 1246 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/434 constraints, ReadFeed: 0/83 constraints, PredecessorRefiner: 0/1246 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62701ms problems are : Problem set: 0 solved, 1246 unsolved
Search for dead transitions found 0 dead transitions in 62708ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66810 ms. Remains : 434/434 places, 1248/1248 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[193, 344, 127, 262, 121] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-02
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 19:16:22] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
// Phase 1: matrix 717 rows 436 cols
[2025-06-02 19:16:22] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 62 ms. (158 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 17 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 19:16:22] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:16:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:16:22] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:16:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:16:23] [INFO ] [Real]Absence check using state equation in 398 ms returned sat
[2025-06-02 19:16:23] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:16:23] [INFO ] [Real]Added 85 Read/Feed constraints in 60 ms returned sat
[2025-06-02 19:16:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:16:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:16:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:16:23] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-02 19:16:24] [INFO ] [Nat]Added 85 Read/Feed constraints in 92 ms returned sat
[2025-06-02 19:16:24] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 425 ms.
[2025-06-02 19:16:25] [INFO ] Added : 23 causal constraints over 6 iterations in 1002 ms. Result :sat
Minimization took 681 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Graph (complete) has 2153 edges and 436 vertex of which 433 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 433 transition count 1248
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 10 place count 430 transition count 1242
Iterating global reduction 1 with 3 rules applied. Total rules applied 13 place count 430 transition count 1242
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 17 place count 430 transition count 1238
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 20 place count 427 transition count 1232
Iterating global reduction 2 with 3 rules applied. Total rules applied 23 place count 427 transition count 1232
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 24 place count 426 transition count 1228
Iterating global reduction 2 with 1 rules applied. Total rules applied 25 place count 426 transition count 1228
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 26 place count 425 transition count 1226
Iterating global reduction 2 with 1 rules applied. Total rules applied 27 place count 425 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 28 place count 424 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 29 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 30 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 31 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 32 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 33 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 34 place count 421 transition count 1218
Iterating global reduction 2 with 1 rules applied. Total rules applied 35 place count 421 transition count 1218
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 36 place count 420 transition count 1216
Iterating global reduction 2 with 1 rules applied. Total rules applied 37 place count 420 transition count 1216
Applied a total of 37 rules in 171 ms. Remains 420 /436 variables (removed 16) and now considering 1216/1254 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 171 ms. Remains : 420/436 places, 1216/1254 transitions.
[2025-06-02 19:16:25] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 400 ms. (steps per millisecond=25 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-06-02 19:16:26] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
// Phase 1: matrix 687 rows 420 cols
[2025-06-02 19:16:26] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3726 ms. (268 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2157 ms. (463 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[363] Max Struct:[+inf]
[2025-06-02 19:16:32] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:16:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:16:32] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:16:33] [INFO ] [Real]Absence check using state equation in 236 ms returned sat
[2025-06-02 19:16:33] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:16:33] [INFO ] [Real]Added 75 Read/Feed constraints in 69 ms returned sat
[2025-06-02 19:16:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:16:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 19:16:33] [INFO ] [Nat]Absence check using state equation in 332 ms returned sat
[2025-06-02 19:16:33] [INFO ] [Nat]Added 75 Read/Feed constraints in 52 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:16:34] [INFO ] Deduced a trap composed of 70 places in 413 ms of which 31 ms to minimize.
[2025-06-02 19:16:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 469 ms
[2025-06-02 19:16:34] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 92 ms.
[2025-06-02 19:16:34] [INFO ] Added : 10 causal constraints over 3 iterations in 541 ms. Result :sat
Minimization took 374 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[363] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[363] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 63 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 62 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-02 19:16:36] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:16:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:16:36] [INFO ] Implicit Places using invariants in 527 ms returned []
[2025-06-02 19:16:36] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:16:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:16:37] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:16:39] [INFO ] Implicit Places using invariants and state equation in 3423 ms returned []
Implicit Place search using SMT with State Equation took 3961 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:16:40] [INFO ] Redundant transitions in 57 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-02 19:16:40] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:16:40] [INFO ] Invariant cache hit.
[2025-06-02 19:16:40] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 423 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62921ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 62928ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67024 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-02 19:17:42] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 214 ms. (steps per millisecond=46 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[363] Max Struct:[+inf]
[2025-06-02 19:17:43] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:17:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[363] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3904 ms. (256 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2127 ms. (469 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[393] Max Struct:[+inf]
[2025-06-02 19:17:49] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:17:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:17:49] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:17:50] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2025-06-02 19:17:50] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:17:50] [INFO ] [Real]Added 75 Read/Feed constraints in 57 ms returned sat
[2025-06-02 19:17:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:17:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 19:17:50] [INFO ] [Nat]Absence check using state equation in 309 ms returned sat
[2025-06-02 19:17:50] [INFO ] [Nat]Added 75 Read/Feed constraints in 71 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:17:51] [INFO ] Deduced a trap composed of 70 places in 597 ms of which 50 ms to minimize.
[2025-06-02 19:17:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 681 ms
[2025-06-02 19:17:51] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 134 ms.
[2025-06-02 19:17:52] [INFO ] Added : 10 causal constraints over 3 iterations in 871 ms. Result :sat
Minimization took 531 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[393] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[393] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 68 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 70 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-02 19:17:54] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:17:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:17:54] [INFO ] Implicit Places using invariants in 839 ms returned []
[2025-06-02 19:17:54] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:17:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:17:55] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:17:58] [INFO ] Implicit Places using invariants and state equation in 3436 ms returned []
Implicit Place search using SMT with State Equation took 4278 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:17:58] [INFO ] Redundant transitions in 27 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-02 19:17:58] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:17:58] [INFO ] Invariant cache hit.
[2025-06-02 19:17:58] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62987ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 62992ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67377 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-02 19:19:01] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 218 ms. (steps per millisecond=45 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[393] Max Struct:[+inf]
[2025-06-02 19:19:02] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:19:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[393] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4777 ms. (209 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2892 ms. (345 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[393] Max Struct:[+inf]
[2025-06-02 19:19:09] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:19:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:19:09] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 19:19:10] [INFO ] [Real]Absence check using state equation in 397 ms returned sat
[2025-06-02 19:19:10] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:19:10] [INFO ] [Real]Added 75 Read/Feed constraints in 76 ms returned sat
[2025-06-02 19:19:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:19:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 19:19:10] [INFO ] [Nat]Absence check using state equation in 400 ms returned sat
[2025-06-02 19:19:11] [INFO ] [Nat]Added 75 Read/Feed constraints in 93 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:19:11] [INFO ] Deduced a trap composed of 70 places in 678 ms of which 54 ms to minimize.
[2025-06-02 19:19:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 771 ms
[2025-06-02 19:19:12] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 154 ms.
[2025-06-02 19:19:12] [INFO ] Added : 10 causal constraints over 3 iterations in 898 ms. Result :sat
Minimization took 543 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[393] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[393] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 101 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 97 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-02 19:19:14] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:19:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:19:15] [INFO ] Implicit Places using invariants in 713 ms returned []
[2025-06-02 19:19:15] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:19:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:19:16] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:19:18] [INFO ] Implicit Places using invariants and state equation in 3250 ms returned []
Implicit Place search using SMT with State Equation took 3965 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:19:18] [INFO ] Redundant transitions in 28 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-02 19:19:18] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:19:18] [INFO ] Invariant cache hit.
[2025-06-02 19:19:19] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62806ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 62808ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66909 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-02 19:20:21] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 217 ms. (steps per millisecond=46 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[393] Max Struct:[+inf]
[2025-06-02 19:20:22] [INFO ] Flatten gal took : 132 ms
RANDOM walk for 40005 steps (8 resets) in 447 ms. (89 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
[2025-06-02 19:20:22] [INFO ] Flatten gal took : 132 ms
[2025-06-02 19:20:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7583533965225316069.gal : 23 ms
[2025-06-02 19:20:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6348703548585775056.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/ReachabilityCardinality7583533965225316069.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6348703548585775056.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 ...328
Loading property file /tmp/ReachabilityCardinality6348703548585775056.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 288133 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :0 out of 1
Probabilistic random walk after 288133 steps, saw 176691 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
[2025-06-02 19:20:25] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:20:25] [INFO ] Invariant cache hit.
[2025-06-02 19:20:25] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/372 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/372 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 605/977 variables, 337/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/977 variables, 74/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1039 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1039 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1107 variables, 68/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1107/1107 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 432 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/372 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/372 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 605/977 variables, 337/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 74/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/977 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1039 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1039 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1107 variables, 68/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 670 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1112ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 848 ms.
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 63 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 420/420 places, 1216/1216 transitions.
RANDOM walk for 40007 steps (8 resets) in 207 ms. (192 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
Interrupted probabilistic random walk after 359422 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :0 out of 1
Probabilistic random walk after 359422 steps, saw 220402 distinct states, run finished after 3001 ms. (steps per millisecond=119 ) properties seen :0
[2025-06-02 19:20:30] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:20:30] [INFO ] Invariant cache hit.
[2025-06-02 19:20:30] [INFO ] State equation strengthened by 75 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/372 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/372 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 605/977 variables, 337/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/977 variables, 74/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1039 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1039 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1107 variables, 68/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1107/1107 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 445 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/372 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/372 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 605/977 variables, 337/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 74/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/977 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1039 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1039 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1107 variables, 68/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 545 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1022ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 980 ms.
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 75 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 61 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-02 19:20:32] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:20:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:20:33] [INFO ] Implicit Places using invariants in 578 ms returned []
[2025-06-02 19:20:33] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:20:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:20:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:20:36] [INFO ] Implicit Places using invariants and state equation in 3244 ms returned []
Implicit Place search using SMT with State Equation took 3825 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:20:36] [INFO ] Redundant transitions in 29 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-02 19:20:36] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 19:20:36] [INFO ] Invariant cache hit.
[2025-06-02 19:20:36] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Detected timeout of ITS tools.
[2025-06-02 19:21:12] [INFO ] Flatten gal took : 40 ms
[2025-06-02 19:21:12] [INFO ] Applying decomposition
[2025-06-02 19:21:13] [INFO ] Flatten gal took : 39 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/graph7498609916722731726.txt' '-o' '/tmp/graph7498609916722731726.bin' '-w' '/tmp/graph7498609916722731726.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7498609916722731726.bin' '-l' '-1' '-v' '-w' '/tmp/graph7498609916722731726.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:21:13] [INFO ] Decomposing Gal with order
[2025-06-02 19:21:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:21:13] [INFO ] Removed a total of 2078 redundant transitions.
[2025-06-02 19:21:13] [INFO ] Flatten gal took : 163 ms
[2025-06-02 19:21:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 871 labels/synchronizations in 81 ms.
[2025-06-02 19:21:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9741162515617489828.gal : 21 ms
[2025-06-02 19:21:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9024845892455228169.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/ReachabilityCardinality9741162515617489828.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9024845892455228169.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 ...307
Loading property file /tmp/ReachabilityCardinality9024845892455228169.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (OVERLAPS) 687/1107 variables, 420/423 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1107 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 1712 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 31043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63469ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 63471ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67396 ms. Remains : 420/420 places, 1216/1216 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 529 transitions
Reduce isomorphic transitions removed 529 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 539 rules applied. Total rules applied 539 place count 420 transition count 677
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 549 place count 410 transition count 677
Performed 72 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 72 Pre rules applied. Total rules applied 549 place count 410 transition count 605
Deduced a syphon composed of 72 places in 1 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 693 place count 338 transition count 605
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 1 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 947 place count 211 transition count 478
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1011 place count 147 transition count 350
Iterating global reduction 2 with 64 rules applied. Total rules applied 1075 place count 147 transition count 350
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 1077 place count 147 transition count 348
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1140 place count 84 transition count 222
Iterating global reduction 3 with 63 rules applied. Total rules applied 1203 place count 84 transition count 222
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1266 place count 21 transition count 96
Iterating global reduction 3 with 63 rules applied. Total rules applied 1329 place count 21 transition count 96
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1392 place count 21 transition count 33
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1392 place count 21 transition count 32
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1394 place count 20 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1396 place count 19 transition count 31
Applied a total of 1396 rules in 102 ms. Remains 19 /420 variables (removed 401) and now considering 31/1216 (removed 1185) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-02 19:21:40] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 19:21:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-02 19:21:40] [INFO ] After 16ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 19:21:40] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 19:21:40] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 19:21:40] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 19:21:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 19:21:40] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 19:21:40] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 19:21:40] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 19:21:40] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 19:21:40] [INFO ] Flatten gal took : 2 ms
[2025-06-02 19:21:40] [INFO ] Flatten gal took : 1 ms
[2025-06-02 19:21:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11057026482814795723.gal : 1 ms
[2025-06-02 19:21:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10977965754179531170.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/ReachabilityCardinality11057026482814795723.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10977965754179531170.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10977965754179531170.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 57539
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :57539 after 3.245e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.245e+06 after 3.70307e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.70307e+08 after 1.10371e+09
Detected timeout of ITS tools.
[2025-06-02 19:21:55] [INFO ] Flatten gal took : 2 ms
[2025-06-02 19:21:55] [INFO ] Applying decomposition
[2025-06-02 19:21:55] [INFO ] Flatten gal took : 1 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/graph2341283556754871412.txt' '-o' '/tmp/graph2341283556754871412.bin' '-w' '/tmp/graph2341283556754871412.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2341283556754871412.bin' '-l' '-1' '-v' '-w' '/tmp/graph2341283556754871412.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:21:55] [INFO ] Decomposing Gal with order
[2025-06-02 19:21:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:21:55] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 19:21:55] [INFO ] Flatten gal took : 3 ms
[2025-06-02 19:21:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-02 19:21:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8488053004084206658.gal : 1 ms
[2025-06-02 19:21:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17081747517555564873.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/ReachabilityCardinality8488053004084206658.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17081747517555564873.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/ReachabilityCardinality17081747517555564873.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30293 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[393] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-02 in 347977 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 19:22:10] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
// Phase 1: matrix 717 rows 436 cols
[2025-06-02 19:22:10] [INFO ] Computed 2 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 37 ms. (263 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:[+inf]
[2025-06-02 19:22:10] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:22:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:22:10] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:22:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:22:11] [INFO ] [Real]Absence check using state equation in 353 ms returned sat
[2025-06-02 19:22:11] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:22:11] [INFO ] [Real]Added 85 Read/Feed constraints in 67 ms returned sat
[2025-06-02 19:22:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:22:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:22:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:22:11] [INFO ] [Nat]Absence check using state equation in 368 ms returned sat
[2025-06-02 19:22:11] [INFO ] [Nat]Added 85 Read/Feed constraints in 47 ms returned sat
[2025-06-02 19:22:11] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 122 ms.
[2025-06-02 19:22:12] [INFO ] Added : 11 causal constraints over 4 iterations in 460 ms. Result :sat
Minimization took 595 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Graph (complete) has 2153 edges and 436 vertex of which 433 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 433 transition count 1248
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 10 place count 430 transition count 1240
Iterating global reduction 1 with 3 rules applied. Total rules applied 13 place count 430 transition count 1240
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 15 place count 430 transition count 1238
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 18 place count 427 transition count 1232
Iterating global reduction 2 with 3 rules applied. Total rules applied 21 place count 427 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 23 place count 425 transition count 1226
Iterating global reduction 2 with 2 rules applied. Total rules applied 25 place count 425 transition count 1226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 27 place count 423 transition count 1222
Iterating global reduction 2 with 2 rules applied. Total rules applied 29 place count 423 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 31 place count 421 transition count 1218
Iterating global reduction 2 with 2 rules applied. Total rules applied 33 place count 421 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 35 place count 419 transition count 1214
Iterating global reduction 2 with 2 rules applied. Total rules applied 37 place count 419 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 39 place count 417 transition count 1210
Iterating global reduction 2 with 2 rules applied. Total rules applied 41 place count 417 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 42 place count 416 transition count 1208
Iterating global reduction 2 with 1 rules applied. Total rules applied 43 place count 416 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 415 transition count 1206
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 415 transition count 1206
Applied a total of 45 rules in 293 ms. Remains 415 /436 variables (removed 21) and now considering 1206/1254 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 294 ms. Remains : 415/436 places, 1206/1254 transitions.
[2025-06-02 19:22:13] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {202=1, 289=1, 614=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 134 ms. (steps per millisecond=74 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 19:22:13] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2025-06-02 19:22:13] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 4184 ms. (238 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1908 ms. (523 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[517] Max Struct:[+inf]
[2025-06-02 19:22:20] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:22:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:22:20] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 19:22:20] [INFO ] [Real]Absence check using state equation in 333 ms returned sat
[2025-06-02 19:22:20] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:22:20] [INFO ] [Real]Added 74 Read/Feed constraints in 70 ms returned sat
[2025-06-02 19:22:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:22:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 19:22:21] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-02 19:22:21] [INFO ] [Nat]Added 74 Read/Feed constraints in 56 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:22:21] [INFO ] Deduced a trap composed of 70 places in 546 ms of which 48 ms to minimize.
[2025-06-02 19:22:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 617 ms
[2025-06-02 19:22:21] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 140 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:22:22] [INFO ] Deduced a trap composed of 70 places in 552 ms of which 47 ms to minimize.
[2025-06-02 19:22:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 658 ms
[2025-06-02 19:22:22] [INFO ] Added : 5 causal constraints over 2 iterations in 1117 ms. Result :sat
Minimization took 495 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[517] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[517] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 76 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 80 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:22:26] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:22:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:22:26] [INFO ] Implicit Places using invariants in 793 ms returned []
[2025-06-02 19:22:26] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:22:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:22:27] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:22:29] [INFO ] Implicit Places using invariants and state equation in 2733 ms returned []
Implicit Place search using SMT with State Equation took 3528 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:22:29] [INFO ] Redundant transitions in 27 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:22:29] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:22:29] [INFO ] Invariant cache hit.
[2025-06-02 19:22:29] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62511ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62514ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66161 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 19:23:32] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {202=1, 289=1, 614=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 211 ms. (steps per millisecond=47 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[517] Max Struct:[+inf]
[2025-06-02 19:23:33] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:23:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[517] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3849 ms. (259 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2432 ms. (411 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[553] Max Struct:[+inf]
[2025-06-02 19:23:39] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:23:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:23:39] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:23:39] [INFO ] [Real]Absence check using state equation in 228 ms returned sat
[2025-06-02 19:23:39] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:23:39] [INFO ] [Real]Added 74 Read/Feed constraints in 49 ms returned sat
[2025-06-02 19:23:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:23:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:23:40] [INFO ] [Nat]Absence check using state equation in 227 ms returned sat
[2025-06-02 19:23:40] [INFO ] [Nat]Added 74 Read/Feed constraints in 36 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:23:40] [INFO ] Deduced a trap composed of 70 places in 408 ms of which 31 ms to minimize.
[2025-06-02 19:23:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 457 ms
[2025-06-02 19:23:40] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 89 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:23:41] [INFO ] Deduced a trap composed of 70 places in 623 ms of which 47 ms to minimize.
[2025-06-02 19:23:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 685 ms
[2025-06-02 19:23:41] [INFO ] Added : 5 causal constraints over 2 iterations in 965 ms. Result :sat
Minimization took 315 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[553] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[553] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 62 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 62 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:23:44] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:23:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:23:45] [INFO ] Implicit Places using invariants in 667 ms returned []
[2025-06-02 19:23:45] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:23:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:23:45] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:23:48] [INFO ] Implicit Places using invariants and state equation in 2427 ms returned []
Implicit Place search using SMT with State Equation took 3106 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:23:48] [INFO ] Redundant transitions in 46 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:23:48] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:23:48] [INFO ] Invariant cache hit.
[2025-06-02 19:23:48] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62550ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62554ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65779 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 19:24:50] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {202=1, 289=1, 614=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 196 ms. (steps per millisecond=51 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[553] Max Struct:[+inf]
[2025-06-02 19:24:51] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:24:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[553] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 4481 ms. (223 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 2669 ms. (374 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[553] Max Struct:[+inf]
[2025-06-02 19:24:58] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:24:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:24:59] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 19:24:59] [INFO ] [Real]Absence check using state equation in 397 ms returned sat
[2025-06-02 19:24:59] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:24:59] [INFO ] [Real]Added 74 Read/Feed constraints in 88 ms returned sat
[2025-06-02 19:24:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:24:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 19:25:00] [INFO ] [Nat]Absence check using state equation in 380 ms returned sat
[2025-06-02 19:25:00] [INFO ] [Nat]Added 74 Read/Feed constraints in 71 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:25:00] [INFO ] Deduced a trap composed of 70 places in 646 ms of which 52 ms to minimize.
[2025-06-02 19:25:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 728 ms
[2025-06-02 19:25:01] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 162 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:25:02] [INFO ] Deduced a trap composed of 70 places in 694 ms of which 78 ms to minimize.
[2025-06-02 19:25:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 781 ms
[2025-06-02 19:25:02] [INFO ] Added : 5 causal constraints over 2 iterations in 1229 ms. Result :sat
Minimization took 325 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[553] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[553] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 72 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 94 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:25:06] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:25:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:25:06] [INFO ] Implicit Places using invariants in 526 ms returned []
[2025-06-02 19:25:06] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:25:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:25:07] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:25:09] [INFO ] Implicit Places using invariants and state equation in 2653 ms returned []
Implicit Place search using SMT with State Equation took 3181 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:25:09] [INFO ] Redundant transitions in 28 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:25:09] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:25:09] [INFO ] Invariant cache hit.
[2025-06-02 19:25:09] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62486ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62489ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65801 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 19:26:11] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {202=1, 289=1, 614=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 214 ms. (steps per millisecond=46 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[553] Max Struct:[+inf]
[2025-06-02 19:26:13] [INFO ] Flatten gal took : 54 ms
[2025-06-02 19:26:13] [INFO ] Flatten gal took : 63 ms
[2025-06-02 19:26:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15123576929236061490.gal : 12 ms
[2025-06-02 19:26:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4062079836948769255.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/ReachabilityCardinality15123576929236061490.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4062079836948769255.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40009 steps (8 resets) in 587 ms. (68 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality4062079836948769255.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 330535 steps, run timeout after 3001 ms. (steps per millisecond=110 ) properties seen :0 out of 1
Probabilistic random walk after 330535 steps, saw 202690 distinct states, run finished after 3001 ms. (steps per millisecond=110 ) properties seen :0
[2025-06-02 19:26:16] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:26:16] [INFO ] Invariant cache hit.
[2025-06-02 19:26:16] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 702 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 827 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1539ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 676 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 63 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 415/415 places, 1206/1206 transitions.
RANDOM walk for 40002 steps (8 resets) in 238 ms. (167 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
Interrupted probabilistic random walk after 370962 steps, run timeout after 3001 ms. (steps per millisecond=123 ) properties seen :0 out of 1
Probabilistic random walk after 370962 steps, saw 227477 distinct states, run finished after 3001 ms. (steps per millisecond=123 ) properties seen :0
[2025-06-02 19:26:21] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:26:21] [INFO ] Invariant cache hit.
[2025-06-02 19:26:21] [INFO ] State equation strengthened by 74 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 682 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 837 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1528ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 600 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 71 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 77 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:26:23] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:26:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:26:24] [INFO ] Implicit Places using invariants in 541 ms returned []
[2025-06-02 19:26:24] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:26:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:26:24] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:26:26] [INFO ] Implicit Places using invariants and state equation in 2328 ms returned []
Implicit Place search using SMT with State Equation took 2871 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:26:26] [INFO ] Redundant transitions in 28 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:26:26] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:26:26] [INFO ] Invariant cache hit.
[2025-06-02 19:26:26] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Detected timeout of ITS tools.
[2025-06-02 19:27:03] [INFO ] Flatten gal took : 31 ms
[2025-06-02 19:27:03] [INFO ] Applying decomposition
[2025-06-02 19:27:03] [INFO ] Flatten gal took : 32 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/graph8269608665652263924.txt' '-o' '/tmp/graph8269608665652263924.bin' '-w' '/tmp/graph8269608665652263924.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8269608665652263924.bin' '-l' '-1' '-v' '-w' '/tmp/graph8269608665652263924.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:27:03] [INFO ] Decomposing Gal with order
[2025-06-02 19:27:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:27:03] [INFO ] Removed a total of 2064 redundant transitions.
[2025-06-02 19:27:03] [INFO ] Flatten gal took : 71 ms
[2025-06-02 19:27:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 848 labels/synchronizations in 45 ms.
[2025-06-02 19:27:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3409249225180374490.gal : 7 ms
[2025-06-02 19:27:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14183972829981118645.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/ReachabilityCardinality3409249225180374490.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14183972829981118645.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/ReachabilityCardinality14183972829981118645.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 31053 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64161ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 64164ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67149 ms. Remains : 415/415 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 526 transitions
Reduce isomorphic transitions removed 526 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 415 transition count 670
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 546 place count 405 transition count 670
Performed 67 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 67 Pre rules applied. Total rules applied 546 place count 405 transition count 603
Deduced a syphon composed of 67 places in 0 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 680 place count 338 transition count 603
Performed 129 Post agglomeration using F-continuation condition.Transition count delta: 129
Deduced a syphon composed of 129 places in 0 ms
Reduce places removed 129 places and 0 transitions.
Iterating global reduction 2 with 258 rules applied. Total rules applied 938 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1002 place count 145 transition count 346
Iterating global reduction 2 with 64 rules applied. Total rules applied 1066 place count 145 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1067 place count 145 transition count 345
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1067 place count 145 transition count 344
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1069 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1132 place count 81 transition count 218
Iterating global reduction 3 with 63 rules applied. Total rules applied 1195 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1258 place count 18 transition count 92
Iterating global reduction 3 with 63 rules applied. Total rules applied 1321 place count 18 transition count 92
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1384 place count 18 transition count 29
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1384 place count 18 transition count 28
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1386 place count 17 transition count 28
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1389 place count 17 transition count 25
Applied a total of 1389 rules in 104 ms. Remains 17 /415 variables (removed 398) and now considering 25/1206 (removed 1181) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 25 rows 17 cols
[2025-06-02 19:27:31] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 19:27:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 19:27:31] [INFO ] After 10ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 19:27:31] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 19:27:31] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 19:27:31] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 19:27:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 19:27:31] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 19:27:31] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 19:27:31] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 19:27:31] [INFO ] After 42ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 19:27:31] [INFO ] Flatten gal took : 1 ms
[2025-06-02 19:27:31] [INFO ] Flatten gal took : 1 ms
[2025-06-02 19:27:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18212761018307560969.gal : 1 ms
[2025-06-02 19:27:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6851763250910278016.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/ReachabilityCardinality18212761018307560969.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6851763250910278016.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6851763250910278016.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 57539
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :57539 after 2.55463e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.55463e+06 after 7.32027e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :7.32027e+08 after 2.19884e+09
Detected timeout of ITS tools.
[2025-06-02 19:27:46] [INFO ] Flatten gal took : 1 ms
[2025-06-02 19:27:46] [INFO ] Applying decomposition
[2025-06-02 19:27:46] [INFO ] Flatten gal took : 0 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/graph6683177586467808628.txt' '-o' '/tmp/graph6683177586467808628.bin' '-w' '/tmp/graph6683177586467808628.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6683177586467808628.bin' '-l' '-1' '-v' '-w' '/tmp/graph6683177586467808628.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:27:46] [INFO ] Decomposing Gal with order
[2025-06-02 19:27:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:27:46] [INFO ] Removed a total of 14 redundant transitions.
[2025-06-02 19:27:46] [INFO ] Flatten gal took : 3 ms
[2025-06-02 19:27:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 19:27:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14908292213490848890.gal : 1 ms
[2025-06-02 19:27:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6968177542253477793.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/ReachabilityCardinality14908292213490848890.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6968177542253477793.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/ReachabilityCardinality6968177542253477793.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 66560
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :66560 after 3.69894e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.69894e+06 after 2.34939e+11
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.34939e+11 after 1.07156e+13
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30281 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[553] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-05 in 350679 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 19:28:01] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
// Phase 1: matrix 717 rows 436 cols
[2025-06-02 19:28:01] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 35 ms. (277 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-02 19:28:01] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:28:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:28:01] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:28:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:28:01] [INFO ] [Real]Absence check using state equation in 334 ms returned sat
[2025-06-02 19:28:01] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:28:01] [INFO ] [Real]Added 85 Read/Feed constraints in 50 ms returned sat
[2025-06-02 19:28:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:28:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:28:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-02 19:28:02] [INFO ] [Nat]Absence check using state equation in 396 ms returned sat
[2025-06-02 19:28:02] [INFO ] [Nat]Added 85 Read/Feed constraints in 65 ms returned sat
[2025-06-02 19:28:02] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 166 ms.
[2025-06-02 19:28:03] [INFO ] Added : 17 causal constraints over 6 iterations in 752 ms. Result :sat
Minimization took 613 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 432 transition count 1244
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 432 transition count 1244
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 12 place count 432 transition count 1240
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 428 transition count 1232
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 428 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 22 place count 426 transition count 1226
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 426 transition count 1226
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 424 transition count 1222
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 424 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 30 place count 422 transition count 1218
Iterating global reduction 1 with 2 rules applied. Total rules applied 32 place count 422 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 34 place count 420 transition count 1214
Iterating global reduction 1 with 2 rules applied. Total rules applied 36 place count 420 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 38 place count 418 transition count 1210
Iterating global reduction 1 with 2 rules applied. Total rules applied 40 place count 418 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 41 place count 417 transition count 1208
Iterating global reduction 1 with 1 rules applied. Total rules applied 42 place count 417 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 43 place count 416 transition count 1206
Iterating global reduction 1 with 1 rules applied. Total rules applied 44 place count 416 transition count 1206
Applied a total of 44 rules in 253 ms. Remains 416 /436 variables (removed 20) and now considering 1206/1254 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 253 ms. Remains : 416/436 places, 1206/1254 transitions.
[2025-06-02 19:28:04] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 134 ms. (steps per millisecond=74 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-06-02 19:28:04] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2025-06-02 19:28:04] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3878 ms. (257 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1932 ms. (517 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[72] Max Struct:[+inf]
[2025-06-02 19:28:10] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:28:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:28:10] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:28:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:28:11] [INFO ] [Real]Absence check using state equation in 381 ms returned sat
[2025-06-02 19:28:11] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:28:11] [INFO ] [Real]Added 75 Read/Feed constraints in 125 ms returned sat
[2025-06-02 19:28:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:28:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:28:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:28:11] [INFO ] [Nat]Absence check using state equation in 372 ms returned sat
[2025-06-02 19:28:11] [INFO ] [Nat]Added 75 Read/Feed constraints in 103 ms returned sat
[2025-06-02 19:28:12] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 149 ms.
[2025-06-02 19:28:12] [INFO ] Added : 3 causal constraints over 1 iterations in 314 ms. Result :sat
Minimization took 804 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[72] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[72] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 64 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 63 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:28:13] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:28:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:28:13] [INFO ] Implicit Places using invariants in 589 ms returned []
[2025-06-02 19:28:13] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:28:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:28:14] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:28:16] [INFO ] Implicit Places using invariants and state equation in 2874 ms returned []
Implicit Place search using SMT with State Equation took 3464 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:28:16] [INFO ] Redundant transitions in 28 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:28:16] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:28:16] [INFO ] Invariant cache hit.
[2025-06-02 19:28:16] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s117 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1097 variables, 75/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 31031 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63950ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 63952ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67519 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 19:29:20] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 198 ms. (steps per millisecond=50 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[72] Max Struct:[+inf]
[2025-06-02 19:29:21] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:29:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[72] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3790 ms. (263 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1832 ms. (545 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[99] Max Struct:[+inf]
[2025-06-02 19:29:26] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:29:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:29:26] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:29:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:29:27] [INFO ] [Real]Absence check using state equation in 388 ms returned sat
[2025-06-02 19:29:27] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:29:27] [INFO ] [Real]Added 75 Read/Feed constraints in 177 ms returned sat
[2025-06-02 19:29:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:29:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 19:29:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 19:29:28] [INFO ] [Nat]Absence check using state equation in 370 ms returned sat
[2025-06-02 19:29:28] [INFO ] [Nat]Added 75 Read/Feed constraints in 95 ms returned sat
[2025-06-02 19:29:28] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 139 ms.
[2025-06-02 19:29:28] [INFO ] Added : 3 causal constraints over 1 iterations in 302 ms. Result :sat
Minimization took 697 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[99] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[99] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 63 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 59 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:29:29] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:29:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:29:30] [INFO ] Implicit Places using invariants in 725 ms returned []
[2025-06-02 19:29:30] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:29:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:29:30] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:29:32] [INFO ] Implicit Places using invariants and state equation in 2513 ms returned []
Implicit Place search using SMT with State Equation took 3240 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:29:32] [INFO ] Redundant transitions in 28 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:29:32] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:29:32] [INFO ] Invariant cache hit.
[2025-06-02 19:29:32] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62571ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62574ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65908 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 19:30:35] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[99] Max Struct:[+inf]
[2025-06-02 19:30:35] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:30:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[99] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3991 ms. (250 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1889 ms. (529 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[99] Max Struct:[+inf]
[2025-06-02 19:30:41] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:30:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:30:41] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:30:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:30:42] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
[2025-06-02 19:30:42] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:30:42] [INFO ] [Real]Added 75 Read/Feed constraints in 182 ms returned sat
[2025-06-02 19:30:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:30:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:30:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:30:42] [INFO ] [Nat]Absence check using state equation in 384 ms returned sat
[2025-06-02 19:30:43] [INFO ] [Nat]Added 75 Read/Feed constraints in 103 ms returned sat
[2025-06-02 19:30:43] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 149 ms.
[2025-06-02 19:30:43] [INFO ] Added : 3 causal constraints over 1 iterations in 313 ms. Result :sat
Minimization took 761 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[99] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[99] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 63 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 64 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:30:44] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:30:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:30:45] [INFO ] Implicit Places using invariants in 735 ms returned []
[2025-06-02 19:30:45] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:30:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:30:45] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:30:48] [INFO ] Implicit Places using invariants and state equation in 2994 ms returned []
Implicit Place search using SMT with State Equation took 3731 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:30:48] [INFO ] Redundant transitions in 27 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:30:48] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:30:48] [INFO ] Invariant cache hit.
[2025-06-02 19:30:48] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62397ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62400ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66233 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 19:31:50] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 225 ms. (steps per millisecond=44 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[99] Max Struct:[+inf]
[2025-06-02 19:31:51] [INFO ] Flatten gal took : 50 ms
RANDOM walk for 40003 steps (8 resets) in 324 ms. (123 steps per ms) remains 1/1 properties
[2025-06-02 19:31:51] [INFO ] Flatten gal took : 60 ms
[2025-06-02 19:31:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12027993459617592973.gal : 10 ms
[2025-06-02 19:31:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10074068925900667317.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/ReachabilityCardinality12027993459617592973.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10074068925900667317.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality10074068925900667317.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 331782 steps, run timeout after 3001 ms. (steps per millisecond=110 ) properties seen :0 out of 1
Probabilistic random walk after 331782 steps, saw 203453 distinct states, run finished after 3004 ms. (steps per millisecond=110 ) properties seen :0
[2025-06-02 19:31:54] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 19:31:54] [INFO ] Invariant cache hit.
[2025-06-02 19:31:54] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 62/1014 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1014 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1015 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 549 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/952 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 62/1014 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1014 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1083 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1083 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1091 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1091 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1097 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 731 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1291ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1100 steps, including 0 resets, run visited all 1 properties in 10 ms. (steps per millisecond=110 )
Parikh walk visited 1 properties in 17 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[99] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-07 in 234445 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 19:31:55] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
// Phase 1: matrix 717 rows 436 cols
[2025-06-02 19:31:55] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 35 ms. (277 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 19:31:55] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:31:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:31:55] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 19:31:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:31:56] [INFO ] [Real]Absence check using state equation in 362 ms returned sat
[2025-06-02 19:31:56] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:31:56] [INFO ] [Real]Added 85 Read/Feed constraints in 66 ms returned sat
[2025-06-02 19:31:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:31:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 11 ms returned sat
[2025-06-02 19:31:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:31:56] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2025-06-02 19:31:56] [INFO ] [Nat]Added 85 Read/Feed constraints in 58 ms returned sat
[2025-06-02 19:31:57] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 147 ms.
[2025-06-02 19:31:57] [INFO ] Added : 10 causal constraints over 4 iterations in 527 ms. Result :sat
Minimization took 581 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Graph (complete) has 2153 edges and 436 vertex of which 433 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 433 transition count 1248
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 10 place count 430 transition count 1240
Iterating global reduction 1 with 3 rules applied. Total rules applied 13 place count 430 transition count 1240
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 15 place count 430 transition count 1238
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 18 place count 427 transition count 1232
Iterating global reduction 2 with 3 rules applied. Total rules applied 21 place count 427 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 23 place count 425 transition count 1226
Iterating global reduction 2 with 2 rules applied. Total rules applied 25 place count 425 transition count 1226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 27 place count 423 transition count 1222
Iterating global reduction 2 with 2 rules applied. Total rules applied 29 place count 423 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 31 place count 421 transition count 1218
Iterating global reduction 2 with 2 rules applied. Total rules applied 33 place count 421 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 35 place count 419 transition count 1214
Iterating global reduction 2 with 2 rules applied. Total rules applied 37 place count 419 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 39 place count 417 transition count 1210
Iterating global reduction 2 with 2 rules applied. Total rules applied 41 place count 417 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 42 place count 416 transition count 1208
Iterating global reduction 2 with 1 rules applied. Total rules applied 43 place count 416 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 415 transition count 1206
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 415 transition count 1206
Applied a total of 45 rules in 231 ms. Remains 415 /436 variables (removed 21) and now considering 1206/1254 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 232 ms. Remains : 415/436 places, 1206/1254 transitions.
[2025-06-02 19:31:58] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 198 ms. (steps per millisecond=50 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 19:31:59] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2025-06-02 19:31:59] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3965 ms. (252 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2415 ms. (413 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[542] Max Struct:[+inf]
[2025-06-02 19:32:05] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:32:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:32:05] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:32:06] [INFO ] [Real]Absence check using state equation in 245 ms returned sat
[2025-06-02 19:32:06] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:32:06] [INFO ] [Real]Added 74 Read/Feed constraints in 56 ms returned sat
[2025-06-02 19:32:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:32:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 19:32:06] [INFO ] [Nat]Absence check using state equation in 286 ms returned sat
[2025-06-02 19:32:06] [INFO ] [Nat]Added 74 Read/Feed constraints in 71 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:32:07] [INFO ] Deduced a trap composed of 70 places in 673 ms of which 59 ms to minimize.
[2025-06-02 19:32:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 754 ms
[2025-06-02 19:32:07] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 158 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:32:08] [INFO ] Deduced a trap composed of 70 places in 705 ms of which 80 ms to minimize.
[2025-06-02 19:32:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 811 ms
[2025-06-02 19:32:08] [INFO ] Added : 7 causal constraints over 4 iterations in 1420 ms. Result :sat
Minimization took 489 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[542] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[542] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 116 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 95 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:32:10] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:32:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:32:11] [INFO ] Implicit Places using invariants in 754 ms returned []
[2025-06-02 19:32:11] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:32:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:32:11] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:32:13] [INFO ] Implicit Places using invariants and state equation in 2518 ms returned []
Implicit Place search using SMT with State Equation took 3273 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:32:13] [INFO ] Redundant transitions in 27 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:32:13] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:32:13] [INFO ] Invariant cache hit.
[2025-06-02 19:32:13] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s75 0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62378ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62381ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65785 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 19:33:16] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 201 ms. (steps per millisecond=49 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[542] Max Struct:[+inf]
[2025-06-02 19:33:17] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:33:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[542] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3918 ms. (255 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2037 ms. (490 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[573] Max Struct:[+inf]
[2025-06-02 19:33:23] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:33:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:33:23] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:33:23] [INFO ] [Real]Absence check using state equation in 247 ms returned sat
[2025-06-02 19:33:23] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:33:23] [INFO ] [Real]Added 74 Read/Feed constraints in 60 ms returned sat
[2025-06-02 19:33:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:33:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 19:33:24] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-02 19:33:24] [INFO ] [Nat]Added 74 Read/Feed constraints in 69 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:33:24] [INFO ] Deduced a trap composed of 70 places in 661 ms of which 59 ms to minimize.
[2025-06-02 19:33:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 743 ms
[2025-06-02 19:33:25] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 141 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:33:26] [INFO ] Deduced a trap composed of 70 places in 640 ms of which 46 ms to minimize.
[2025-06-02 19:33:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 714 ms
[2025-06-02 19:33:26] [INFO ] Added : 7 causal constraints over 4 iterations in 1228 ms. Result :sat
Minimization took 327 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[573] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[573] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 80 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 78 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:33:27] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:33:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:33:28] [INFO ] Implicit Places using invariants in 697 ms returned []
[2025-06-02 19:33:28] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:33:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:33:28] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:33:30] [INFO ] Implicit Places using invariants and state equation in 2515 ms returned []
Implicit Place search using SMT with State Equation took 3213 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:33:30] [INFO ] Redundant transitions in 28 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:33:30] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:33:30] [INFO ] Invariant cache hit.
[2025-06-02 19:33:30] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(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 0)
(s199 0)
(s200 0)
(s201 0)
(s202 0)
(s203 0)
(s204 0)
(s205 0)
(s206 0)
(s207 0)
(s208 0)
(s209 0)
(s210 0)
(s211 0)
(s212 0)
(s213 0)
(s214 0)
(s215 0)
(s216 0)
(s217 0)
(s218 0)
(s219 0)
(s220 0)
(s221 0)
(s222 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62826ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62829ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66155 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 19:34:33] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 202 ms. (steps per millisecond=49 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[573] Max Struct:[+inf]
[2025-06-02 19:34:34] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:34:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[573] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 4706 ms. (212 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1963 ms. (509 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[573] Max Struct:[+inf]
[2025-06-02 19:34:41] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:34:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:34:41] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:34:41] [INFO ] [Real]Absence check using state equation in 252 ms returned sat
[2025-06-02 19:34:41] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:34:41] [INFO ] [Real]Added 74 Read/Feed constraints in 86 ms returned sat
[2025-06-02 19:34:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:34:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 19:34:42] [INFO ] [Nat]Absence check using state equation in 371 ms returned sat
[2025-06-02 19:34:42] [INFO ] [Nat]Added 74 Read/Feed constraints in 77 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:34:43] [INFO ] Deduced a trap composed of 70 places in 644 ms of which 48 ms to minimize.
[2025-06-02 19:34:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 717 ms
[2025-06-02 19:34:43] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 83 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:34:43] [INFO ] Deduced a trap composed of 70 places in 585 ms of which 77 ms to minimize.
[2025-06-02 19:34:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 671 ms
[2025-06-02 19:34:44] [INFO ] Added : 7 causal constraints over 4 iterations in 1052 ms. Result :sat
Minimization took 502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[573] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[573] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 120 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 120 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 126 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:34:45] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:34:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:34:46] [INFO ] Implicit Places using invariants in 835 ms returned []
[2025-06-02 19:34:46] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:34:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:34:47] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:34:49] [INFO ] Implicit Places using invariants and state equation in 2536 ms returned []
Implicit Place search using SMT with State Equation took 3373 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:34:49] [INFO ] Redundant transitions in 28 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:34:49] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:34:49] [INFO ] Invariant cache hit.
[2025-06-02 19:34:49] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30371 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62544ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62546ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66080 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 19:35:51] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 140 ms. (steps per millisecond=71 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[573] Max Struct:[+inf]
[2025-06-02 19:35:53] [INFO ] Flatten gal took : 114 ms
RANDOM walk for 40006 steps (8 resets) in 331 ms. (120 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
[2025-06-02 19:35:53] [INFO ] Flatten gal took : 69 ms
[2025-06-02 19:35:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15044493030744669960.gal : 18 ms
[2025-06-02 19:35:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6258911600534379352.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/ReachabilityCardinality15044493030744669960.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6258911600534379352.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6258911600534379352.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 342901 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 1
Probabilistic random walk after 342901 steps, saw 210272 distinct states, run finished after 3001 ms. (steps per millisecond=114 ) properties seen :0
[2025-06-02 19:35:56] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:35:56] [INFO ] Invariant cache hit.
[2025-06-02 19:35:56] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 527 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 686 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1222ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 596 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 62 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 415/415 places, 1206/1206 transitions.
RANDOM walk for 40012 steps (8 resets) in 181 ms. (219 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 347239 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 1
Probabilistic random walk after 347239 steps, saw 212932 distinct states, run finished after 3001 ms. (steps per millisecond=115 ) properties seen :0
[2025-06-02 19:36:01] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:36:01] [INFO ] Invariant cache hit.
[2025-06-02 19:36:01] [INFO ] State equation strengthened by 74 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD size :1.24464e+06 after 3.74714e+10
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 545 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 701 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1256ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 717 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 65 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 74 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 19:36:03] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:36:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:36:03] [INFO ] Implicit Places using invariants in 635 ms returned []
[2025-06-02 19:36:03] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:36:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:36:04] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 19:36:06] [INFO ] Implicit Places using invariants and state equation in 2473 ms returned []
Implicit Place search using SMT with State Equation took 3109 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:36:06] [INFO ] Redundant transitions in 29 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 19:36:06] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 19:36:06] [INFO ] Invariant cache hit.
[2025-06-02 19:36:06] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Detected timeout of ITS tools.
[2025-06-02 19:36:43] [INFO ] Flatten gal took : 36 ms
[2025-06-02 19:36:43] [INFO ] Applying decomposition
[2025-06-02 19:36:43] [INFO ] Flatten gal took : 37 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/graph471347818663752752.txt' '-o' '/tmp/graph471347818663752752.bin' '-w' '/tmp/graph471347818663752752.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph471347818663752752.bin' '-l' '-1' '-v' '-w' '/tmp/graph471347818663752752.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:36:43] [INFO ] Decomposing Gal with order
[2025-06-02 19:36:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:36:43] [INFO ] Removed a total of 2063 redundant transitions.
[2025-06-02 19:36:43] [INFO ] Flatten gal took : 83 ms
[2025-06-02 19:36:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 920 labels/synchronizations in 51 ms.
[2025-06-02 19:36:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15985065336091687263.gal : 9 ms
[2025-06-02 19:36:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality769722836431037488.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/ReachabilityCardinality15985065336091687263.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality769722836431037488.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 ...307
Loading property file /tmp/ReachabilityCardinality769722836431037488.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30185 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62491ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62494ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65720 ms. Remains : 415/415 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 526 transitions
Reduce isomorphic transitions removed 526 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 415 transition count 670
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 546 place count 405 transition count 670
Performed 67 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 67 Pre rules applied. Total rules applied 546 place count 405 transition count 603
Deduced a syphon composed of 67 places in 0 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 680 place count 338 transition count 603
Performed 129 Post agglomeration using F-continuation condition.Transition count delta: 129
Deduced a syphon composed of 129 places in 0 ms
Reduce places removed 129 places and 0 transitions.
Iterating global reduction 2 with 258 rules applied. Total rules applied 938 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1002 place count 145 transition count 346
Iterating global reduction 2 with 64 rules applied. Total rules applied 1066 place count 145 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1067 place count 145 transition count 345
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1067 place count 145 transition count 344
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1069 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1132 place count 81 transition count 218
Iterating global reduction 3 with 63 rules applied. Total rules applied 1195 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1258 place count 18 transition count 92
Iterating global reduction 3 with 63 rules applied. Total rules applied 1321 place count 18 transition count 92
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1384 place count 18 transition count 29
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1384 place count 18 transition count 28
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1386 place count 17 transition count 28
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1389 place count 17 transition count 25
Applied a total of 1389 rules in 30 ms. Remains 17 /415 variables (removed 398) and now considering 25/1206 (removed 1181) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 25 rows 17 cols
[2025-06-02 19:37:08] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 19:37:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 19:37:08] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 19:37:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 19:37:08] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 19:37:08] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 19:37:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 19:37:08] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 19:37:08] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 19:37:08] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 19:37:08] [INFO ] After 49ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 19:37:08] [INFO ] Flatten gal took : 1 ms
[2025-06-02 19:37:08] [INFO ] Flatten gal took : 0 ms
[2025-06-02 19:37:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17634507063573816994.gal : 1 ms
[2025-06-02 19:37:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17497081081353638777.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/ReachabilityCardinality17634507063573816994.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17497081081353638777.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality17497081081353638777.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 57539
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :57539 after 2.55463e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.55463e+06 after 7.32027e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :7.32027e+08 after 2.19884e+09
Detected timeout of ITS tools.
[2025-06-02 19:37:23] [INFO ] Flatten gal took : 1 ms
[2025-06-02 19:37:23] [INFO ] Applying decomposition
[2025-06-02 19:37:23] [INFO ] Flatten gal took : 1 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/graph3335054919028362481.txt' '-o' '/tmp/graph3335054919028362481.bin' '-w' '/tmp/graph3335054919028362481.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3335054919028362481.bin' '-l' '-1' '-v' '-w' '/tmp/graph3335054919028362481.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:37:23] [INFO ] Decomposing Gal with order
[2025-06-02 19:37:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:37:23] [INFO ] Removed a total of 17 redundant transitions.
[2025-06-02 19:37:23] [INFO ] Flatten gal took : 2 ms
[2025-06-02 19:37:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 19:37:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14186789984319269686.gal : 0 ms
[2025-06-02 19:37:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2212872919249671806.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/ReachabilityCardinality14186789984319269686.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2212872919249671806.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/ReachabilityCardinality2212872919249671806.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 82817
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :82817 after 2.92916e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.92916e+06 after 5.63523e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.63523e+10 after 6.21562e+12
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30210 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[573] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-09 in 343304 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-13
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 19:37:39] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
// Phase 1: matrix 717 rows 436 cols
[2025-06-02 19:37:39] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2025-06-02 19:37:39] [INFO ] Flow matrix only has 717 transitions (discarded 537 similar events)
[2025-06-02 19:37:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:37:39] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 19:37:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 19:37:39] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
[2025-06-02 19:37:39] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-02 19:37:39] [INFO ] [Real]Added 85 Read/Feed constraints in 35 ms returned sat
[2025-06-02 19:37:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 19:37:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 19:37:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 19:37:39] [INFO ] [Nat]Absence check using state equation in 277 ms returned sat
[2025-06-02 19:37:39] [INFO ] [Nat]Added 85 Read/Feed constraints in 37 ms returned sat
[2025-06-02 19:37:40] [INFO ] Computed and/alt/rep : 340/2297/340 causal constraints (skipped 375 transitions) in 101 ms.
[2025-06-02 19:37:40] [INFO ] Added : 14 causal constraints over 3 iterations in 383 ms. Result :sat
Minimization took 506 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 436 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 436/436 places, 1254/1254 transitions.
Graph (complete) has 2153 edges and 436 vertex of which 433 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 433 transition count 1248
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 10 place count 430 transition count 1240
Iterating global reduction 1 with 3 rules applied. Total rules applied 13 place count 430 transition count 1240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 17 place count 430 transition count 1236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 20 place count 427 transition count 1230
Iterating global reduction 2 with 3 rules applied. Total rules applied 23 place count 427 transition count 1230
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 24 place count 426 transition count 1228
Iterating global reduction 2 with 1 rules applied. Total rules applied 25 place count 426 transition count 1228
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 26 place count 425 transition count 1226
Iterating global reduction 2 with 1 rules applied. Total rules applied 27 place count 425 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 28 place count 424 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 29 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 30 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 31 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 32 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 33 place count 422 transition count 1220
Applied a total of 33 rules in 133 ms. Remains 422 /436 variables (removed 14) and now considering 1220/1254 (removed 34) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 422/436 places, 1220/1254 transitions.
[2025-06-02 19:37:40] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 131 ms. (steps per millisecond=76 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2025-06-02 19:37:41] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2025-06-02 19:37:41] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 3968 ms. (251 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2025 ms. (493 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[137] Max Struct:[+inf]
[2025-06-02 19:37:47] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:37:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:37:47] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:37:47] [INFO ] [Real]Absence check using state equation in 265 ms returned sat
[2025-06-02 19:37:47] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:37:47] [INFO ] [Real]Added 75 Read/Feed constraints in 55 ms returned sat
[2025-06-02 19:37:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:37:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 19:37:48] [INFO ] [Nat]Absence check using state equation in 272 ms returned sat
[2025-06-02 19:37:48] [INFO ] [Nat]Added 75 Read/Feed constraints in 48 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:37:48] [INFO ] Deduced a trap composed of 70 places in 419 ms of which 43 ms to minimize.
[2025-06-02 19:37:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 481 ms
[2025-06-02 19:37:48] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 94 ms.
[2025-06-02 19:37:49] [INFO ] Added : 11 causal constraints over 3 iterations in 464 ms. Result :sat
Minimization took 379 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[137] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[137] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 70 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 62 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 19:37:49] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:37:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:37:50] [INFO ] Implicit Places using invariants in 641 ms returned []
[2025-06-02 19:37:50] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:37:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:37:50] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:37:52] [INFO ] Implicit Places using invariants and state equation in 2331 ms returned []
Implicit Place search using SMT with State Equation took 2978 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:37:52] [INFO ] Redundant transitions in 30 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 19:37:52] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:37:52] [INFO ] Invariant cache hit.
[2025-06-02 19:37:52] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (OVERLAPS) 689/1111 variables, 422/425 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1111 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1718 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30319 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62530ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62532ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65610 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 19:38:55] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 132 ms. (steps per millisecond=75 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[137] Max Struct:[+inf]
[2025-06-02 19:38:55] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:38:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[137] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3839 ms. (260 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2011 ms. (497 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[139] Max Struct:[+inf]
[2025-06-02 19:39:01] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:39:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:39:01] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:39:02] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
[2025-06-02 19:39:02] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:39:02] [INFO ] [Real]Added 75 Read/Feed constraints in 60 ms returned sat
[2025-06-02 19:39:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:39:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 19:39:02] [INFO ] [Nat]Absence check using state equation in 273 ms returned sat
[2025-06-02 19:39:02] [INFO ] [Nat]Added 75 Read/Feed constraints in 45 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:39:03] [INFO ] Deduced a trap composed of 70 places in 477 ms of which 44 ms to minimize.
[2025-06-02 19:39:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 530 ms
[2025-06-02 19:39:03] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 104 ms.
[2025-06-02 19:39:03] [INFO ] Added : 11 causal constraints over 3 iterations in 464 ms. Result :sat
Minimization took 368 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[139] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[139] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 64 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 67 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 19:39:04] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:39:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:39:04] [INFO ] Implicit Places using invariants in 637 ms returned []
[2025-06-02 19:39:04] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:39:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:39:05] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:39:06] [INFO ] Implicit Places using invariants and state equation in 2191 ms returned []
Implicit Place search using SMT with State Equation took 2829 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:39:06] [INFO ] Redundant transitions in 29 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 19:39:06] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:39:06] [INFO ] Invariant cache hit.
[2025-06-02 19:39:06] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
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(s351 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62271ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62273ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65207 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 19:40:09] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 221 ms. (steps per millisecond=45 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[139] Max Struct:[+inf]
[2025-06-02 19:40:09] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:40:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[139] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 4114 ms. (243 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2027 ms. (493 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[149] Max Struct:[+inf]
[2025-06-02 19:40:15] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:40:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:40:16] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:40:16] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-02 19:40:16] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:40:16] [INFO ] [Real]Added 75 Read/Feed constraints in 65 ms returned sat
[2025-06-02 19:40:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:40:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 19:40:17] [INFO ] [Nat]Absence check using state equation in 394 ms returned sat
[2025-06-02 19:40:17] [INFO ] [Nat]Added 75 Read/Feed constraints in 41 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:40:17] [INFO ] Deduced a trap composed of 70 places in 448 ms of which 43 ms to minimize.
[2025-06-02 19:40:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 518 ms
[2025-06-02 19:40:17] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 153 ms.
[2025-06-02 19:40:18] [INFO ] Added : 11 causal constraints over 3 iterations in 731 ms. Result :sat
Minimization took 535 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[149] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 104 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 103 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 19:40:19] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:40:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:40:19] [INFO ] Implicit Places using invariants in 828 ms returned []
[2025-06-02 19:40:19] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:40:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:40:20] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:40:22] [INFO ] Implicit Places using invariants and state equation in 2093 ms returned []
Implicit Place search using SMT with State Equation took 2921 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:40:22] [INFO ] Redundant transitions in 29 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 19:40:22] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:40:22] [INFO ] Invariant cache hit.
[2025-06-02 19:40:22] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s323 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s313 1)
(s314 1)
(s315 1)
(s316 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61929ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 61933ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64992 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 19:41:24] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 186 ms. (steps per millisecond=53 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[149] Max Struct:[+inf]
[2025-06-02 19:41:24] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:41:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[149] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4013 ms. (249 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2243 ms. (445 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[156] Max Struct:[+inf]
[2025-06-02 19:41:30] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:41:30] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 19:41:31] [INFO ] [Real]Absence check using state equation in 346 ms returned sat
[2025-06-02 19:41:31] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:41:31] [INFO ] [Real]Added 75 Read/Feed constraints in 83 ms returned sat
[2025-06-02 19:41:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:41:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 19:41:31] [INFO ] [Nat]Absence check using state equation in 397 ms returned sat
[2025-06-02 19:41:32] [INFO ] [Nat]Added 75 Read/Feed constraints in 70 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:41:32] [INFO ] Deduced a trap composed of 70 places in 520 ms of which 43 ms to minimize.
[2025-06-02 19:41:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 607 ms
[2025-06-02 19:41:32] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 159 ms.
[2025-06-02 19:41:33] [INFO ] Added : 11 causal constraints over 3 iterations in 750 ms. Result :sat
Minimization took 554 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[156] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[156] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 106 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 106 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 19:41:34] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:41:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:41:35] [INFO ] Implicit Places using invariants in 830 ms returned []
[2025-06-02 19:41:35] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:41:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:41:35] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:41:37] [INFO ] Implicit Places using invariants and state equation in 2067 ms returned []
Implicit Place search using SMT with State Equation took 2899 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:41:37] [INFO ] Redundant transitions in 28 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 19:41:37] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:41:37] [INFO ] Invariant cache hit.
[2025-06-02 19:41:37] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62886ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62888ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65930 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 19:42:40] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 225 ms. (steps per millisecond=44 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[156] Max Struct:[+inf]
[2025-06-02 19:42:40] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:42:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[156] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 4514 ms. (221 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2089 ms. (478 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[156] Max Struct:[+inf]
[2025-06-02 19:42:47] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:42:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:42:47] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 19:42:47] [INFO ] [Real]Absence check using state equation in 358 ms returned sat
[2025-06-02 19:42:47] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:42:47] [INFO ] [Real]Added 75 Read/Feed constraints in 74 ms returned sat
[2025-06-02 19:42:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 19:42:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 19:42:48] [INFO ] [Nat]Absence check using state equation in 359 ms returned sat
[2025-06-02 19:42:48] [INFO ] [Nat]Added 75 Read/Feed constraints in 52 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 19:42:49] [INFO ] Deduced a trap composed of 70 places in 459 ms of which 43 ms to minimize.
[2025-06-02 19:42:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 510 ms
[2025-06-02 19:42:49] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 91 ms.
[2025-06-02 19:42:49] [INFO ] Added : 11 causal constraints over 3 iterations in 436 ms. Result :sat
Minimization took 471 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[156] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[156] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 79 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 81 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 19:42:50] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:42:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:42:50] [INFO ] Implicit Places using invariants in 765 ms returned []
[2025-06-02 19:42:50] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:42:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:42:51] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:42:53] [INFO ] Implicit Places using invariants and state equation in 2447 ms returned []
Implicit Place search using SMT with State Equation took 3214 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:42:53] [INFO ] Redundant transitions in 28 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 19:42:53] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:42:53] [INFO ] Invariant cache hit.
[2025-06-02 19:42:53] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62007ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62010ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65340 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 19:43:55] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 125 ms. (steps per millisecond=80 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[156] Max Struct:[+inf]
[2025-06-02 19:43:56] [INFO ] Flatten gal took : 51 ms
RANDOM walk for 40005 steps (8 resets) in 309 ms. (129 steps per ms) remains 1/1 properties
[2025-06-02 19:43:56] [INFO ] Flatten gal took : 49 ms
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
[2025-06-02 19:43:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14692606745118200730.gal : 40 ms
[2025-06-02 19:43:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16557059652966291890.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/ReachabilityCardinality14692606745118200730.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16557059652966291890.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality16557059652966291890.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 315678 steps, run timeout after 3001 ms. (steps per millisecond=105 ) properties seen :0 out of 1
Probabilistic random walk after 315678 steps, saw 193581 distinct states, run finished after 3001 ms. (steps per millisecond=105 ) properties seen :0
[2025-06-02 19:43:59] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:43:59] [INFO ] Invariant cache hit.
[2025-06-02 19:43:59] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 494 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 543 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1055ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 495 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 61 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 422/422 places, 1220/1220 transitions.
RANDOM walk for 40000 steps (8 resets) in 211 ms. (188 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 355899 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 1
Probabilistic random walk after 355899 steps, saw 218241 distinct states, run finished after 3001 ms. (steps per millisecond=118 ) properties seen :0
[2025-06-02 19:44:03] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:44:03] [INFO ] Invariant cache hit.
[2025-06-02 19:44:03] [INFO ] State equation strengthened by 75 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 496 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 573 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1080ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 538 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 67 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 75 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 19:44:05] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:44:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:44:06] [INFO ] Implicit Places using invariants in 568 ms returned []
[2025-06-02 19:44:06] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:44:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 19:44:06] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 19:44:08] [INFO ] Implicit Places using invariants and state equation in 2082 ms returned []
Implicit Place search using SMT with State Equation took 2656 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 19:44:08] [INFO ] Redundant transitions in 28 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 19:44:08] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 19:44:08] [INFO ] Invariant cache hit.
[2025-06-02 19:44:08] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s163 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Detected timeout of ITS tools.
[2025-06-02 19:44:46] [INFO ] Flatten gal took : 28 ms
[2025-06-02 19:44:46] [INFO ] Applying decomposition
[2025-06-02 19:44:46] [INFO ] Flatten gal took : 28 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/graph15349629825829865332.txt' '-o' '/tmp/graph15349629825829865332.bin' '-w' '/tmp/graph15349629825829865332.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15349629825829865332.bin' '-l' '-1' '-v' '-w' '/tmp/graph15349629825829865332.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:44:46] [INFO ] Decomposing Gal with order
[2025-06-02 19:44:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:44:46] [INFO ] Removed a total of 2082 redundant transitions.
[2025-06-02 19:44:46] [INFO ] Flatten gal took : 61 ms
[2025-06-02 19:44:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 830 labels/synchronizations in 40 ms.
[2025-06-02 19:44:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9879016888529723339.gal : 9 ms
[2025-06-02 19:44:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14090663023318634992.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/ReachabilityCardinality9879016888529723339.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14090663023318634992.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/ReachabilityCardinality14090663023318634992.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (OVERLAPS) 689/1111 variables, 422/425 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1111 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1111 variables, 1218/1718 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1718 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62295ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62299ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65079 ms. Remains : 422/422 places, 1220/1220 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 531 transitions
Reduce isomorphic transitions removed 531 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 541 rules applied. Total rules applied 541 place count 422 transition count 679
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 551 place count 412 transition count 679
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 551 place count 412 transition count 606
Deduced a syphon composed of 73 places in 1 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 697 place count 339 transition count 606
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 951 place count 212 transition count 479
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1015 place count 148 transition count 351
Iterating global reduction 2 with 64 rules applied. Total rules applied 1079 place count 148 transition count 351
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1080 place count 148 transition count 350
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1143 place count 85 transition count 224
Iterating global reduction 3 with 63 rules applied. Total rules applied 1206 place count 85 transition count 224
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1269 place count 22 transition count 98
Iterating global reduction 3 with 63 rules applied. Total rules applied 1332 place count 22 transition count 98
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1395 place count 22 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1395 place count 22 transition count 34
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1397 place count 21 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1399 place count 20 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 19 transition count 33
Applied a total of 1401 rules in 63 ms. Remains 19 /422 variables (removed 403) and now considering 33/1220 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 19 cols
[2025-06-02 19:45:10] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 19:45:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 19:45:10] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 19:45:10] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 19:45:10] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 19:45:10] [INFO ] After 39ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 19:45:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 19:45:10] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 19:45:10] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 19:45:10] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 19:45:10] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 19:45:10] [INFO ] Flatten gal took : 1 ms
[2025-06-02 19:45:10] [INFO ] Flatten gal took : 1 ms
[2025-06-02 19:45:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5764302517285034901.gal : 1 ms
[2025-06-02 19:45:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6472863665191164808.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/ReachabilityCardinality5764302517285034901.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6472863665191164808.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 ...328
Loading property file /tmp/ReachabilityCardinality6472863665191164808.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 188231
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :188231 after 9.48316e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.48316e+07 after 2.78362e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.78362e+08 after 6.45066e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.45066e+08 after 1.37812e+09
Detected timeout of ITS tools.
[2025-06-02 19:45:25] [INFO ] Flatten gal took : 2 ms
[2025-06-02 19:45:25] [INFO ] Applying decomposition
[2025-06-02 19:45:25] [INFO ] Flatten gal took : 8 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/graph16186732199514169563.txt' '-o' '/tmp/graph16186732199514169563.bin' '-w' '/tmp/graph16186732199514169563.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16186732199514169563.bin' '-l' '-1' '-v' '-w' '/tmp/graph16186732199514169563.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:45:25] [INFO ] Decomposing Gal with order
[2025-06-02 19:45:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:45:25] [INFO ] Removed a total of 36 redundant transitions.
[2025-06-02 19:45:25] [INFO ] Flatten gal took : 2 ms
[2025-06-02 19:45:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2025-06-02 19:45:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14792677906604860436.gal : 1 ms
[2025-06-02 19:45:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17244682046695751704.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/ReachabilityCardinality14792677906604860436.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17244682046695751704.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 ...309
Loading property file /tmp/ReachabilityCardinality17244682046695751704.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30233 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[156] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-13 in 481840 ms.
[2025-06-02 19:45:40] [INFO ] Flatten gal took : 27 ms
[2025-06-02 19:45:40] [INFO ] Applying decomposition
[2025-06-02 19:45:40] [INFO ] Flatten gal took : 28 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/graph1340842318497267802.txt' '-o' '/tmp/graph1340842318497267802.bin' '-w' '/tmp/graph1340842318497267802.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1340842318497267802.bin' '-l' '-1' '-v' '-w' '/tmp/graph1340842318497267802.weights' '-q' '0' '-e' '0.001'
[2025-06-02 19:45:41] [INFO ] Decomposing Gal with order
[2025-06-02 19:45:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 19:45:41] [INFO ] Removed a total of 2143 redundant transitions.
[2025-06-02 19:45:41] [INFO ] Flatten gal took : 66 ms
[2025-06-02 19:45:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 883 labels/synchronizations in 28 ms.
[2025-06-02 19:45:41] [INFO ] Time to serialize gal into /tmp/UpperBounds13249904379499888784.gal : 6 ms
[2025-06-02 19:45:41] [INFO ] Time to serialize properties into /tmp/UpperBounds4244679172814096649.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/UpperBounds13249904379499888784.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4244679172814096649.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 ...284
Loading property file /tmp/UpperBounds4244679172814096649.prop.

BK_TIME_CONFINEMENT_REACHED

--------------------
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="FunctionPointer-PT-c128"
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 FunctionPointer-PT-c128, 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 r100-smll-174867007500165"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c128.tgz
mv FunctionPointer-PT-c128 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 ;