About the Execution of ITS-Tools for FunctionPointer-PT-c032
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | 32 ? 0 0 0 ? 32 ? 0 ? ? ? 0 ? 32 ? | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007400149.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-c032, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007400149
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.7M
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 31K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K 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-c032-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c032-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748870623867
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-c032
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-02 13:23:46] [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 13:23:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 13:23:47] [INFO ] Load time of PNML (sax parser for PT used): 952 ms
[2025-06-02 13:23:47] [INFO ] Transformed 2826 places.
[2025-06-02 13:23:47] [INFO ] Transformed 8960 transitions.
[2025-06-02 13:23:47] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1222 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Deduced a syphon composed of 1198 places in 66 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c032-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c032-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c032-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c032-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c032-UpperBounds-12 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 13:23:48] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2025-06-02 13:23:48] [INFO ] Computed 4 invariants in 218 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[32, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf, 32, +inf]
RANDOM walk for 10002 steps (2 resets) in 393 ms. (25 steps per ms)
BEST_FIRST walk for 110010 steps (37 resets) in 606 ms. (181 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31, 0, 0, 1, 0, 0, 0, 1, 2, 31, 1] Max Struct:[32, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf, 32, +inf]
[2025-06-02 13:23:49] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2025-06-02 13:23:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:23:50] [INFO ] [Real]Absence check using 3 positive place invariants in 45 ms returned sat
[2025-06-02 13:23:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 13:23:52] [INFO ] [Real]Absence check using state equation in 1885 ms returned sat
[2025-06-02 13:23:52] [INFO ] State equation strengthened by 479 read => feed constraints.
[2025-06-02 13:23:53] [INFO ] [Real]Added 479 Read/Feed constraints in 326 ms returned sat
[2025-06-02 13:23:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:23:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 26 ms returned sat
[2025-06-02 13:23:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:23:55] [INFO ] [Nat]Absence check using state equation in 1616 ms returned sat
[2025-06-02 13:23:55] [INFO ] [Nat]Added 479 Read/Feed constraints in 304 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:23:59] [INFO ] Deduced a trap composed of 131 places in 3304 ms of which 79 ms to minimize.
[2025-06-02 13:23:59] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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 13:24:00] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-02 13:24:00] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 13:24:01] [INFO ] [Real]Absence check using state equation in 1727 ms returned sat
[2025-06-02 13:24:02] [INFO ] [Real]Added 479 Read/Feed constraints in 370 ms returned sat
[2025-06-02 13:24:02] [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 13:24:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 35 ms returned sat
[2025-06-02 13:24:03] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:04] [INFO ] [Nat]Absence check using state equation in 1619 ms returned sat
[2025-06-02 13:24:04] [INFO ] [Nat]Added 479 Read/Feed constraints in 204 ms returned sat
[2025-06-02 13:24:06] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1528 ms.
[2025-06-02 13:24:07] [INFO ] Added : 1 causal constraints over 1 iterations in 2434 ms. Result :sat
Minimization took 58 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:24:08] [INFO ] [Real]Absence check using 3 positive place invariants in 33 ms returned sat
[2025-06-02 13:24:08] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:09] [INFO ] [Real]Absence check using state equation in 1642 ms returned sat
[2025-06-02 13:24:10] [INFO ] [Real]Added 479 Read/Feed constraints in 375 ms returned sat
[2025-06-02 13:24:10] [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 13:24:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 35 ms returned sat
[2025-06-02 13:24:10] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:12] [INFO ] [Nat]Absence check using state equation in 1549 ms returned sat
[2025-06-02 13:24:12] [INFO ] [Nat]Added 479 Read/Feed constraints in 255 ms returned sat
[2025-06-02 13:24:14] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1612 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:24:18] [INFO ] Deduced a trap composed of 133 places in 3773 ms of which 517 ms to minimize.
[2025-06-02 13:24:18] [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 2
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 13:24:19] [INFO ] [Real]Absence check using 3 positive place invariants in 30 ms returned sat
[2025-06-02 13:24:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 13:24:20] [INFO ] [Real]Absence check using state equation in 1366 ms returned sat
[2025-06-02 13:24:20] [INFO ] [Real]Added 479 Read/Feed constraints in 199 ms returned sat
[2025-06-02 13:24:21] [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 13:24:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-02 13:24:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:23] [INFO ] [Nat]Absence check using state equation in 1637 ms returned sat
[2025-06-02 13:24:23] [INFO ] [Nat]Added 479 Read/Feed constraints in 586 ms returned sat
[2025-06-02 13:24:25] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1116 ms.
[2025-06-02 13:24:26] [INFO ] Added : 1 causal constraints over 1 iterations in 2121 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:24:26] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-02 13:24:26] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:27] [INFO ] [Real]Absence check using state equation in 1163 ms returned sat
[2025-06-02 13:24:28] [INFO ] [Real]Added 479 Read/Feed constraints in 251 ms returned sat
[2025-06-02 13:24:28] [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 13:24:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-02 13:24:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:30] [INFO ] [Nat]Absence check using state equation in 1634 ms returned sat
[2025-06-02 13:24:30] [INFO ] [Nat]Added 479 Read/Feed constraints in 206 ms returned sat
[2025-06-02 13:24:31] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1114 ms.
[2025-06-02 13:24:32] [INFO ] Added : 1 causal constraints over 1 iterations in 2027 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:24:33] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-02 13:24:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:35] [INFO ] [Real]Absence check using state equation in 1441 ms returned sat
[2025-06-02 13:24:35] [INFO ] [Real]Added 479 Read/Feed constraints in 305 ms returned sat
[2025-06-02 13:24:35] [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 13:24:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-02 13:24:36] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:37] [INFO ] [Nat]Absence check using state equation in 1558 ms returned sat
[2025-06-02 13:24:37] [INFO ] [Nat]Added 479 Read/Feed constraints in 353 ms returned sat
[2025-06-02 13:24:39] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1053 ms.
[2025-06-02 13:24:40] [INFO ] Added : 2 causal constraints over 1 iterations in 1989 ms. Result :sat
Minimization took 617 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:24:41] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-02 13:24:41] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 13:24:42] [INFO ] [Real]Absence check using state equation in 1210 ms returned sat
[2025-06-02 13:24:42] [INFO ] [Real]Added 479 Read/Feed constraints in 213 ms returned sat
[2025-06-02 13:24:42] [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 13:24:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 33 ms returned sat
[2025-06-02 13:24:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:44] [INFO ] [Nat]Absence check using state equation in 1463 ms returned sat
[2025-06-02 13:24:44] [INFO ] [Nat]Added 479 Read/Feed constraints in 247 ms returned sat
[2025-06-02 13:24:46] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 975 ms.
[2025-06-02 13:24:46] [INFO ] Added : 1 causal constraints over 1 iterations in 1650 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:24:47] [INFO ] [Real]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-02 13:24:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:49] [INFO ] [Real]Absence check using state equation in 1477 ms returned sat
[2025-06-02 13:24:49] [INFO ] [Real]Added 479 Read/Feed constraints in 456 ms returned sat
[2025-06-02 13:24:50] [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 13:24:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-02 13:24:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 10 ms returned sat
[2025-06-02 13:24:52] [INFO ] [Nat]Absence check using state equation in 1628 ms returned sat
[2025-06-02 13:24:52] [INFO ] [Nat]Added 479 Read/Feed constraints in 271 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:24:55] [INFO ] Deduced a trap composed of 133 places in 3072 ms of which 372 ms to minimize.
[2025-06-02 13:24:55] [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.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 13:24:56] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-02 13:24:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:24:57] [INFO ] [Real]Absence check using state equation in 1513 ms returned sat
[2025-06-02 13:24:58] [INFO ] [Real]Added 479 Read/Feed constraints in 387 ms returned sat
[2025-06-02 13:24:58] [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 13:24:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 33 ms returned sat
[2025-06-02 13:24:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:25:00] [INFO ] [Nat]Absence check using state equation in 1443 ms returned sat
[2025-06-02 13:25:00] [INFO ] [Nat]Added 479 Read/Feed constraints in 227 ms returned sat
[2025-06-02 13:25:01] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1125 ms.
[2025-06-02 13:25:02] [INFO ] Added : 2 causal constraints over 1 iterations in 2062 ms. Result :sat
Minimization took 609 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:25:03] [INFO ] [Real]Absence check using 3 positive place invariants in 29 ms returned sat
[2025-06-02 13:25:03] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:25:05] [INFO ] [Real]Absence check using state equation in 1468 ms returned sat
[2025-06-02 13:25:05] [INFO ] [Real]Added 479 Read/Feed constraints in 167 ms returned sat
[2025-06-02 13:25:05] [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 13:25:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-02 13:25:05] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:25:07] [INFO ] [Nat]Absence check using state equation in 1238 ms returned sat
[2025-06-02 13:25:07] [INFO ] [Nat]Added 479 Read/Feed constraints in 157 ms returned sat
[2025-06-02 13:25:08] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 771 ms.
[2025-06-02 13:25:08] [INFO ] Added : 0 causal constraints over 0 iterations in 1064 ms. Result :sat
Minimization took 582 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:25:09] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-02 13:25:09] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:25:10] [INFO ] [Real]Absence check using state equation in 1403 ms returned sat
[2025-06-02 13:25:11] [INFO ] [Real]Added 479 Read/Feed constraints in 177 ms returned sat
[2025-06-02 13:25:11] [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 13:25:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 13:25:11] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 13:25:12] [INFO ] [Nat]Absence check using state equation in 1252 ms returned sat
[2025-06-02 13:25:12] [INFO ] [Nat]Added 479 Read/Feed constraints in 164 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:25:15] [INFO ] Deduced a trap composed of 133 places in 2942 ms of which 450 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:25:19] [INFO ] Deduced a trap composed of 133 places in 3041 ms of which 308 ms to minimize.
[2025-06-02 13:25:19] [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 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[31, 0, 0, 1, 0, 0, 0, 1, 2, 31, 1] Max Struct:[32, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf, 32, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31, 0, 0, 1, 0, 0, 0, 1, 2, 31, 1] Max Struct:[32, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf, 32, +inf]
Support contains 11 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.19 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 379 transitions
Reduce isomorphic transitions removed 379 transitions.
Iterating post reduction 0 with 379 rules applied. Total rules applied 380 place count 1422 transition count 5583
Discarding 299 places :
Symmetric choice reduction at 1 with 299 rule applications. Total rules 679 place count 1123 transition count 3291
Iterating global reduction 1 with 299 rules applied. Total rules applied 978 place count 1123 transition count 3291
Ensure Unique test removed 348 transitions
Reduce isomorphic transitions removed 348 transitions.
Iterating post reduction 1 with 348 rules applied. Total rules applied 1326 place count 1123 transition count 2943
Discarding 153 places :
Symmetric choice reduction at 2 with 153 rule applications. Total rules 1479 place count 970 transition count 2637
Iterating global reduction 2 with 153 rules applied. Total rules applied 1632 place count 970 transition count 2637
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Iterating post reduction 2 with 60 rules applied. Total rules applied 1692 place count 970 transition count 2577
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1706 place count 956 transition count 2549
Iterating global reduction 3 with 14 rules applied. Total rules applied 1720 place count 956 transition count 2549
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1734 place count 942 transition count 2521
Iterating global reduction 3 with 14 rules applied. Total rules applied 1748 place count 942 transition count 2521
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1762 place count 928 transition count 2493
Iterating global reduction 3 with 14 rules applied. Total rules applied 1776 place count 928 transition count 2493
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1790 place count 914 transition count 2465
Iterating global reduction 3 with 14 rules applied. Total rules applied 1804 place count 914 transition count 2465
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1818 place count 900 transition count 2437
Iterating global reduction 3 with 14 rules applied. Total rules applied 1832 place count 900 transition count 2437
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1844 place count 888 transition count 2413
Iterating global reduction 3 with 12 rules applied. Total rules applied 1856 place count 888 transition count 2413
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1868 place count 876 transition count 2389
Iterating global reduction 3 with 12 rules applied. Total rules applied 1880 place count 876 transition count 2389
Discarding 45 places :
Symmetric choice reduction at 3 with 45 rule applications. Total rules 1925 place count 831 transition count 2223
Iterating global reduction 3 with 45 rules applied. Total rules applied 1970 place count 831 transition count 2223
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 2028 place count 773 transition count 1991
Iterating global reduction 3 with 58 rules applied. Total rules applied 2086 place count 773 transition count 1991
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 2144 place count 715 transition count 1835
Iterating global reduction 3 with 58 rules applied. Total rules applied 2202 place count 715 transition count 1835
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 2260 place count 657 transition count 1719
Iterating global reduction 3 with 58 rules applied. Total rules applied 2318 place count 657 transition count 1719
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2375 place count 600 transition count 1605
Iterating global reduction 3 with 57 rules applied. Total rules applied 2432 place count 600 transition count 1605
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2489 place count 543 transition count 1491
Iterating global reduction 3 with 57 rules applied. Total rules applied 2546 place count 543 transition count 1491
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2602 place count 487 transition count 1379
Iterating global reduction 3 with 56 rules applied. Total rules applied 2658 place count 487 transition count 1379
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 2678 place count 467 transition count 1339
Iterating global reduction 3 with 20 rules applied. Total rules applied 2698 place count 467 transition count 1339
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 2710 place count 467 transition count 1327
Applied a total of 2710 rules in 1796 ms. Remains 467 /1628 variables (removed 1161) and now considering 1327/5962 (removed 4635) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1808 ms. Remains : 467/1628 places, 1327/5962 transitions.
[2025-06-02 13:25:21] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {230=1, 365=1, 569=1, 748=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 591=1, 750=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 325 ms. (steps per millisecond=30 ) properties (out of 11) seen :[1, 2, 2, 1, 3, 1, 0, 1, 1, 1, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[31, 2, 2, 1, 3, 1, 0, 1, 2, 31, 1] Max Struct:[32, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf, 32, +inf]
[2025-06-02 13:25:21] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 13:25:21] [INFO ] Computed 3 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[31, 2, 2, 1, 3, 1, 0, 1, 2, 31, 1] Max Struct:[32, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf, 32, +inf]
RANDOM walk for 1000003 steps (2 resets) in 4407 ms. (226 steps per ms)
BEST_FIRST walk for 11000009 steps (22 resets) in 13772 ms. (798 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31, 58, 83, 2, 118, 115, 104, 11, 94, 31, 92] Max Struct:[32, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf, 32, +inf]
[2025-06-02 13:25:39] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:25:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:25:40] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:25:40] [INFO ] [Real]Absence check using state equation in 272 ms returned sat
[2025-06-02 13:25:40] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:25:40] [INFO ] [Real]Added 94 Read/Feed constraints in 81 ms returned sat
[2025-06-02 13:25:40] [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 13:25:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2025-06-02 13:25:41] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2025-06-02 13:25:41] [INFO ] [Nat]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:25:41] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 109 ms.
[2025-06-02 13:25:41] [INFO ] Added : 1 causal constraints over 1 iterations in 219 ms. Result :sat
Minimization took 581 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:25:42] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:42] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2025-06-02 13:25:42] [INFO ] [Real]Added 94 Read/Feed constraints in 66 ms returned sat
[2025-06-02 13:25:42] [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 13:25:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:43] [INFO ] [Nat]Absence check using state equation in 413 ms returned sat
[2025-06-02 13:25:43] [INFO ] [Nat]Added 94 Read/Feed constraints in 104 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:25:44] [INFO ] Deduced a trap composed of 76 places in 745 ms of which 64 ms to minimize.
[2025-06-02 13:25:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 855 ms
[2025-06-02 13:25:44] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 160 ms.
[2025-06-02 13:25:44] [INFO ] Added : 7 causal constraints over 4 iterations in 528 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:25:45] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:46] [INFO ] [Real]Absence check using state equation in 441 ms returned sat
[2025-06-02 13:25:46] [INFO ] [Real]Added 94 Read/Feed constraints in 83 ms returned sat
[2025-06-02 13:25:46] [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 13:25:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:25:46] [INFO ] [Nat]Absence check using state equation in 422 ms returned sat
[2025-06-02 13:25:46] [INFO ] [Nat]Added 94 Read/Feed constraints in 74 ms returned sat
[2025-06-02 13:25:47] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 175 ms.
[2025-06-02 13:25:47] [INFO ] Added : 9 causal constraints over 3 iterations in 499 ms. Result :sat
Minimization took 566 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:25:48] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:48] [INFO ] [Real]Absence check using state equation in 427 ms returned sat
[2025-06-02 13:25:48] [INFO ] [Real]Added 94 Read/Feed constraints in 77 ms returned sat
[2025-06-02 13:25:48] [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 13:25:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2025-06-02 13:25:49] [INFO ] [Nat]Absence check using state equation in 436 ms returned sat
[2025-06-02 13:25:49] [INFO ] [Nat]Added 94 Read/Feed constraints in 96 ms returned sat
[2025-06-02 13:25:49] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 177 ms.
[2025-06-02 13:25:49] [INFO ] Added : 1 causal constraints over 1 iterations in 359 ms. Result :sat
Minimization took 566 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:25:50] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:50] [INFO ] [Real]Absence check using state equation in 418 ms returned sat
[2025-06-02 13:25:51] [INFO ] [Real]Added 94 Read/Feed constraints in 49 ms returned sat
[2025-06-02 13:25:51] [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 13:25:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:25:51] [INFO ] [Nat]Absence check using state equation in 279 ms returned sat
[2025-06-02 13:25:51] [INFO ] [Nat]Added 94 Read/Feed constraints in 68 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:25:52] [INFO ] Deduced a trap composed of 76 places in 748 ms of which 93 ms to minimize.
[2025-06-02 13:25:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 894 ms
[2025-06-02 13:25:52] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 152 ms.
[2025-06-02 13:25:52] [INFO ] Added : 1 causal constraints over 1 iterations in 307 ms. Result :sat
Minimization took 498 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:25:53] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:53] [INFO ] [Real]Absence check using state equation in 433 ms returned sat
[2025-06-02 13:25:53] [INFO ] [Real]Added 94 Read/Feed constraints in 93 ms returned sat
[2025-06-02 13:25:54] [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 13:25:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:25:54] [INFO ] [Nat]Absence check using state equation in 396 ms returned sat
[2025-06-02 13:25:54] [INFO ] [Nat]Added 94 Read/Feed constraints in 84 ms returned sat
[2025-06-02 13:25:54] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 158 ms.
[2025-06-02 13:25:55] [INFO ] Added : 11 causal constraints over 4 iterations in 524 ms. Result :sat
Minimization took 546 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:25:55] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:56] [INFO ] [Real]Absence check using state equation in 426 ms returned sat
[2025-06-02 13:25:56] [INFO ] [Real]Added 94 Read/Feed constraints in 89 ms returned sat
[2025-06-02 13:25:56] [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 13:25:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:57] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-02 13:25:57] [INFO ] [Nat]Added 94 Read/Feed constraints in 86 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:25:57] [INFO ] Deduced a trap composed of 76 places in 704 ms of which 87 ms to minimize.
[2025-06-02 13:25:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 803 ms
[2025-06-02 13:25:58] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 146 ms.
[2025-06-02 13:25:58] [INFO ] Added : 1 causal constraints over 1 iterations in 299 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:25:58] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:25:59] [INFO ] [Real]Absence check using state equation in 437 ms returned sat
[2025-06-02 13:25:59] [INFO ] [Real]Added 94 Read/Feed constraints in 55 ms returned sat
[2025-06-02 13:25:59] [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 13:25:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:00] [INFO ] [Nat]Absence check using state equation in 411 ms returned sat
[2025-06-02 13:26:00] [INFO ] [Nat]Added 94 Read/Feed constraints in 148 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:26:01] [INFO ] Deduced a trap composed of 76 places in 699 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:26:01] [INFO ] Deduced a trap composed of 76 places in 471 ms of which 36 ms to minimize.
[2025-06-02 13:26:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1272 ms
[2025-06-02 13:26:01] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 101 ms.
[2025-06-02 13:26:01] [INFO ] Added : 2 causal constraints over 1 iterations in 204 ms. Result :sat
Minimization took 552 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:02] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:26:02] [INFO ] [Real]Absence check using state equation in 404 ms returned sat
[2025-06-02 13:26:03] [INFO ] [Real]Added 94 Read/Feed constraints in 82 ms returned sat
[2025-06-02 13:26:03] [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 13:26:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:03] [INFO ] [Nat]Absence check using state equation in 416 ms returned sat
[2025-06-02 13:26:03] [INFO ] [Nat]Added 94 Read/Feed constraints in 88 ms returned sat
[2025-06-02 13:26:03] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 186 ms.
[2025-06-02 13:26:04] [INFO ] Added : 12 causal constraints over 4 iterations in 629 ms. Result :sat
Minimization took 571 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:05] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:26:05] [INFO ] [Real]Absence check using state equation in 272 ms returned sat
[2025-06-02 13:26:05] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:26:05] [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 13:26:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:26:05] [INFO ] [Nat]Absence check using state equation in 309 ms returned sat
[2025-06-02 13:26:05] [INFO ] [Nat]Added 94 Read/Feed constraints in 50 ms returned sat
[2025-06-02 13:26:06] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 105 ms.
[2025-06-02 13:26:06] [INFO ] Added : 0 causal constraints over 0 iterations in 174 ms. Result :sat
Minimization took 356 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:06] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:26:06] [INFO ] [Real]Absence check using state equation in 317 ms returned sat
[2025-06-02 13:26:07] [INFO ] [Real]Added 94 Read/Feed constraints in 59 ms returned sat
[2025-06-02 13:26:07] [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 13:26:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 13:26:07] [INFO ] [Nat]Absence check using state equation in 335 ms returned sat
[2025-06-02 13:26:07] [INFO ] [Nat]Added 94 Read/Feed constraints in 80 ms returned sat
[2025-06-02 13:26:07] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 138 ms.
[2025-06-02 13:26:07] [INFO ] Added : 3 causal constraints over 1 iterations in 298 ms. Result :sat
Minimization took 520 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31, 58, 83, 2, 118, 115, 104, 11, 94, 31, 92] Max Struct:[32, +inf, +inf, 32, +inf, +inf, +inf, +inf, +inf, 32, +inf]
FORMULA FunctionPointer-PT-c032-UpperBounds-14 32 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FunctionPointer-PT-c032-UpperBounds-06 32 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31, 58, 83, 118, 115, 104, 11, 94, 92] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 115 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 467/467 places, 1327/1327 transitions.
[2025-06-02 13:26:09] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {230=1, 365=1, 569=1, 748=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 387=1, 591=1, 750=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 280 ms. (steps per millisecond=35 ) properties (out of 9) seen :[1, 3, 1, 3, 4, 0, 0, 4, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[31, 58, 83, 118, 115, 104, 11, 94, 92] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:26:10] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:26:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[31, 58, 83, 118, 115, 104, 11, 94, 92] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 4400 ms. (227 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 11486 ms. (783 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31, 58, 84, 118, 127, 104, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:26:26] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:26:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:26] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:26:26] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2025-06-02 13:26:26] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:26:26] [INFO ] [Real]Added 94 Read/Feed constraints in 51 ms returned sat
[2025-06-02 13:26:26] [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 13:26:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:26:26] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-02 13:26:27] [INFO ] [Nat]Added 94 Read/Feed constraints in 63 ms returned sat
[2025-06-02 13:26:27] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 107 ms.
[2025-06-02 13:26:27] [INFO ] Added : 1 causal constraints over 1 iterations in 212 ms. Result :sat
Minimization took 457 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:27] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:26:28] [INFO ] [Real]Absence check using state equation in 404 ms returned sat
[2025-06-02 13:26:28] [INFO ] [Real]Added 94 Read/Feed constraints in 64 ms returned sat
[2025-06-02 13:26:28] [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 13:26:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:28] [INFO ] [Nat]Absence check using state equation in 397 ms returned sat
[2025-06-02 13:26:29] [INFO ] [Nat]Added 94 Read/Feed constraints in 68 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:26:29] [INFO ] Deduced a trap composed of 76 places in 593 ms of which 100 ms to minimize.
[2025-06-02 13:26:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 696 ms
[2025-06-02 13:26:29] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 171 ms.
[2025-06-02 13:26:30] [INFO ] Added : 7 causal constraints over 4 iterations in 559 ms. Result :sat
Minimization took 549 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:31] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:31] [INFO ] [Real]Absence check using state equation in 435 ms returned sat
[2025-06-02 13:26:31] [INFO ] [Real]Added 94 Read/Feed constraints in 50 ms returned sat
[2025-06-02 13:26:31] [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 13:26:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:26:31] [INFO ] [Nat]Absence check using state equation in 283 ms returned sat
[2025-06-02 13:26:32] [INFO ] [Nat]Added 94 Read/Feed constraints in 68 ms returned sat
[2025-06-02 13:26:32] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 170 ms.
[2025-06-02 13:26:32] [INFO ] Added : 9 causal constraints over 3 iterations in 488 ms. Result :sat
Minimization took 545 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:33] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:33] [INFO ] [Real]Absence check using state equation in 409 ms returned sat
[2025-06-02 13:26:33] [INFO ] [Real]Added 94 Read/Feed constraints in 74 ms returned sat
[2025-06-02 13:26:33] [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 13:26:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:34] [INFO ] [Nat]Absence check using state equation in 389 ms returned sat
[2025-06-02 13:26:34] [INFO ] [Nat]Added 94 Read/Feed constraints in 83 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:26:35] [INFO ] Deduced a trap composed of 76 places in 686 ms of which 86 ms to minimize.
[2025-06-02 13:26:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 820 ms
[2025-06-02 13:26:35] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 151 ms.
[2025-06-02 13:26:35] [INFO ] Added : 1 causal constraints over 1 iterations in 334 ms. Result :sat
Minimization took 524 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:36] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:36] [INFO ] [Real]Absence check using state equation in 424 ms returned sat
[2025-06-02 13:26:36] [INFO ] [Real]Added 94 Read/Feed constraints in 95 ms returned sat
[2025-06-02 13:26:36] [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 13:26:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:37] [INFO ] [Nat]Absence check using state equation in 415 ms returned sat
[2025-06-02 13:26:37] [INFO ] [Nat]Added 94 Read/Feed constraints in 77 ms returned sat
[2025-06-02 13:26:37] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 156 ms.
[2025-06-02 13:26:38] [INFO ] Added : 11 causal constraints over 4 iterations in 517 ms. Result :sat
Minimization took 547 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:38] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:39] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2025-06-02 13:26:39] [INFO ] [Real]Added 94 Read/Feed constraints in 89 ms returned sat
[2025-06-02 13:26:39] [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 13:26:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:26:40] [INFO ] [Nat]Absence check using state equation in 374 ms returned sat
[2025-06-02 13:26:40] [INFO ] [Nat]Added 94 Read/Feed constraints in 89 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:26:40] [INFO ] Deduced a trap composed of 76 places in 761 ms of which 93 ms to minimize.
[2025-06-02 13:26:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 863 ms
[2025-06-02 13:26:41] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 150 ms.
[2025-06-02 13:26:41] [INFO ] Added : 1 causal constraints over 1 iterations in 299 ms. Result :sat
Minimization took 508 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:41] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:26:42] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-02 13:26:42] [INFO ] [Real]Added 94 Read/Feed constraints in 52 ms returned sat
[2025-06-02 13:26:42] [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 13:26:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:26:43] [INFO ] [Nat]Absence check using state equation in 380 ms returned sat
[2025-06-02 13:26:43] [INFO ] [Nat]Added 94 Read/Feed constraints in 134 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:26:43] [INFO ] Deduced a trap composed of 76 places in 681 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:26:44] [INFO ] Deduced a trap composed of 76 places in 666 ms of which 34 ms to minimize.
[2025-06-02 13:26:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1467 ms
[2025-06-02 13:26:44] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 99 ms.
[2025-06-02 13:26:44] [INFO ] Added : 2 causal constraints over 1 iterations in 201 ms. Result :sat
Minimization took 589 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:45] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:26:46] [INFO ] [Real]Absence check using state equation in 401 ms returned sat
[2025-06-02 13:26:46] [INFO ] [Real]Added 94 Read/Feed constraints in 85 ms returned sat
[2025-06-02 13:26:46] [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 13:26:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:26:46] [INFO ] [Nat]Absence check using state equation in 410 ms returned sat
[2025-06-02 13:26:46] [INFO ] [Nat]Added 94 Read/Feed constraints in 83 ms returned sat
[2025-06-02 13:26:47] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 170 ms.
[2025-06-02 13:26:47] [INFO ] Added : 12 causal constraints over 4 iterations in 608 ms. Result :sat
Minimization took 530 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:26:48] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:26:48] [INFO ] [Real]Absence check using state equation in 267 ms returned sat
[2025-06-02 13:26:48] [INFO ] [Real]Added 94 Read/Feed constraints in 43 ms returned sat
[2025-06-02 13:26:48] [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 13:26:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2025-06-02 13:26:49] [INFO ] [Nat]Absence check using state equation in 434 ms returned sat
[2025-06-02 13:26:49] [INFO ] [Nat]Added 94 Read/Feed constraints in 100 ms returned sat
[2025-06-02 13:26:49] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 178 ms.
[2025-06-02 13:26:49] [INFO ] Added : 3 causal constraints over 1 iterations in 371 ms. Result :sat
Minimization took 489 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31, 58, 84, 118, 127, 104, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31, 58, 84, 118, 127, 104, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 100 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101 ms. Remains : 467/467 places, 1327/1327 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 99 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2025-06-02 13:26:50] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:26:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:26:51] [INFO ] Implicit Places using invariants in 803 ms returned []
[2025-06-02 13:26:51] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:26:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:26:52] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:26:54] [INFO ] Implicit Places using invariants and state equation in 3230 ms returned []
Implicit Place search using SMT with State Equation took 4036 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:26:54] [INFO ] Redundant transitions in 124 ms returned []
Running 1325 sub problems to find dead transitions.
[2025-06-02 13:26:54] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:26:54] [INFO ] Invariant cache hit.
[2025-06-02 13:26:55] [INFO ] State equation strengthened by 94 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:27:24] [INFO ] Deduced a trap composed of 131 places in 333 ms of which 11 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
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(s10 0.0)
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(s19 1.0)
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(s54 0.0)
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(s56 1.0)
(s57 1.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 0.0)
(s66 1.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
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(s73 0.0)
(s74 0.0)
(s75 0.0)
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(s77 1.0)
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(s247 0.0)
(s248 0.0)
(s249 0.0)
(s250 0.0)
(s251 0.0)
(s252 0.0)
(s253 0.0)
(s254 0.0)
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(s269 0.0)
(s270 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30102 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 0/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63083ms problems are : Problem set: 0 solved, 1325 unsolved
Search for dead transitions found 0 dead transitions in 63116ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67405 ms. Remains : 467/467 places, 1327/1327 transitions.
[2025-06-02 13:27:58] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {230=1, 365=1, 569=1, 748=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 8 ms.
This minimized invariant on transitions {252=1, 387=1, 591=1, 750=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 170 ms. (steps per millisecond=58 ) properties (out of 9) seen :[1, 3, 2, 0, 1, 2, 3, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[31, 58, 84, 118, 127, 104, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:27:58] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:27:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[31, 58, 84, 118, 127, 104, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4320 ms. (231 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 11802 ms. (762 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31, 66, 84, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:28:14] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:28:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:15] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:28:15] [INFO ] [Real]Absence check using state equation in 423 ms returned sat
[2025-06-02 13:28:15] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:28:15] [INFO ] [Real]Added 94 Read/Feed constraints in 91 ms returned sat
[2025-06-02 13:28:15] [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 13:28:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2025-06-02 13:28:16] [INFO ] [Nat]Absence check using state equation in 446 ms returned sat
[2025-06-02 13:28:16] [INFO ] [Nat]Added 94 Read/Feed constraints in 94 ms returned sat
[2025-06-02 13:28:16] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 163 ms.
[2025-06-02 13:28:16] [INFO ] Added : 1 causal constraints over 1 iterations in 321 ms. Result :sat
Minimization took 594 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:17] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:28:17] [INFO ] [Real]Absence check using state equation in 434 ms returned sat
[2025-06-02 13:28:18] [INFO ] [Real]Added 94 Read/Feed constraints in 69 ms returned sat
[2025-06-02 13:28:18] [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 13:28:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 13 ms returned sat
[2025-06-02 13:28:18] [INFO ] [Nat]Absence check using state equation in 425 ms returned sat
[2025-06-02 13:28:18] [INFO ] [Nat]Added 94 Read/Feed constraints in 109 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:28:19] [INFO ] Deduced a trap composed of 76 places in 714 ms of which 59 ms to minimize.
[2025-06-02 13:28:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 795 ms
[2025-06-02 13:28:19] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 109 ms.
[2025-06-02 13:28:19] [INFO ] Added : 7 causal constraints over 4 iterations in 332 ms. Result :sat
Minimization took 530 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:20] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:28:20] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2025-06-02 13:28:20] [INFO ] [Real]Added 94 Read/Feed constraints in 62 ms returned sat
[2025-06-02 13:28:21] [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 13:28:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:28:21] [INFO ] [Nat]Absence check using state equation in 429 ms returned sat
[2025-06-02 13:28:21] [INFO ] [Nat]Added 94 Read/Feed constraints in 78 ms returned sat
[2025-06-02 13:28:21] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 170 ms.
[2025-06-02 13:28:22] [INFO ] Added : 9 causal constraints over 3 iterations in 476 ms. Result :sat
Minimization took 538 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:22] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:28:23] [INFO ] [Real]Absence check using state equation in 419 ms returned sat
[2025-06-02 13:28:23] [INFO ] [Real]Added 94 Read/Feed constraints in 76 ms returned sat
[2025-06-02 13:28:23] [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 13:28:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:28:24] [INFO ] [Nat]Absence check using state equation in 395 ms returned sat
[2025-06-02 13:28:24] [INFO ] [Nat]Added 94 Read/Feed constraints in 77 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:28:24] [INFO ] Deduced a trap composed of 76 places in 734 ms of which 100 ms to minimize.
[2025-06-02 13:28:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 885 ms
[2025-06-02 13:28:25] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 170 ms.
[2025-06-02 13:28:25] [INFO ] Added : 1 causal constraints over 1 iterations in 343 ms. Result :sat
Minimization took 522 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:26] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:28:26] [INFO ] [Real]Absence check using state equation in 427 ms returned sat
[2025-06-02 13:28:26] [INFO ] [Real]Added 94 Read/Feed constraints in 60 ms returned sat
[2025-06-02 13:28:26] [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 13:28:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:28:26] [INFO ] [Nat]Absence check using state equation in 269 ms returned sat
[2025-06-02 13:28:27] [INFO ] [Nat]Added 94 Read/Feed constraints in 62 ms returned sat
[2025-06-02 13:28:27] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 171 ms.
[2025-06-02 13:28:27] [INFO ] Added : 11 causal constraints over 4 iterations in 533 ms. Result :sat
Minimization took 535 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:28] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:28:28] [INFO ] [Real]Absence check using state equation in 407 ms returned sat
[2025-06-02 13:28:28] [INFO ] [Real]Added 94 Read/Feed constraints in 92 ms returned sat
[2025-06-02 13:28:28] [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 13:28:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:28:29] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-02 13:28:29] [INFO ] [Nat]Added 94 Read/Feed constraints in 76 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:28:30] [INFO ] Deduced a trap composed of 76 places in 757 ms of which 99 ms to minimize.
[2025-06-02 13:28:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 858 ms
[2025-06-02 13:28:30] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 173 ms.
[2025-06-02 13:28:30] [INFO ] Added : 1 causal constraints over 1 iterations in 344 ms. Result :sat
Minimization took 535 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:31] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:28:31] [INFO ] [Real]Absence check using state equation in 405 ms returned sat
[2025-06-02 13:28:31] [INFO ] [Real]Added 94 Read/Feed constraints in 53 ms returned sat
[2025-06-02 13:28:32] [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 13:28:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:28:32] [INFO ] [Nat]Absence check using state equation in 422 ms returned sat
[2025-06-02 13:28:32] [INFO ] [Nat]Added 94 Read/Feed constraints in 132 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:28:33] [INFO ] Deduced a trap composed of 76 places in 708 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:28:34] [INFO ] Deduced a trap composed of 76 places in 660 ms of which 51 ms to minimize.
[2025-06-02 13:28:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1490 ms
[2025-06-02 13:28:34] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 145 ms.
[2025-06-02 13:28:34] [INFO ] Added : 2 causal constraints over 1 iterations in 296 ms. Result :sat
Minimization took 585 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:35] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:28:35] [INFO ] [Real]Absence check using state equation in 363 ms returned sat
[2025-06-02 13:28:35] [INFO ] [Real]Added 94 Read/Feed constraints in 80 ms returned sat
[2025-06-02 13:28:35] [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 13:28:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:28:36] [INFO ] [Nat]Absence check using state equation in 424 ms returned sat
[2025-06-02 13:28:36] [INFO ] [Nat]Added 94 Read/Feed constraints in 86 ms returned sat
[2025-06-02 13:28:36] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 158 ms.
[2025-06-02 13:28:37] [INFO ] Added : 12 causal constraints over 4 iterations in 560 ms. Result :sat
Minimization took 531 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:28:37] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:28:38] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2025-06-02 13:28:38] [INFO ] [Real]Added 94 Read/Feed constraints in 73 ms returned sat
[2025-06-02 13:28:38] [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 13:28:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2025-06-02 13:28:38] [INFO ] [Nat]Absence check using state equation in 424 ms returned sat
[2025-06-02 13:28:38] [INFO ] [Nat]Added 94 Read/Feed constraints in 94 ms returned sat
[2025-06-02 13:28:39] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 157 ms.
[2025-06-02 13:28:39] [INFO ] Added : 3 causal constraints over 1 iterations in 339 ms. Result :sat
Minimization took 528 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31, 66, 84, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31, 66, 84, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 117 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 119 ms. Remains : 467/467 places, 1327/1327 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 115 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2025-06-02 13:28:40] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:28:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:28:41] [INFO ] Implicit Places using invariants in 936 ms returned []
[2025-06-02 13:28:41] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:28:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:28:42] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:28:44] [INFO ] Implicit Places using invariants and state equation in 3177 ms returned []
Implicit Place search using SMT with State Equation took 4127 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:28:44] [INFO ] Redundant transitions in 40 ms returned []
Running 1325 sub problems to find dead transitions.
[2025-06-02 13:28:44] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:28:44] [INFO ] Invariant cache hit.
[2025-06-02 13:28:44] [INFO ] State equation strengthened by 94 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:29:13] [INFO ] Deduced a trap composed of 131 places in 328 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 0/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62454ms problems are : Problem set: 0 solved, 1325 unsolved
Search for dead transitions found 0 dead transitions in 62461ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66754 ms. Remains : 467/467 places, 1327/1327 transitions.
[2025-06-02 13:29:47] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {230=1, 365=1, 569=1, 748=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 387=1, 591=1, 750=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 171 ms. (steps per millisecond=58 ) properties (out of 9) seen :[2, 2, 1, 2, 2, 3, 0, 2, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[31, 66, 84, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:29:48] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:29:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[31, 66, 84, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4264 ms. (234 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 12253 ms. (734 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:30:04] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:30:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:04] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:30:05] [INFO ] [Real]Absence check using state equation in 314 ms returned sat
[2025-06-02 13:30:05] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:30:05] [INFO ] [Real]Added 94 Read/Feed constraints in 87 ms returned sat
[2025-06-02 13:30:05] [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 13:30:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2025-06-02 13:30:05] [INFO ] [Nat]Absence check using state equation in 443 ms returned sat
[2025-06-02 13:30:05] [INFO ] [Nat]Added 94 Read/Feed constraints in 87 ms returned sat
[2025-06-02 13:30:06] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 163 ms.
[2025-06-02 13:30:06] [INFO ] Added : 1 causal constraints over 1 iterations in 322 ms. Result :sat
Minimization took 572 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:07] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:30:07] [INFO ] [Real]Absence check using state equation in 446 ms returned sat
[2025-06-02 13:30:07] [INFO ] [Real]Added 94 Read/Feed constraints in 68 ms returned sat
[2025-06-02 13:30:07] [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 13:30:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:30:08] [INFO ] [Nat]Absence check using state equation in 422 ms returned sat
[2025-06-02 13:30:08] [INFO ] [Nat]Added 94 Read/Feed constraints in 114 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:30:09] [INFO ] Deduced a trap composed of 76 places in 794 ms of which 92 ms to minimize.
[2025-06-02 13:30:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 900 ms
[2025-06-02 13:30:09] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 160 ms.
[2025-06-02 13:30:09] [INFO ] Added : 7 causal constraints over 4 iterations in 532 ms. Result :sat
Minimization took 546 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:10] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:30:10] [INFO ] [Real]Absence check using state equation in 453 ms returned sat
[2025-06-02 13:30:11] [INFO ] [Real]Added 94 Read/Feed constraints in 87 ms returned sat
[2025-06-02 13:30:11] [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 13:30:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:30:11] [INFO ] [Nat]Absence check using state equation in 446 ms returned sat
[2025-06-02 13:30:11] [INFO ] [Nat]Added 94 Read/Feed constraints in 74 ms returned sat
[2025-06-02 13:30:12] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 173 ms.
[2025-06-02 13:30:12] [INFO ] Added : 9 causal constraints over 3 iterations in 496 ms. Result :sat
Minimization took 568 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:13] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:30:13] [INFO ] [Real]Absence check using state equation in 390 ms returned sat
[2025-06-02 13:30:13] [INFO ] [Real]Added 94 Read/Feed constraints in 50 ms returned sat
[2025-06-02 13:30:13] [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 13:30:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:30:13] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2025-06-02 13:30:14] [INFO ] [Nat]Added 94 Read/Feed constraints in 90 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:30:14] [INFO ] Deduced a trap composed of 76 places in 794 ms of which 104 ms to minimize.
[2025-06-02 13:30:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 948 ms
[2025-06-02 13:30:15] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 161 ms.
[2025-06-02 13:30:15] [INFO ] Added : 1 causal constraints over 1 iterations in 327 ms. Result :sat
Minimization took 542 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:16] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:30:16] [INFO ] [Real]Absence check using state equation in 404 ms returned sat
[2025-06-02 13:30:16] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:30:16] [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 13:30:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:30:16] [INFO ] [Nat]Absence check using state equation in 294 ms returned sat
[2025-06-02 13:30:17] [INFO ] [Nat]Added 94 Read/Feed constraints in 82 ms returned sat
[2025-06-02 13:30:17] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 160 ms.
[2025-06-02 13:30:17] [INFO ] Added : 11 causal constraints over 4 iterations in 519 ms. Result :sat
Minimization took 564 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:18] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:30:18] [INFO ] [Real]Absence check using state equation in 432 ms returned sat
[2025-06-02 13:30:18] [INFO ] [Real]Added 94 Read/Feed constraints in 86 ms returned sat
[2025-06-02 13:30:19] [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 13:30:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:30:19] [INFO ] [Nat]Absence check using state equation in 394 ms returned sat
[2025-06-02 13:30:19] [INFO ] [Nat]Added 94 Read/Feed constraints in 69 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:30:20] [INFO ] Deduced a trap composed of 76 places in 753 ms of which 100 ms to minimize.
[2025-06-02 13:30:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 855 ms
[2025-06-02 13:30:20] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 159 ms.
[2025-06-02 13:30:20] [INFO ] Added : 1 causal constraints over 1 iterations in 319 ms. Result :sat
Minimization took 525 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:21] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:30:21] [INFO ] [Real]Absence check using state equation in 445 ms returned sat
[2025-06-02 13:30:22] [INFO ] [Real]Added 94 Read/Feed constraints in 52 ms returned sat
[2025-06-02 13:30:22] [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 13:30:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 13:30:22] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-02 13:30:22] [INFO ] [Nat]Added 94 Read/Feed constraints in 144 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:30:23] [INFO ] Deduced a trap composed of 76 places in 707 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:30:24] [INFO ] Deduced a trap composed of 76 places in 527 ms of which 57 ms to minimize.
[2025-06-02 13:30:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1347 ms
[2025-06-02 13:30:24] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 176 ms.
[2025-06-02 13:30:24] [INFO ] Added : 2 causal constraints over 1 iterations in 339 ms. Result :sat
Minimization took 603 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:25] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:30:25] [INFO ] [Real]Absence check using state equation in 285 ms returned sat
[2025-06-02 13:30:25] [INFO ] [Real]Added 94 Read/Feed constraints in 70 ms returned sat
[2025-06-02 13:30:25] [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 13:30:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 13:30:26] [INFO ] [Nat]Absence check using state equation in 362 ms returned sat
[2025-06-02 13:30:26] [INFO ] [Nat]Added 94 Read/Feed constraints in 78 ms returned sat
[2025-06-02 13:30:26] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 158 ms.
[2025-06-02 13:30:26] [INFO ] Added : 12 causal constraints over 4 iterations in 581 ms. Result :sat
Minimization took 550 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:30:27] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 13:30:27] [INFO ] [Real]Absence check using state equation in 433 ms returned sat
[2025-06-02 13:30:28] [INFO ] [Real]Added 94 Read/Feed constraints in 45 ms returned sat
[2025-06-02 13:30:28] [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 13:30:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:30:28] [INFO ] [Nat]Absence check using state equation in 274 ms returned sat
[2025-06-02 13:30:28] [INFO ] [Nat]Added 94 Read/Feed constraints in 58 ms returned sat
[2025-06-02 13:30:28] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 108 ms.
[2025-06-02 13:30:28] [INFO ] Added : 3 causal constraints over 1 iterations in 227 ms. Result :sat
Minimization took 378 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 115 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 467/467 places, 1327/1327 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 116 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2025-06-02 13:30:29] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:30:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:30:30] [INFO ] Implicit Places using invariants in 1001 ms returned []
[2025-06-02 13:30:30] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:30:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:30:31] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:30:33] [INFO ] Implicit Places using invariants and state equation in 3099 ms returned []
Implicit Place search using SMT with State Equation took 4106 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:30:33] [INFO ] Redundant transitions in 35 ms returned []
Running 1325 sub problems to find dead transitions.
[2025-06-02 13:30:33] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:30:33] [INFO ] Invariant cache hit.
[2025-06-02 13:30:33] [INFO ] State equation strengthened by 94 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:30:55] [INFO ] Deduced a trap composed of 131 places in 203 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
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(s28 0)
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(s115 0)
(s116 0)
(s117 0)
(s118 0)
(s119 0)
(s120 0)
(s121 0)
(s122 0)
(s123 0)
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(s125 0)
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(s132 0)
(s133 0)
(s134 0)
(s135 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 0/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62159ms problems are : Problem set: 0 solved, 1325 unsolved
Search for dead transitions found 0 dead transitions in 62164ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66430 ms. Remains : 467/467 places, 1327/1327 transitions.
[2025-06-02 13:31:36] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {230=1, 365=1, 569=1, 748=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 591=1, 750=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 9) seen :[2, 2, 0, 0, 1, 3, 1, 2, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:31:36] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:31:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 94, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 4440 ms. (225 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 11808 ms. (762 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:31:52] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:31:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:31:52] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:31:53] [INFO ] [Real]Absence check using state equation in 301 ms returned sat
[2025-06-02 13:31:53] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:31:53] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:31:53] [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 13:31:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:31:53] [INFO ] [Nat]Absence check using state equation in 317 ms returned sat
[2025-06-02 13:31:53] [INFO ] [Nat]Added 94 Read/Feed constraints in 60 ms returned sat
[2025-06-02 13:31:53] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 109 ms.
[2025-06-02 13:31:54] [INFO ] Added : 1 causal constraints over 1 iterations in 219 ms. Result :sat
Minimization took 400 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:31:54] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:31:54] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2025-06-02 13:31:54] [INFO ] [Real]Added 94 Read/Feed constraints in 44 ms returned sat
[2025-06-02 13:31:54] [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 13:31:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:31:55] [INFO ] [Nat]Absence check using state equation in 296 ms returned sat
[2025-06-02 13:31:55] [INFO ] [Nat]Added 94 Read/Feed constraints in 69 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:31:56] [INFO ] Deduced a trap composed of 76 places in 552 ms of which 64 ms to minimize.
[2025-06-02 13:31:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 620 ms
[2025-06-02 13:31:56] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 109 ms.
[2025-06-02 13:31:56] [INFO ] Added : 7 causal constraints over 4 iterations in 343 ms. Result :sat
Minimization took 372 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:31:56] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:31:57] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-02 13:31:57] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:31:57] [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 13:31:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:31:57] [INFO ] [Nat]Absence check using state equation in 301 ms returned sat
[2025-06-02 13:31:57] [INFO ] [Nat]Added 94 Read/Feed constraints in 49 ms returned sat
[2025-06-02 13:31:57] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 107 ms.
[2025-06-02 13:31:58] [INFO ] Added : 9 causal constraints over 3 iterations in 299 ms. Result :sat
Minimization took 371 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:31:58] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:31:58] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2025-06-02 13:31:58] [INFO ] [Real]Added 94 Read/Feed constraints in 51 ms returned sat
[2025-06-02 13:31:59] [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 13:31:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:31:59] [INFO ] [Nat]Absence check using state equation in 290 ms returned sat
[2025-06-02 13:31:59] [INFO ] [Nat]Added 94 Read/Feed constraints in 59 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:32:00] [INFO ] Deduced a trap composed of 76 places in 552 ms of which 63 ms to minimize.
[2025-06-02 13:32:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 652 ms
[2025-06-02 13:32:00] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 104 ms.
[2025-06-02 13:32:00] [INFO ] Added : 1 causal constraints over 1 iterations in 212 ms. Result :sat
Minimization took 364 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:32:00] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:32:01] [INFO ] [Real]Absence check using state equation in 292 ms returned sat
[2025-06-02 13:32:01] [INFO ] [Real]Added 94 Read/Feed constraints in 60 ms returned sat
[2025-06-02 13:32:01] [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 13:32:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:32:01] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2025-06-02 13:32:01] [INFO ] [Nat]Added 94 Read/Feed constraints in 53 ms returned sat
[2025-06-02 13:32:01] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 96 ms.
[2025-06-02 13:32:02] [INFO ] Added : 11 causal constraints over 4 iterations in 324 ms. Result :sat
Minimization took 368 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:32:02] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:32:02] [INFO ] [Real]Absence check using state equation in 281 ms returned sat
[2025-06-02 13:32:02] [INFO ] [Real]Added 94 Read/Feed constraints in 56 ms returned sat
[2025-06-02 13:32:02] [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 13:32:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:32:03] [INFO ] [Nat]Absence check using state equation in 285 ms returned sat
[2025-06-02 13:32:03] [INFO ] [Nat]Added 94 Read/Feed constraints in 46 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:32:03] [INFO ] Deduced a trap composed of 76 places in 552 ms of which 62 ms to minimize.
[2025-06-02 13:32:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 624 ms
[2025-06-02 13:32:04] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 109 ms.
[2025-06-02 13:32:04] [INFO ] Added : 1 causal constraints over 1 iterations in 217 ms. Result :sat
Minimization took 356 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:32:04] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:32:04] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2025-06-02 13:32:05] [INFO ] [Real]Added 94 Read/Feed constraints in 38 ms returned sat
[2025-06-02 13:32:05] [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 13:32:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:32:05] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-02 13:32:05] [INFO ] [Nat]Added 94 Read/Feed constraints in 93 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:32:06] [INFO ] Deduced a trap composed of 76 places in 508 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:32:06] [INFO ] Deduced a trap composed of 76 places in 519 ms of which 38 ms to minimize.
[2025-06-02 13:32:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1115 ms
[2025-06-02 13:32:06] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 117 ms.
[2025-06-02 13:32:06] [INFO ] Added : 2 causal constraints over 1 iterations in 226 ms. Result :sat
Minimization took 437 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:32:07] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:32:07] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-02 13:32:07] [INFO ] [Real]Added 94 Read/Feed constraints in 58 ms returned sat
[2025-06-02 13:32:07] [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 13:32:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:32:08] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2025-06-02 13:32:08] [INFO ] [Nat]Added 94 Read/Feed constraints in 55 ms returned sat
[2025-06-02 13:32:08] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 108 ms.
[2025-06-02 13:32:08] [INFO ] Added : 12 causal constraints over 4 iterations in 380 ms. Result :sat
Minimization took 370 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:32:09] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:32:09] [INFO ] [Real]Absence check using state equation in 287 ms returned sat
[2025-06-02 13:32:09] [INFO ] [Real]Added 94 Read/Feed constraints in 49 ms returned sat
[2025-06-02 13:32:09] [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 13:32:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:32:09] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-02 13:32:09] [INFO ] [Nat]Added 94 Read/Feed constraints in 61 ms returned sat
[2025-06-02 13:32:10] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 109 ms.
[2025-06-02 13:32:10] [INFO ] Added : 3 causal constraints over 1 iterations in 233 ms. Result :sat
Minimization took 361 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 72 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 467/467 places, 1327/1327 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 72 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2025-06-02 13:32:11] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:32:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:32:11] [INFO ] Implicit Places using invariants in 743 ms returned []
[2025-06-02 13:32:11] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:32:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:32:12] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:32:14] [INFO ] Implicit Places using invariants and state equation in 2875 ms returned []
Implicit Place search using SMT with State Equation took 3620 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:32:14] [INFO ] Redundant transitions in 36 ms returned []
Running 1325 sub problems to find dead transitions.
[2025-06-02 13:32:14] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:32:14] [INFO ] Invariant cache hit.
[2025-06-02 13:32:14] [INFO ] State equation strengthened by 94 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:32:33] [INFO ] Deduced a trap composed of 131 places in 194 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 0/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62188ms problems are : Problem set: 0 solved, 1325 unsolved
Search for dead transitions found 0 dead transitions in 62192ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65930 ms. Remains : 467/467 places, 1327/1327 transitions.
[2025-06-02 13:33:16] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {230=1, 365=1, 569=1, 748=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 591=1, 750=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 9) seen :[1, 1, 0, 0, 2, 3, 3, 2, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:33:17] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:33:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[31, 66, 206, 118, 127, 165, 11, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (2 resets) in 4377 ms. (228 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 12983 ms. (693 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:33:34] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:33:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:34] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:35] [INFO ] [Real]Absence check using state equation in 301 ms returned sat
[2025-06-02 13:33:35] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:33:35] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:33:35] [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 13:33:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:35] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-02 13:33:35] [INFO ] [Nat]Added 94 Read/Feed constraints in 58 ms returned sat
[2025-06-02 13:33:35] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 113 ms.
[2025-06-02 13:33:36] [INFO ] Added : 1 causal constraints over 1 iterations in 219 ms. Result :sat
Minimization took 390 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:36] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:36] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2025-06-02 13:33:36] [INFO ] [Real]Added 94 Read/Feed constraints in 48 ms returned sat
[2025-06-02 13:33:36] [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 13:33:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:33:37] [INFO ] [Nat]Absence check using state equation in 297 ms returned sat
[2025-06-02 13:33:37] [INFO ] [Nat]Added 94 Read/Feed constraints in 70 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:33:37] [INFO ] Deduced a trap composed of 76 places in 552 ms of which 62 ms to minimize.
[2025-06-02 13:33:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 620 ms
[2025-06-02 13:33:38] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 111 ms.
[2025-06-02 13:33:38] [INFO ] Added : 7 causal constraints over 4 iterations in 357 ms. Result :sat
Minimization took 374 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:38] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:39] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2025-06-02 13:33:39] [INFO ] [Real]Added 94 Read/Feed constraints in 58 ms returned sat
[2025-06-02 13:33:39] [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 13:33:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:33:39] [INFO ] [Nat]Absence check using state equation in 301 ms returned sat
[2025-06-02 13:33:39] [INFO ] [Nat]Added 94 Read/Feed constraints in 48 ms returned sat
[2025-06-02 13:33:39] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 114 ms.
[2025-06-02 13:33:40] [INFO ] Added : 9 causal constraints over 3 iterations in 311 ms. Result :sat
Minimization took 372 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:40] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:40] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-02 13:33:40] [INFO ] [Real]Added 94 Read/Feed constraints in 54 ms returned sat
[2025-06-02 13:33:40] [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 13:33:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:41] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2025-06-02 13:33:41] [INFO ] [Nat]Added 94 Read/Feed constraints in 59 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:33:41] [INFO ] Deduced a trap composed of 76 places in 555 ms of which 63 ms to minimize.
[2025-06-02 13:33:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 653 ms
[2025-06-02 13:33:42] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 106 ms.
[2025-06-02 13:33:42] [INFO ] Added : 1 causal constraints over 1 iterations in 216 ms. Result :sat
Minimization took 361 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:42] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:43] [INFO ] [Real]Absence check using state equation in 288 ms returned sat
[2025-06-02 13:33:43] [INFO ] [Real]Added 94 Read/Feed constraints in 58 ms returned sat
[2025-06-02 13:33:43] [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 13:33:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:33:43] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2025-06-02 13:33:43] [INFO ] [Nat]Added 94 Read/Feed constraints in 53 ms returned sat
[2025-06-02 13:33:43] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 112 ms.
[2025-06-02 13:33:43] [INFO ] Added : 11 causal constraints over 4 iterations in 344 ms. Result :sat
Minimization took 373 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:44] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:33:44] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
[2025-06-02 13:33:44] [INFO ] [Real]Added 94 Read/Feed constraints in 66 ms returned sat
[2025-06-02 13:33:44] [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 13:33:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:33:45] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2025-06-02 13:33:45] [INFO ] [Nat]Added 94 Read/Feed constraints in 54 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:33:45] [INFO ] Deduced a trap composed of 76 places in 560 ms of which 63 ms to minimize.
[2025-06-02 13:33:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 625 ms
[2025-06-02 13:33:46] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 109 ms.
[2025-06-02 13:33:46] [INFO ] Added : 1 causal constraints over 1 iterations in 221 ms. Result :sat
Minimization took 359 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:46] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:46] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-02 13:33:47] [INFO ] [Real]Added 94 Read/Feed constraints in 41 ms returned sat
[2025-06-02 13:33:47] [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 13:33:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:47] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2025-06-02 13:33:47] [INFO ] [Nat]Added 94 Read/Feed constraints in 97 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:33:48] [INFO ] Deduced a trap composed of 76 places in 518 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:33:48] [INFO ] Deduced a trap composed of 76 places in 534 ms of which 37 ms to minimize.
[2025-06-02 13:33:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1137 ms
[2025-06-02 13:33:48] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 116 ms.
[2025-06-02 13:33:48] [INFO ] Added : 2 causal constraints over 1 iterations in 226 ms. Result :sat
Minimization took 441 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:49] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:49] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2025-06-02 13:33:49] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:33:49] [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 13:33:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:50] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-02 13:33:50] [INFO ] [Nat]Added 94 Read/Feed constraints in 61 ms returned sat
[2025-06-02 13:33:50] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 110 ms.
[2025-06-02 13:33:50] [INFO ] Added : 12 causal constraints over 4 iterations in 379 ms. Result :sat
Minimization took 373 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:33:51] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:51] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 13:33:51] [INFO ] [Real]Added 94 Read/Feed constraints in 50 ms returned sat
[2025-06-02 13:33:51] [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 13:33:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:33:52] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 13:33:52] [INFO ] [Nat]Added 94 Read/Feed constraints in 62 ms returned sat
[2025-06-02 13:33:52] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 114 ms.
[2025-06-02 13:33:52] [INFO ] Added : 3 causal constraints over 1 iterations in 236 ms. Result :sat
Minimization took 362 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 72 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 467/467 places, 1327/1327 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 75 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2025-06-02 13:33:53] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:33:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:33:53] [INFO ] Implicit Places using invariants in 766 ms returned []
[2025-06-02 13:33:53] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:33:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:33:54] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:33:56] [INFO ] Implicit Places using invariants and state equation in 2842 ms returned []
Implicit Place search using SMT with State Equation took 3609 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:33:56] [INFO ] Redundant transitions in 36 ms returned []
Running 1325 sub problems to find dead transitions.
[2025-06-02 13:33:56] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:33:56] [INFO ] Invariant cache hit.
[2025-06-02 13:33:56] [INFO ] State equation strengthened by 94 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:34:17] [INFO ] Deduced a trap composed of 131 places in 198 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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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 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 0/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62624ms problems are : Problem set: 0 solved, 1325 unsolved
Search for dead transitions found 0 dead transitions in 62629ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66358 ms. Remains : 467/467 places, 1327/1327 transitions.
[2025-06-02 13:34:59] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {230=1, 365=1, 569=1, 748=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 387=1, 591=1, 750=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 295 ms. (steps per millisecond=33 ) properties (out of 9) seen :[0, 2, 4, 3, 2, 2, 3, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:35:00] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:35:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 4393 ms. (227 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 12543 ms. (717 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 13:35:17] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:35:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:17] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:17] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
[2025-06-02 13:35:17] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:35:17] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:35:17] [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 13:35:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:18] [INFO ] [Nat]Absence check using state equation in 301 ms returned sat
[2025-06-02 13:35:18] [INFO ] [Nat]Added 94 Read/Feed constraints in 58 ms returned sat
[2025-06-02 13:35:18] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 108 ms.
[2025-06-02 13:35:18] [INFO ] Added : 1 causal constraints over 1 iterations in 215 ms. Result :sat
Minimization took 407 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:18] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:19] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2025-06-02 13:35:19] [INFO ] [Real]Added 94 Read/Feed constraints in 47 ms returned sat
[2025-06-02 13:35:19] [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 13:35:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:19] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-02 13:35:19] [INFO ] [Nat]Added 94 Read/Feed constraints in 70 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:35:20] [INFO ] Deduced a trap composed of 76 places in 553 ms of which 63 ms to minimize.
[2025-06-02 13:35:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 622 ms
[2025-06-02 13:35:20] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 110 ms.
[2025-06-02 13:35:20] [INFO ] Added : 7 causal constraints over 4 iterations in 350 ms. Result :sat
Minimization took 382 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:21] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 13:35:21] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-02 13:35:21] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:35:21] [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 13:35:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:22] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-02 13:35:22] [INFO ] [Nat]Added 94 Read/Feed constraints in 49 ms returned sat
[2025-06-02 13:35:22] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 114 ms.
[2025-06-02 13:35:22] [INFO ] Added : 9 causal constraints over 3 iterations in 308 ms. Result :sat
Minimization took 376 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:22] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:23] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2025-06-02 13:35:23] [INFO ] [Real]Added 94 Read/Feed constraints in 50 ms returned sat
[2025-06-02 13:35:23] [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 13:35:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:23] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-02 13:35:23] [INFO ] [Nat]Added 94 Read/Feed constraints in 61 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:35:24] [INFO ] Deduced a trap composed of 76 places in 555 ms of which 63 ms to minimize.
[2025-06-02 13:35:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 655 ms
[2025-06-02 13:35:24] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 113 ms.
[2025-06-02 13:35:24] [INFO ] Added : 1 causal constraints over 1 iterations in 223 ms. Result :sat
Minimization took 367 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:25] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:25] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
[2025-06-02 13:35:25] [INFO ] [Real]Added 94 Read/Feed constraints in 62 ms returned sat
[2025-06-02 13:35:25] [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 13:35:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:35:26] [INFO ] [Nat]Absence check using state equation in 317 ms returned sat
[2025-06-02 13:35:26] [INFO ] [Nat]Added 94 Read/Feed constraints in 55 ms returned sat
[2025-06-02 13:35:26] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 112 ms.
[2025-06-02 13:35:26] [INFO ] Added : 11 causal constraints over 4 iterations in 348 ms. Result :sat
Minimization took 384 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:26] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:27] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2025-06-02 13:35:27] [INFO ] [Real]Added 94 Read/Feed constraints in 59 ms returned sat
[2025-06-02 13:35:27] [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 13:35:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:35:27] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 13:35:27] [INFO ] [Nat]Added 94 Read/Feed constraints in 55 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:35:28] [INFO ] Deduced a trap composed of 76 places in 553 ms of which 64 ms to minimize.
[2025-06-02 13:35:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 619 ms
[2025-06-02 13:35:28] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 117 ms.
[2025-06-02 13:35:28] [INFO ] Added : 1 causal constraints over 1 iterations in 228 ms. Result :sat
Minimization took 377 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:29] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:29] [INFO ] [Real]Absence check using state equation in 310 ms returned sat
[2025-06-02 13:35:29] [INFO ] [Real]Added 94 Read/Feed constraints in 43 ms returned sat
[2025-06-02 13:35:29] [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 13:35:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:29] [INFO ] [Nat]Absence check using state equation in 316 ms returned sat
[2025-06-02 13:35:30] [INFO ] [Nat]Added 94 Read/Feed constraints in 96 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:35:30] [INFO ] Deduced a trap composed of 76 places in 528 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:35:31] [INFO ] Deduced a trap composed of 76 places in 524 ms of which 37 ms to minimize.
[2025-06-02 13:35:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1142 ms
[2025-06-02 13:35:31] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 105 ms.
[2025-06-02 13:35:31] [INFO ] Added : 2 causal constraints over 1 iterations in 216 ms. Result :sat
Minimization took 447 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:32] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:32] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-02 13:35:32] [INFO ] [Real]Added 94 Read/Feed constraints in 60 ms returned sat
[2025-06-02 13:35:32] [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 13:35:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:32] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-02 13:35:32] [INFO ] [Nat]Added 94 Read/Feed constraints in 55 ms returned sat
[2025-06-02 13:35:33] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 107 ms.
[2025-06-02 13:35:33] [INFO ] Added : 12 causal constraints over 4 iterations in 390 ms. Result :sat
Minimization took 385 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:35:33] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:34] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-02 13:35:34] [INFO ] [Real]Added 94 Read/Feed constraints in 53 ms returned sat
[2025-06-02 13:35:34] [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 13:35:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:35:34] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2025-06-02 13:35:34] [INFO ] [Nat]Added 94 Read/Feed constraints in 65 ms returned sat
[2025-06-02 13:35:34] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 116 ms.
[2025-06-02 13:35:35] [INFO ] Added : 3 causal constraints over 1 iterations in 242 ms. Result :sat
Minimization took 384 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 76 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 467/467 places, 1327/1327 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 71 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
[2025-06-02 13:35:35] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:35:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:35:36] [INFO ] Implicit Places using invariants in 753 ms returned []
[2025-06-02 13:35:36] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:35:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:35:37] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:35:39] [INFO ] Implicit Places using invariants and state equation in 2932 ms returned []
Implicit Place search using SMT with State Equation took 3687 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:35:39] [INFO ] Redundant transitions in 36 ms returned []
Running 1325 sub problems to find dead transitions.
[2025-06-02 13:35:39] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:35:39] [INFO ] Invariant cache hit.
[2025-06-02 13:35:39] [INFO ] State equation strengthened by 94 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:00] [INFO ] Deduced a trap composed of 131 places in 220 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 467/1233 variables, and 4 constraints, problems are : Problem set: 0 solved, 1325 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/467 constraints, ReadFeed: 0/94 constraints, PredecessorRefiner: 0/1325 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62709ms problems are : Problem set: 0 solved, 1325 unsolved
Search for dead transitions found 0 dead transitions in 62712ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66515 ms. Remains : 467/467 places, 1327/1327 transitions.
[2025-06-02 13:36:42] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {230=1, 365=1, 569=1, 748=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 591=1, 750=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 9) seen :[3, 1, 2, 0, 2, 2, 7, 1, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40002 steps (8 resets) in 1623 ms. (24 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 242 ms. (164 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 232 ms. (171 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 218 ms. (182 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 130 ms. (305 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 127 ms. (312 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 10/10 properties
[2025-06-02 13:36:43] [INFO ] Flatten gal took : 564 ms
[2025-06-02 13:36:44] [INFO ] Flatten gal took : 267 ms
[2025-06-02 13:36:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6893780062588418397.gal : 78 ms
[2025-06-02 13:36:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4950096714328163660.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/ReachabilityCardinality6893780062588418397.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4950096714328163660.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/ReachabilityCardinality4950096714328163660.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :31 after 1995
Interrupted probabilistic random walk after 140488 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :0 out of 10
Probabilistic random walk after 140488 steps, saw 86560 distinct states, run finished after 3015 ms. (steps per millisecond=46 ) properties seen :0
[2025-06-02 13:36:46] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:36:46] [INFO ] Invariant cache hit.
[2025-06-02 13:36:46] [INFO ] State equation strengthened by 94 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 383/392 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 659/1051 variables, 392/393 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1051 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 95/1146 variables, 22/415 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 86/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1146 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 13/1159 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1159 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1159 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 61/1220 variables, 41/545 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1220 variables, 8/553 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1220 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 13/1233 variables, 11/564 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1233 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (OVERLAPS) 0/1233 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1233/1233 variables, and 564 constraints, problems are : Problem set: 0 solved, 10 unsolved in 2873 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 467/467 constraints, ReadFeed: 94/94 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 383/392 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 659/1051 variables, 392/393 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1051 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 95/1146 variables, 22/415 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 86/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1146 variables, 10/512 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:51] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:51] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:51] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:51] [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) 0/1146 variables, 4/516 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:52] [INFO ] Deduced a trap composed of 131 places in 355 ms of which 11 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1146 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1146 variables, 0/517 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 13/1159 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1159 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1159 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 61/1220 variables, 41/560 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1220 variables, 8/568 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:54] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:54] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:54] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:54] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:54] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:36:54] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/1220 variables, 6/574 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1220/1233 variables, and 574 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 456/467 constraints, ReadFeed: 94/94 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 10/10 constraints]
After SMT, in 7910ms problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Applied a total of 0 rules in 72 ms. Remains 467 /467 variables (removed 0) and now considering 1327/1327 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 467/467 places, 1327/1327 transitions.
RANDOM walk for 40004 steps (8 resets) in 458 ms. (87 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 64 ms. (615 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 54 ms. (727 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 68 ms. (579 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
Interrupted probabilistic random walk after 169147 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :0 out of 10
Probabilistic random walk after 169147 steps, saw 104213 distinct states, run finished after 3001 ms. (steps per millisecond=56 ) properties seen :0
[2025-06-02 13:36:58] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:36:58] [INFO ] Invariant cache hit.
[2025-06-02 13:36:58] [INFO ] State equation strengthened by 94 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 383/392 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 659/1051 variables, 392/393 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1051 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 95/1146 variables, 22/415 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 86/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1146 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 13/1159 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1159 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1159 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 61/1220 variables, 41/545 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1220 variables, 8/553 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1220 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 13/1233 variables, 11/564 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1233 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (OVERLAPS) 0/1233 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1233/1233 variables, and 564 constraints, problems are : Problem set: 0 solved, 10 unsolved in 2587 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 467/467 constraints, ReadFeed: 94/94 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 383/392 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 659/1051 variables, 392/393 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1051 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 95/1146 variables, 22/415 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 86/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1146 variables, 10/512 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:02] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:02] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:02] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:02] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1146 variables, 4/516 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:03] [INFO ] Deduced a trap composed of 131 places in 269 ms of which 10 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1146 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1146 variables, 0/517 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 13/1159 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1159 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1159 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 61/1220 variables, 41/560 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1220 variables, 8/568 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:05] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:05] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:05] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:05] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:05] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:05] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/1220 variables, 6/574 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1220 variables, 0/574 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (OVERLAPS) 13/1233 variables, 11/585 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:07] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:07] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:07] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:07] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/1233 variables, 4/589 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:08] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:08] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/1233 variables, 2/591 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:08] [INFO ] Deduced a trap along path composed of 3 places in 43 ms of which 0 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1233 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:09] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:09] [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 13:37:09] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:09] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1233 variables, 4/596 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:10] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1233 variables, 1/597 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1233 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 26 (OVERLAPS) 0/1233 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1233/1233 variables, and 597 constraints, problems are : Problem set: 0 solved, 10 unsolved in 11524 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 467/467 constraints, ReadFeed: 94/94 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 22/22 constraints]
After SMT, in 14130ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 8 different solutions.
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80647e+17
Detected timeout of ITS tools.
[2025-06-02 13:37:34] [INFO ] Flatten gal took : 127 ms
[2025-06-02 13:37:34] [INFO ] Applying decomposition
[2025-06-02 13:37:34] [INFO ] Flatten gal took : 140 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/graph108226868520775466.txt' '-o' '/tmp/graph108226868520775466.bin' '-w' '/tmp/graph108226868520775466.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph108226868520775466.bin' '-l' '-1' '-v' '-w' '/tmp/graph108226868520775466.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:37:35] [INFO ] Decomposing Gal with order
[2025-06-02 13:37:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:37:35] [INFO ] Removed a total of 2287 redundant transitions.
[2025-06-02 13:37:36] [INFO ] Flatten gal took : 449 ms
[2025-06-02 13:37:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 1006 labels/synchronizations in 124 ms.
[2025-06-02 13:37:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3669994103040287613.gal : 24 ms
[2025-06-02 13:37:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7576432099229529005.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/ReachabilityCardinality3669994103040287613.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7576432099229529005.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/ReachabilityCardinality7576432099229529005.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 4
Parikh walk visited 1 properties in 30698 ms.
Support contains 8 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 466 transition count 1325
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 466 transition count 1325
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 466 transition count 1323
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 465 transition count 1321
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 465 transition count 1321
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 464 transition count 1319
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 464 transition count 1319
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 463 transition count 1315
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 463 transition count 1315
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 462 transition count 1313
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 462 transition count 1313
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 461 transition count 1311
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 461 transition count 1311
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 460 transition count 1309
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 460 transition count 1309
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 459 transition count 1307
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 459 transition count 1307
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 458 transition count 1305
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 458 transition count 1305
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 457 transition count 1303
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 457 transition count 1303
Applied a total of 22 rules in 1640 ms. Remains 457 /467 variables (removed 10) and now considering 1303/1327 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1642 ms. Remains : 457/467 places, 1303/1327 transitions.
RANDOM walk for 40001 steps (8 resets) in 718 ms. (55 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 256 ms. (155 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 183 ms. (217 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 161 ms. (246 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 187680 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :0 out of 9
Probabilistic random walk after 187680 steps, saw 115100 distinct states, run finished after 3001 ms. (steps per millisecond=62 ) properties seen :0
[2025-06-02 13:37:48] [INFO ] Flow matrix only has 750 transitions (discarded 553 similar events)
// Phase 1: matrix 750 rows 457 cols
[2025-06-02 13:37:48] [INFO ] Computed 3 invariants in 36 ms
[2025-06-02 13:37:48] [INFO ] State equation strengthened by 91 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 383/391 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/391 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 657/1048 variables, 391/392 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1048 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 84/1132 variables, 20/412 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1132 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1132 variables, 84/497 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1132 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 11/1143 variables, 1/498 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1143 variables, 1/499 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1143 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 53/1196 variables, 36/535 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1196 variables, 7/542 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1196 variables, 0/542 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 11/1207 variables, 9/551 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1207 variables, 0/551 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 0/1207 variables, 0/551 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1207/1207 variables, and 551 constraints, problems are : Problem set: 0 solved, 9 unsolved in 3021 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 457/457 constraints, ReadFeed: 91/91 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 383/391 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/391 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 657/1048 variables, 391/392 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1048 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 84/1132 variables, 20/412 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1132 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1132 variables, 84/497 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1132 variables, 9/506 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:52] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:53] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1132 variables, 10/516 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1132 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 11/1143 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1143 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1143 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 53/1196 variables, 36/554 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1196 variables, 7/561 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:55] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1196 variables, 1/562 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1196 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 11/1207 variables, 9/571 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:56] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:56] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:37:56] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/1207 variables, 3/574 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1207 variables, 0/574 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (OVERLAPS) 0/1207 variables, 0/574 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1207/1207 variables, and 574 constraints, problems are : Problem set: 0 solved, 9 unsolved in 6629 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 457/457 constraints, ReadFeed: 91/91 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 14/14 constraints]
After SMT, in 9759ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 8 different solutions.
Detected timeout of ITS tools.
Parikh walk visited 0 properties in 30558 ms.
Support contains 8 out of 457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 457/457 places, 1303/1303 transitions.
Applied a total of 0 rules in 71 ms. Remains 457 /457 variables (removed 0) and now considering 1303/1303 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 457/457 places, 1303/1303 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 457/457 places, 1303/1303 transitions.
Applied a total of 0 rules in 67 ms. Remains 457 /457 variables (removed 0) and now considering 1303/1303 (removed 0) transitions.
[2025-06-02 13:38:28] [INFO ] Flow matrix only has 750 transitions (discarded 553 similar events)
[2025-06-02 13:38:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:29] [INFO ] Implicit Places using invariants in 549 ms returned []
[2025-06-02 13:38:29] [INFO ] Flow matrix only has 750 transitions (discarded 553 similar events)
[2025-06-02 13:38:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:29] [INFO ] State equation strengthened by 91 read => feed constraints.
[2025-06-02 13:38:32] [INFO ] Implicit Places using invariants and state equation in 3010 ms returned []
Implicit Place search using SMT with State Equation took 3560 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:38:32] [INFO ] Redundant transitions in 114 ms returned []
Running 1301 sub problems to find dead transitions.
[2025-06-02 13:38:32] [INFO ] Flow matrix only has 750 transitions (discarded 553 similar events)
[2025-06-02 13:38:32] [INFO ] Invariant cache hit.
[2025-06-02 13:38:32] [INFO ] State equation strengthened by 91 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:52] [INFO ] Deduced a trap composed of 131 places in 215 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 457/1207 variables, and 4 constraints, problems are : Problem set: 0 solved, 1301 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/457 constraints, ReadFeed: 0/91 constraints, PredecessorRefiner: 1301/1301 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1301 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/457 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1301 unsolved
SMT process timed out in 62922ms, After SMT, problems are : Problem set: 0 solved, 1301 unsolved
Search for dead transitions found 0 dead transitions in 62939ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66700 ms. Remains : 457/457 places, 1303/1303 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[31, 66, 206, 137, 127, 165, 23, 132, 141] Max Struct:[32, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-c032-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[32]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[32]
[2025-06-02 13:39:35] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 13:39:35] [INFO ] Computed 3 invariants in 20 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[32]
RANDOM walk for 10000 steps (2 resets) in 46 ms. (212 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[32]
[2025-06-02 13:39:35] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:39:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:39:35] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:39:36] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2025-06-02 13:39:36] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:39:36] [INFO ] [Real]Added 94 Read/Feed constraints in 39 ms returned sat
[2025-06-02 13:39:36] [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 13:39:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:39:36] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-02 13:39:36] [INFO ] [Nat]Added 94 Read/Feed constraints in 81 ms returned sat
[2025-06-02 13:39:37] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 307 ms.
[2025-06-02 13:39:37] [INFO ] Added : 1 causal constraints over 1 iterations in 424 ms. Result :sat
Minimization took 509 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[32]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[32]
Support contains 1 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Graph (complete) has 2266 edges and 467 vertex of which 464 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 464 transition count 1322
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 13 place count 457 transition count 1308
Iterating global reduction 1 with 7 rules applied. Total rules applied 20 place count 457 transition count 1308
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 26 place count 457 transition count 1302
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 34 place count 449 transition count 1280
Iterating global reduction 2 with 8 rules applied. Total rules applied 42 place count 449 transition count 1280
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 46 place count 449 transition count 1276
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 52 place count 443 transition count 1264
Iterating global reduction 3 with 6 rules applied. Total rules applied 58 place count 443 transition count 1264
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 63 place count 438 transition count 1252
Iterating global reduction 3 with 5 rules applied. Total rules applied 68 place count 438 transition count 1252
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 73 place count 433 transition count 1240
Iterating global reduction 3 with 5 rules applied. Total rules applied 78 place count 433 transition count 1240
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 83 place count 428 transition count 1230
Iterating global reduction 3 with 5 rules applied. Total rules applied 88 place count 428 transition count 1230
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 93 place count 423 transition count 1220
Iterating global reduction 3 with 5 rules applied. Total rules applied 98 place count 423 transition count 1220
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 103 place count 418 transition count 1210
Iterating global reduction 3 with 5 rules applied. Total rules applied 108 place count 418 transition count 1210
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 110 place count 416 transition count 1206
Iterating global reduction 3 with 2 rules applied. Total rules applied 112 place count 416 transition count 1206
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 114 place count 414 transition count 1202
Iterating global reduction 3 with 2 rules applied. Total rules applied 116 place count 414 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 117 place count 413 transition count 1200
Iterating global reduction 3 with 1 rules applied. Total rules applied 118 place count 413 transition count 1200
Applied a total of 118 rules in 681 ms. Remains 413 /467 variables (removed 54) and now considering 1200/1327 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 682 ms. Remains : 413/467 places, 1200/1327 transitions.
[2025-06-02 13:39:38] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2025-06-02 13:39:38] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[32]
RANDOM walk for 1000000 steps (2 resets) in 3747 ms. (266 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1099 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[32]
[2025-06-02 13:39:43] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 13:39:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:39:43] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:39:43] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
[2025-06-02 13:39:43] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-02 13:39:43] [INFO ] [Real]Added 72 Read/Feed constraints in 65 ms returned sat
[2025-06-02 13:39:43] [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 13:39:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:39:44] [INFO ] [Nat]Absence check using state equation in 377 ms returned sat
[2025-06-02 13:39:44] [INFO ] [Nat]Added 72 Read/Feed constraints in 77 ms returned sat
[2025-06-02 13:39:44] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 109 ms.
[2025-06-02 13:39:44] [INFO ] Added : 2 causal constraints over 1 iterations in 221 ms. Result :sat
Minimization took 359 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[32]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[32] Max Struct:[32]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 60 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 59 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2025-06-02 13:39:45] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 13:39:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:39:45] [INFO ] Implicit Places using invariants in 628 ms returned []
[2025-06-02 13:39:45] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 13:39:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:39:46] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-02 13:39:48] [INFO ] Implicit Places using invariants and state equation in 2668 ms returned []
Implicit Place search using SMT with State Equation took 3301 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:39:48] [INFO ] Redundant transitions in 35 ms returned []
Running 1198 sub problems to find dead transitions.
[2025-06-02 13:39:48] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 13:39:48] [INFO ] Invariant cache hit.
[2025-06-02 13:39:48] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:40:04] [INFO ] Deduced a trap composed of 131 places in 235 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 413/1088 variables, and 4 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/413 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 1198/1198 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1198 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1088 variables, 72/489 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1088/1088 variables, and 1687 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 31037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1198/1198 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63134ms problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 63138ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66542 ms. Remains : 413/413 places, 1200/1200 transitions.
[2025-06-02 13:40:51] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 13:40:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[32] Max Struct:[32]
FORMULA FunctionPointer-PT-c032-UpperBounds-00 32 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 3806 ms. (262 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-02 13:40:55] [INFO ] Flatten gal took : 274 ms
[2025-06-02 13:40:55] [INFO ] Flatten gal took : 59 ms
[2025-06-02 13:40:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5636735777187831229.gal : 46 ms
[2025-06-02 13:40:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10792429251940576833.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/ReachabilityCardinality5636735777187831229.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10792429251940576833.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-00 in 80338 ms.
Starting property specific reduction for FunctionPointer-PT-c032-UpperBounds-01
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 13:40:55] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 13:40:55] [INFO ] Computed 3 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 45 ms. (217 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:[0] Max Struct:[+inf]
[2025-06-02 13:40:56] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:40:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:40:56] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:40:56] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2025-06-02 13:40:56] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:40:56] [INFO ] [Real]Added 94 Read/Feed constraints in 54 ms returned sat
[2025-06-02 13:40:56] [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 13:40:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:40:56] [INFO ] [Nat]Absence check using state equation in 297 ms returned sat
[2025-06-02 13:40:56] [INFO ] [Nat]Added 94 Read/Feed constraints in 52 ms returned sat
[2025-06-02 13:40:57] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 112 ms.
[2025-06-02 13:40:57] [INFO ] Added : 3 causal constraints over 2 iterations in 273 ms. Result :sat
Minimization took 392 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 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Graph (complete) has 2266 edges and 467 vertex of which 464 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 464 transition count 1322
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 458 transition count 1310
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 458 transition count 1310
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 22 place count 458 transition count 1306
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 28 place count 452 transition count 1288
Iterating global reduction 2 with 6 rules applied. Total rules applied 34 place count 452 transition count 1288
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 39 place count 447 transition count 1278
Iterating global reduction 2 with 5 rules applied. Total rules applied 44 place count 447 transition count 1278
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 48 place count 443 transition count 1268
Iterating global reduction 2 with 4 rules applied. Total rules applied 52 place count 443 transition count 1268
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 56 place count 439 transition count 1260
Iterating global reduction 2 with 4 rules applied. Total rules applied 60 place count 439 transition count 1260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 64 place count 435 transition count 1252
Iterating global reduction 2 with 4 rules applied. Total rules applied 68 place count 435 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 72 place count 431 transition count 1244
Iterating global reduction 2 with 4 rules applied. Total rules applied 76 place count 431 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 80 place count 427 transition count 1236
Iterating global reduction 2 with 4 rules applied. Total rules applied 84 place count 427 transition count 1236
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 85 place count 426 transition count 1234
Iterating global reduction 2 with 1 rules applied. Total rules applied 86 place count 426 transition count 1234
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 87 place count 425 transition count 1232
Iterating global reduction 2 with 1 rules applied. Total rules applied 88 place count 425 transition count 1232
Applied a total of 88 rules in 197 ms. Remains 425 /467 variables (removed 42) and now considering 1232/1327 (removed 95) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 198 ms. Remains : 425/467 places, 1232/1327 transitions.
[2025-06-02 13:40:57] [INFO ] Flow matrix only has 695 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 {203=1, 301=1, 499=1, 690=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 350=1, 676=1, 694=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 304 ms. (steps per millisecond=32 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-06-02 13:40:58] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
// Phase 1: matrix 695 rows 425 cols
[2025-06-02 13:40:58] [INFO ] Computed 3 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 4048 ms. (246 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1255 ms. (796 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128] Max Struct:[+inf]
[2025-06-02 13:41:03] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:41:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:41:03] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:41:04] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2025-06-02 13:41:04] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:41:04] [INFO ] [Real]Added 75 Read/Feed constraints in 52 ms returned sat
[2025-06-02 13:41:04] [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 13:41:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:41:04] [INFO ] [Nat]Absence check using state equation in 241 ms returned sat
[2025-06-02 13:41:04] [INFO ] [Nat]Added 75 Read/Feed constraints in 57 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:41:05] [INFO ] Deduced a trap composed of 70 places in 529 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:41:05] [INFO ] Deduced a trap composed of 77 places in 497 ms of which 54 ms to minimize.
[2025-06-02 13:41:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1111 ms
[2025-06-02 13:41:05] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 361 transitions) in 111 ms.
[2025-06-02 13:41:06] [INFO ] Added : 26 causal constraints over 6 iterations in 442 ms. Result :sat
Minimization took 407 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[+inf]
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 63 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 425/425 places, 1232/1232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 75 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
[2025-06-02 13:41:08] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:41:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:41:09] [INFO ] Implicit Places using invariants in 588 ms returned []
[2025-06-02 13:41:09] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:41:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:41:09] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:41:12] [INFO ] Implicit Places using invariants and state equation in 2654 ms returned []
Implicit Place search using SMT with State Equation took 3243 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:41:12] [INFO ] Redundant transitions in 30 ms returned []
Running 1230 sub problems to find dead transitions.
[2025-06-02 13:41:12] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:41:12] [INFO ] Invariant cache hit.
[2025-06-02 13:41:12] [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) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:41:29] [INFO ] Deduced a trap composed of 131 places in 208 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 425/1120 variables, and 4 constraints, problems are : Problem set: 0 solved, 1230 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/425 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1230/1230 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1230 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
SMT process timed out in 62386ms, After SMT, problems are : Problem set: 0 solved, 1230 unsolved
Search for dead transitions found 0 dead transitions in 62390ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65750 ms. Remains : 425/425 places, 1232/1232 transitions.
[2025-06-02 13:42:14] [INFO ] Flow matrix only has 695 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 {203=1, 301=1, 499=1, 690=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 350=1, 676=1, 694=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 :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[128] Max Struct:[+inf]
[2025-06-02 13:42:15] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:42:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 4001 ms. (249 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1220 ms. (819 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128] Max Struct:[+inf]
[2025-06-02 13:42:20] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:42:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:42:20] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:42:20] [INFO ] [Real]Absence check using state equation in 272 ms returned sat
[2025-06-02 13:42:20] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:42:20] [INFO ] [Real]Added 75 Read/Feed constraints in 54 ms returned sat
[2025-06-02 13:42:20] [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 13:42:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:42:21] [INFO ] [Nat]Absence check using state equation in 266 ms returned sat
[2025-06-02 13:42:21] [INFO ] [Nat]Added 75 Read/Feed constraints in 61 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:42:21] [INFO ] Deduced a trap composed of 70 places in 509 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:42:22] [INFO ] Deduced a trap composed of 77 places in 533 ms of which 55 ms to minimize.
[2025-06-02 13:42:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1123 ms
[2025-06-02 13:42:22] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 361 transitions) in 113 ms.
[2025-06-02 13:42:22] [INFO ] Added : 26 causal constraints over 6 iterations in 441 ms. Result :sat
Minimization took 387 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[+inf]
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 68 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 425/425 places, 1232/1232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 63 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
[2025-06-02 13:42:25] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:42:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:42:26] [INFO ] Implicit Places using invariants in 684 ms returned []
[2025-06-02 13:42:26] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:42:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:42:26] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:42:28] [INFO ] Implicit Places using invariants and state equation in 2793 ms returned []
Implicit Place search using SMT with State Equation took 3478 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:42:29] [INFO ] Redundant transitions in 31 ms returned []
Running 1230 sub problems to find dead transitions.
[2025-06-02 13:42:29] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:42:29] [INFO ] Invariant cache hit.
[2025-06-02 13:42:29] [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) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:42:46] [INFO ] Deduced a trap composed of 131 places in 205 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 425/1120 variables, and 4 constraints, problems are : Problem set: 0 solved, 1230 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/425 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1230/1230 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1230 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 3 (OVERLAPS) 695/1120 variables, 425/429 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
SMT process timed out in 62507ms, After SMT, problems are : Problem set: 0 solved, 1230 unsolved
Search for dead transitions found 0 dead transitions in 62510ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66090 ms. Remains : 425/425 places, 1232/1232 transitions.
[2025-06-02 13:43:31] [INFO ] Flow matrix only has 695 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 {203=1, 301=1, 499=1, 690=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 350=1, 676=1, 694=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[128] Max Struct:[+inf]
[2025-06-02 13:43:32] [INFO ] Flatten gal took : 97 ms
[2025-06-02 13:43:32] [INFO ] Flatten gal took : 67 ms
[2025-06-02 13:43:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5166532382225879724.gal : 9 ms
[2025-06-02 13:43:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9768772455717595458.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/ReachabilityCardinality5166532382225879724.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9768772455717595458.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (8 resets) in 377 ms. (105 steps per ms) remains 1/1 properties
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
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality9768772455717595458.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 1975
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1975 after 1.20219e+06
Interrupted probabilistic random walk after 390100 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 1
Probabilistic random walk after 390100 steps, saw 239212 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
[2025-06-02 13:43:35] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:43:35] [INFO ] Invariant cache hit.
[2025-06-02 13:43:35] [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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 349/369 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10/379 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/379 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/983 variables, 338/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/983 variables, 74/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1045 variables, 1/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1045 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 70/1115 variables, 68/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1115 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/1119 variables, 2/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1119 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1120 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1120 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1120 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1120/1120 variables, and 503 constraints, problems are : Problem set: 0 solved, 1 unsolved in 572 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 425/425 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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 349/369 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/369 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 10/379 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/379 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/983 variables, 338/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/983 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1045 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1045 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 70/1115 variables, 68/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1115 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 4/1119 variables, 2/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1119 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1120 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1120 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1120 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1120/1120 variables, and 504 constraints, problems are : Problem set: 0 solved, 1 unsolved in 741 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 425/425 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1323ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 657 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 62 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 425/425 places, 1232/1232 transitions.
RANDOM walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 391220 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 391220 steps, saw 239897 distinct states, run finished after 3007 ms. (steps per millisecond=130 ) properties seen :0
[2025-06-02 13:43:40] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:43:40] [INFO ] Invariant cache hit.
[2025-06-02 13:43:40] [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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 349/369 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10/379 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/379 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.20219e+06 after 3.3929e+10
At refinement iteration 13 (OVERLAPS) 604/983 variables, 338/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/983 variables, 74/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1045 variables, 1/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1045 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 70/1115 variables, 68/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1115 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/1119 variables, 2/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1119 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1120 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1120 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1120 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1120/1120 variables, and 503 constraints, problems are : Problem set: 0 solved, 1 unsolved in 556 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 425/425 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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 349/369 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/369 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/369 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/369 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 10/379 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/379 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/983 variables, 338/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/983 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/983 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1045 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1045 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 70/1115 variables, 68/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1115 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 4/1119 variables, 2/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1119 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1120 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1120 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1120 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1120/1120 variables, and 504 constraints, problems are : Problem set: 0 solved, 1 unsolved in 754 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 425/425 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1323ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 684 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 62 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 425/425 places, 1232/1232 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1232/1232 transitions.
Applied a total of 0 rules in 61 ms. Remains 425 /425 variables (removed 0) and now considering 1232/1232 (removed 0) transitions.
[2025-06-02 13:43:42] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:43:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:43:43] [INFO ] Implicit Places using invariants in 706 ms returned []
[2025-06-02 13:43:43] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:43:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:43:43] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:43:46] [INFO ] Implicit Places using invariants and state equation in 2996 ms returned []
Implicit Place search using SMT with State Equation took 3708 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:43:46] [INFO ] Redundant transitions in 32 ms returned []
Running 1230 sub problems to find dead transitions.
[2025-06-02 13:43:46] [INFO ] Flow matrix only has 695 transitions (discarded 537 similar events)
[2025-06-02 13:43:46] [INFO ] Invariant cache hit.
[2025-06-02 13:43:46] [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) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:44:04] [INFO ] Deduced a trap composed of 131 places in 200 ms of which 7 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.3929e+10 after 4.52904e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 425/1120 variables, and 4 constraints, problems are : Problem set: 0 solved, 1230 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/425 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1230/1230 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1230 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
Detected timeout of ITS tools.
[2025-06-02 13:44:22] [INFO ] Flatten gal took : 47 ms
[2025-06-02 13:44:22] [INFO ] Applying decomposition
[2025-06-02 13:44:22] [INFO ] Flatten gal took : 46 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/graph8651964567943880712.txt' '-o' '/tmp/graph8651964567943880712.bin' '-w' '/tmp/graph8651964567943880712.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8651964567943880712.bin' '-l' '-1' '-v' '-w' '/tmp/graph8651964567943880712.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:44:22] [INFO ] Decomposing Gal with order
[2025-06-02 13:44:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:44:23] [INFO ] Removed a total of 2119 redundant transitions.
[2025-06-02 13:44:23] [INFO ] Flatten gal took : 174 ms
[2025-06-02 13:44:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 981 labels/synchronizations in 81 ms.
[2025-06-02 13:44:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10554408696267692433.gal : 12 ms
[2025-06-02 13:44:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13405391922479648938.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/ReachabilityCardinality10554408696267692433.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13405391922479648938.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/ReachabilityCardinality13405391922479648938.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
At refinement iteration 3 (OVERLAPS) 695/1120 variables, 425/429 constraints. Problems are: Problem set: 0 solved, 1230 unsolved
SMT process timed out in 62368ms, After SMT, problems are : Problem set: 0 solved, 1230 unsolved
Search for dead transitions found 0 dead transitions in 62378ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66190 ms. Remains : 425/425 places, 1232/1232 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 537 transitions
Reduce isomorphic transitions removed 537 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 546 rules applied. Total rules applied 546 place count 425 transition count 686
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 555 place count 416 transition count 686
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 555 place count 416 transition count 613
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 701 place count 343 transition count 613
Performed 130 Post agglomeration using F-continuation condition.Transition count delta: 130
Deduced a syphon composed of 130 places in 0 ms
Reduce places removed 130 places and 0 transitions.
Iterating global reduction 2 with 260 rules applied. Total rules applied 961 place count 213 transition count 483
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1025 place count 149 transition count 355
Iterating global reduction 2 with 64 rules applied. Total rules applied 1089 place count 149 transition count 355
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 1091 place count 149 transition count 353
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1154 place count 86 transition count 227
Iterating global reduction 3 with 63 rules applied. Total rules applied 1217 place count 86 transition count 227
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1280 place count 23 transition count 101
Iterating global reduction 3 with 63 rules applied. Total rules applied 1343 place count 23 transition count 101
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1406 place count 23 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1406 place count 23 transition count 37
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 1408 place count 22 transition count 37
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 1410 place count 21 transition count 36
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 1412 place count 20 transition count 37
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 1415 place count 20 transition count 34
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 1416 place count 19 transition count 33
Iterating global reduction 4 with 1 rules applied. Total rules applied 1417 place count 19 transition count 33
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1419 place count 19 transition count 31
Applied a total of 1419 rules in 107 ms. Remains 19 /425 variables (removed 406) and now considering 31/1232 (removed 1201) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-02 13:44:48] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:44:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 13:44:48] [INFO ] After 20ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 13:44:48] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 13:44:48] [INFO ] After 11ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 13:44:48] [INFO ] After 79ms 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 13:44:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 13:44:48] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 13:44:48] [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 13:44:48] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:44:48] [INFO ] After 50ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:44:48] [INFO ] Flatten gal took : 1 ms
[2025-06-02 13:44:48] [INFO ] Flatten gal took : 1 ms
[2025-06-02 13:44:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13571851233751033730.gal : 1 ms
[2025-06-02 13:44:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1209848334437639066.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/ReachabilityCardinality13571851233751033730.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1209848334437639066.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/ReachabilityCardinality1209848334437639066.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 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 2674
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2674 after 37587
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :37587 after 1.56351e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.56351e+06 after 4.63928e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.63928e+06 after 1.07789e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.07789e+07 after 2.30461e+07
Detected timeout of ITS tools.
[2025-06-02 13:45:03] [INFO ] Flatten gal took : 2 ms
[2025-06-02 13:45:03] [INFO ] Applying decomposition
[2025-06-02 13:45:03] [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/graph5884943358783900538.txt' '-o' '/tmp/graph5884943358783900538.bin' '-w' '/tmp/graph5884943358783900538.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5884943358783900538.bin' '-l' '-1' '-v' '-w' '/tmp/graph5884943358783900538.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:45:03] [INFO ] Decomposing Gal with order
[2025-06-02 13:45:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:45:03] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 13:45:03] [INFO ] Flatten gal took : 3 ms
[2025-06-02 13:45:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-02 13:45:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14845075796695410339.gal : 1 ms
[2025-06-02 13:45:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14233185510005823194.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/ReachabilityCardinality14845075796695410339.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14233185510005823194.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/ReachabilityCardinality14233185510005823194.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 126
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30336 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[128] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-01 in 262976 ms.
Starting property specific reduction for FunctionPointer-PT-c032-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 13:45:18] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 13:45:18] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 47 ms. (208 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:[0] Max Struct:[+inf]
[2025-06-02 13:45:19] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:45:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:45:19] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:45:19] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-02 13:45:19] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:45:19] [INFO ] [Real]Added 94 Read/Feed constraints in 55 ms returned sat
[2025-06-02 13:45:19] [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 13:45:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:45:19] [INFO ] [Nat]Absence check using state equation in 290 ms returned sat
[2025-06-02 13:45:19] [INFO ] [Nat]Added 94 Read/Feed constraints in 55 ms returned sat
[2025-06-02 13:45:20] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 120 ms.
[2025-06-02 13:45:20] [INFO ] Added : 4 causal constraints over 2 iterations in 277 ms. Result :sat
Minimization took 397 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 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Graph (complete) has 2266 edges and 467 vertex of which 464 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 464 transition count 1322
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 458 transition count 1310
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 458 transition count 1310
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 24 place count 458 transition count 1304
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 31 place count 451 transition count 1286
Iterating global reduction 2 with 7 rules applied. Total rules applied 38 place count 451 transition count 1286
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 42 place count 451 transition count 1282
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 47 place count 446 transition count 1272
Iterating global reduction 3 with 5 rules applied. Total rules applied 52 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 56 place count 442 transition count 1262
Iterating global reduction 3 with 4 rules applied. Total rules applied 60 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 64 place count 438 transition count 1252
Iterating global reduction 3 with 4 rules applied. Total rules applied 68 place count 438 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 72 place count 434 transition count 1244
Iterating global reduction 3 with 4 rules applied. Total rules applied 76 place count 434 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 80 place count 430 transition count 1236
Iterating global reduction 3 with 4 rules applied. Total rules applied 84 place count 430 transition count 1236
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 88 place count 426 transition count 1228
Iterating global reduction 3 with 4 rules applied. Total rules applied 92 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 94 place count 424 transition count 1224
Iterating global reduction 3 with 2 rules applied. Total rules applied 96 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 98 place count 422 transition count 1220
Iterating global reduction 3 with 2 rules applied. Total rules applied 100 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 101 place count 421 transition count 1218
Iterating global reduction 3 with 1 rules applied. Total rules applied 102 place count 421 transition count 1218
Applied a total of 102 rules in 210 ms. Remains 421 /467 variables (removed 46) and now considering 1218/1327 (removed 109) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 211 ms. Remains : 421/467 places, 1218/1327 transitions.
[2025-06-02 13:45:20] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {233=1, 324=1, 522=1, 683=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 13:45:21] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2025-06-02 13:45:21] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3938 ms. (253 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1122 ms. (890 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[497] Max Struct:[+inf]
[2025-06-02 13:45:26] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:45:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:45:26] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:45:26] [INFO ] [Real]Absence check using state equation in 250 ms returned sat
[2025-06-02 13:45:26] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:45:26] [INFO ] [Real]Added 75 Read/Feed constraints in 55 ms returned sat
[2025-06-02 13:45:26] [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 13:45:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:45:27] [INFO ] [Nat]Absence check using state equation in 253 ms returned sat
[2025-06-02 13:45:27] [INFO ] [Nat]Added 75 Read/Feed constraints in 40 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:27] [INFO ] Deduced a trap composed of 70 places in 460 ms of which 33 ms to minimize.
[2025-06-02 13:45:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 521 ms
[2025-06-02 13:45:27] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 99 ms.
[2025-06-02 13:45:28] [INFO ] Added : 10 causal constraints over 3 iterations in 337 ms. Result :sat
Minimization took 336 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[497] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[497] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 60 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 68 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 13:45:28] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:45:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:45:29] [INFO ] Implicit Places using invariants in 697 ms returned []
[2025-06-02 13:45:29] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:45:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:45:29] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:45:32] [INFO ] Implicit Places using invariants and state equation in 3304 ms returned []
Implicit Place search using SMT with State Equation took 4001 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:45:32] [INFO ] Redundant transitions in 30 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 13:45:32] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:45:32] [INFO ] Invariant cache hit.
[2025-06-02 13:45:32] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:45:53] [INFO ] Deduced a trap composed of 131 places in 211 ms of which 8 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 62460ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62463ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66571 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 13:46:35] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {233=1, 324=1, 522=1, 683=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[497] Max Struct:[+inf]
[2025-06-02 13:46:35] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:46:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[497] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3791 ms. (263 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1111 ms. (899 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[497] Max Struct:[+inf]
[2025-06-02 13:46:40] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:46:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:46:40] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:46:40] [INFO ] [Real]Absence check using state equation in 267 ms returned sat
[2025-06-02 13:46:40] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:46:40] [INFO ] [Real]Added 75 Read/Feed constraints in 56 ms returned sat
[2025-06-02 13:46:40] [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 13:46:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:46:41] [INFO ] [Nat]Absence check using state equation in 264 ms returned sat
[2025-06-02 13:46:41] [INFO ] [Nat]Added 75 Read/Feed constraints in 39 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:46:41] [INFO ] Deduced a trap composed of 70 places in 493 ms of which 34 ms to minimize.
[2025-06-02 13:46:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 549 ms
[2025-06-02 13:46:41] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 99 ms.
[2025-06-02 13:46:42] [INFO ] Added : 10 causal constraints over 3 iterations in 332 ms. Result :sat
Minimization took 353 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[497] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[497] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 60 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 59 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 13:46:42] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:46:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:43] [INFO ] Implicit Places using invariants in 612 ms returned []
[2025-06-02 13:46:43] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:46:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:43] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:46:46] [INFO ] Implicit Places using invariants and state equation in 3364 ms returned []
Implicit Place search using SMT with State Equation took 3977 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:46:46] [INFO ] Redundant transitions in 30 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 13:46:46] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:46:46] [INFO ] Invariant cache hit.
[2025-06-02 13:46:46] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:47:07] [INFO ] Deduced a trap composed of 131 places in 214 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1109 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 1716 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 31071 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63469ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 63471ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67547 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 13:47:50] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {233=1, 324=1, 522=1, 683=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[497] Max Struct:[+inf]
[2025-06-02 13:47:50] [INFO ] Flatten gal took : 41 ms
[2025-06-02 13:47:50] [INFO ] Flatten gal took : 49 ms
[2025-06-02 13:47:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8757650520371862069.gal : 8 ms
[2025-06-02 13:47:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3259778198719150895.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/ReachabilityCardinality8757650520371862069.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3259778198719150895.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40005 steps (8 resets) in 278 ms. (143 steps per ms) remains 1/1 properties
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
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality3259778198719150895.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 383957 steps, run timeout after 3001 ms. (steps per millisecond=127 ) properties seen :0 out of 1
Probabilistic random walk after 383957 steps, saw 235445 distinct states, run finished after 3001 ms. (steps per millisecond=127 ) properties seen :0
[2025-06-02 13:47:53] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:47:53] [INFO ] Invariant cache hit.
[2025-06-02 13:47:53] [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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 564 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 582 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1184ms 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
Parikh walk visited 0 properties in 5157 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 63 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 421/421 places, 1218/1218 transitions.
RANDOM walk for 40008 steps (8 resets) in 346 ms. (115 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 391795 steps, run timeout after 3019 ms. (steps per millisecond=129 ) properties seen :0 out of 1
Probabilistic random walk after 391795 steps, saw 240250 distinct states, run finished after 3020 ms. (steps per millisecond=129 ) properties seen :0
[2025-06-02 13:48:03] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:48:03] [INFO ] Invariant cache hit.
[2025-06-02 13:48:03] [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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 553 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 598 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1186ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 5400 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 92 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 86 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 13:48:10] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:48:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:48:10] [INFO ] Implicit Places using invariants in 604 ms returned []
[2025-06-02 13:48:10] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:48:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:48:11] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:48:14] [INFO ] Implicit Places using invariants and state equation in 3348 ms returned []
Implicit Place search using SMT with State Equation took 3967 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:48:14] [INFO ] Redundant transitions in 31 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 13:48:14] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:48:14] [INFO ] Invariant cache hit.
[2025-06-02 13:48:14] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80647e+17
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:48:35] [INFO ] Deduced a trap composed of 131 places in 229 ms of which 7 ms to minimize.
Detected timeout of ITS tools.
[2025-06-02 13:48:40] [INFO ] Flatten gal took : 53 ms
[2025-06-02 13:48:40] [INFO ] Applying decomposition
[2025-06-02 13:48:40] [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/graph7412048045426089517.txt' '-o' '/tmp/graph7412048045426089517.bin' '-w' '/tmp/graph7412048045426089517.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7412048045426089517.bin' '-l' '-1' '-v' '-w' '/tmp/graph7412048045426089517.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:48:41] [INFO ] Decomposing Gal with order
[2025-06-02 13:48:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:48:41] [INFO ] Removed a total of 2081 redundant transitions.
[2025-06-02 13:48:41] [INFO ] Flatten gal took : 87 ms
[2025-06-02 13:48:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 843 labels/synchronizations in 39 ms.
[2025-06-02 13:48:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17911332747838031363.gal : 7 ms
[2025-06-02 13:48:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18220568591223970826.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/ReachabilityCardinality17911332747838031363.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18220568591223970826.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/ReachabilityCardinality18220568591223970826.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 62758ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62761ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66855 ms. Remains : 421/421 places, 1218/1218 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 530 transitions
Reduce isomorphic transitions removed 530 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 540 rules applied. Total rules applied 540 place count 421 transition count 678
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 550 place count 411 transition count 678
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 550 place count 411 transition count 605
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 696 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 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 950 place count 211 transition count 478
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1014 place count 147 transition count 350
Iterating global reduction 2 with 64 rules applied. Total rules applied 1078 place count 147 transition count 350
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1079 place count 147 transition count 349
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1142 place count 84 transition count 223
Iterating global reduction 3 with 63 rules applied. Total rules applied 1205 place count 84 transition count 223
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1268 place count 21 transition count 97
Iterating global reduction 3 with 63 rules applied. Total rules applied 1331 place count 21 transition count 97
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1394 place count 21 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1394 place count 21 transition count 33
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 20 transition count 33
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 1398 place count 19 transition count 32
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1399 place count 19 transition count 31
Applied a total of 1399 rules in 63 ms. Remains 19 /421 variables (removed 402) and now considering 31/1218 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-02 13:49:17] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:49:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 13:49:17] [INFO ] After 27ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 13:49:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 13:49:17] [INFO ] After 9ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 13:49:17] [INFO ] After 73ms 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 13:49:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 13:49:17] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 13:49:17] [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 13:49:17] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:49:17] [INFO ] After 49ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:49:17] [INFO ] Flatten gal took : 2 ms
[2025-06-02 13:49:17] [INFO ] Flatten gal took : 3 ms
[2025-06-02 13:49:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3661298159613842578.gal : 1 ms
[2025-06-02 13:49:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10710892935035060549.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/ReachabilityCardinality3661298159613842578.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10710892935035060549.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/ReachabilityCardinality10710892935035060549.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 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 6339
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6339 after 426547
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :426547 after 1.19848e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.19848e+06 after 2.73637e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.73637e+06 after 5.80616e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.80616e+06 after 1.19398e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.19398e+07 after 2.4201e+07
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2025-06-02 13:49:32] [INFO ] Flatten gal took : 1 ms
[2025-06-02 13:49:32] [INFO ] Applying decomposition
[2025-06-02 13:49:32] [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/graph12330530528682174021.txt' '-o' '/tmp/graph12330530528682174021.bin' '-w' '/tmp/graph12330530528682174021.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12330530528682174021.bin' '-l' '-1' '-v' '-w' '/tmp/graph12330530528682174021.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:49:32] [INFO ] Decomposing Gal with order
[2025-06-02 13:49:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:49:32] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 13:49:32] [INFO ] Flatten gal took : 3 ms
[2025-06-02 13:49:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-02 13:49:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12309771843766416089.gal : 1 ms
[2025-06-02 13:49:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10553342771137135319.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/ReachabilityCardinality12309771843766416089.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10553342771137135319.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/ReachabilityCardinality10553342771137135319.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 126
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30261 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[497] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-05 in 268251 ms.
Starting property specific reduction for FunctionPointer-PT-c032-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 13:49:47] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 13:49:47] [INFO ] Computed 3 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 37 ms. (263 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:[0] Max Struct:[+inf]
[2025-06-02 13:49:47] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:49:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:49:47] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:49:47] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2025-06-02 13:49:47] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:49:47] [INFO ] [Real]Added 94 Read/Feed constraints in 54 ms returned sat
[2025-06-02 13:49:47] [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 13:49:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:49:48] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-02 13:49:48] [INFO ] [Nat]Added 94 Read/Feed constraints in 51 ms returned sat
[2025-06-02 13:49:48] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 118 ms.
[2025-06-02 13:49:48] [INFO ] Added : 1 causal constraints over 1 iterations in 231 ms. Result :sat
Minimization took 380 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 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Graph (complete) has 2266 edges and 467 vertex of which 464 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 464 transition count 1322
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 458 transition count 1310
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 458 transition count 1310
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 24 place count 458 transition count 1304
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 31 place count 451 transition count 1284
Iterating global reduction 2 with 7 rules applied. Total rules applied 38 place count 451 transition count 1284
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 42 place count 451 transition count 1280
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 47 place count 446 transition count 1270
Iterating global reduction 3 with 5 rules applied. Total rules applied 52 place count 446 transition count 1270
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 57 place count 441 transition count 1258
Iterating global reduction 3 with 5 rules applied. Total rules applied 62 place count 441 transition count 1258
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 67 place count 436 transition count 1246
Iterating global reduction 3 with 5 rules applied. Total rules applied 72 place count 436 transition count 1246
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 77 place count 431 transition count 1236
Iterating global reduction 3 with 5 rules applied. Total rules applied 82 place count 431 transition count 1236
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 87 place count 426 transition count 1226
Iterating global reduction 3 with 5 rules applied. Total rules applied 92 place count 426 transition count 1226
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 97 place count 421 transition count 1216
Iterating global reduction 3 with 5 rules applied. Total rules applied 102 place count 421 transition count 1216
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 104 place count 419 transition count 1212
Iterating global reduction 3 with 2 rules applied. Total rules applied 106 place count 419 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 108 place count 417 transition count 1208
Iterating global reduction 3 with 2 rules applied. Total rules applied 110 place count 417 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 111 place count 416 transition count 1206
Iterating global reduction 3 with 1 rules applied. Total rules applied 112 place count 416 transition count 1206
Applied a total of 112 rules in 242 ms. Remains 416 /467 variables (removed 51) and now considering 1206/1327 (removed 121) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 242 ms. Remains : 416/467 places, 1206/1327 transitions.
[2025-06-02 13:49:49] [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 {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-02 13:49:49] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2025-06-02 13:49:49] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3903 ms. (256 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1109 ms. (900 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[675] Max Struct:[+inf]
[2025-06-02 13:49:54] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:49:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:49:54] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:49:55] [INFO ] [Real]Absence check using state equation in 267 ms returned sat
[2025-06-02 13:49:55] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 13:49:55] [INFO ] [Real]Added 74 Read/Feed constraints in 41 ms returned sat
[2025-06-02 13:49:55] [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 13:49:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:49:55] [INFO ] [Nat]Absence check using state equation in 266 ms returned sat
[2025-06-02 13:49:55] [INFO ] [Nat]Added 74 Read/Feed constraints in 35 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:49:56] [INFO ] Deduced a trap composed of 70 places in 513 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:49:56] [INFO ] Deduced a trap composed of 70 places in 484 ms of which 38 ms to minimize.
[2025-06-02 13:49:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1085 ms
[2025-06-02 13:49:56] [INFO ] Computed and/alt/rep : 330/1240/330 causal constraints (skipped 349 transitions) in 99 ms.
[2025-06-02 13:49:56] [INFO ] Added : 5 causal constraints over 2 iterations in 302 ms. Result :sat
Minimization took 363 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[675] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[675] 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 13:50:00] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:50:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:50:01] [INFO ] Implicit Places using invariants in 600 ms returned []
[2025-06-02 13:50:01] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:50:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:50:01] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 13:50:03] [INFO ] Implicit Places using invariants and state equation in 2363 ms returned []
Implicit Place search using SMT with State Equation took 2965 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:50:03] [INFO ] Redundant transitions in 30 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 13:50:03] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:50:03] [INFO ] Invariant cache hit.
[2025-06-02 13:50:03] [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) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:50:20] [INFO ] Deduced a trap composed of 131 places in 222 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 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 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 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, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62233ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62236ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65299 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 13:51:05] [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 {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[675] Max Struct:[+inf]
[2025-06-02 13:51:06] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:51:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[675] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 3835 ms. (260 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1133 ms. (881 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[684] Max Struct:[+inf]
[2025-06-02 13:51:11] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:51:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:51:11] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:51:11] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2025-06-02 13:51:11] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 13:51:11] [INFO ] [Real]Added 74 Read/Feed constraints in 40 ms returned sat
[2025-06-02 13:51:11] [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 13:51:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:51:12] [INFO ] [Nat]Absence check using state equation in 278 ms returned sat
[2025-06-02 13:51:12] [INFO ] [Nat]Added 74 Read/Feed constraints in 38 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:51:12] [INFO ] Deduced a trap composed of 70 places in 486 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:51:13] [INFO ] Deduced a trap composed of 70 places in 465 ms of which 36 ms to minimize.
[2025-06-02 13:51:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1034 ms
[2025-06-02 13:51:13] [INFO ] Computed and/alt/rep : 330/1240/330 causal constraints (skipped 349 transitions) in 101 ms.
[2025-06-02 13:51:13] [INFO ] Added : 5 causal constraints over 2 iterations in 297 ms. Result :sat
Minimization took 346 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[684] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[684] 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 62 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 65 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 13:51:17] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:51:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:51:17] [INFO ] Implicit Places using invariants in 631 ms returned []
[2025-06-02 13:51:17] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:51:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:51:18] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 13:51:20] [INFO ] Implicit Places using invariants and state equation in 2367 ms returned []
Implicit Place search using SMT with State Equation took 3000 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:51:20] [INFO ] Redundant transitions in 30 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 13:51:20] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:51:20] [INFO ] Invariant cache hit.
[2025-06-02 13:51:20] [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) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:51:37] [INFO ] Deduced a trap composed of 131 places in 210 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 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 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 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, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62399ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62402ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65507 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 13:52:22] [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 {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[684] Max Struct:[+inf]
[2025-06-02 13:52:23] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:52:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[684] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3847 ms. (259 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1112 ms. (898 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[684] Max Struct:[+inf]
[2025-06-02 13:52:28] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:52:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:52:28] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 13:52:28] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2025-06-02 13:52:28] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 13:52:28] [INFO ] [Real]Added 74 Read/Feed constraints in 38 ms returned sat
[2025-06-02 13:52:28] [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 13:52:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:52:29] [INFO ] [Nat]Absence check using state equation in 251 ms returned sat
[2025-06-02 13:52:29] [INFO ] [Nat]Added 74 Read/Feed constraints in 35 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:52:29] [INFO ] Deduced a trap composed of 70 places in 503 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:52:30] [INFO ] Deduced a trap composed of 70 places in 474 ms of which 37 ms to minimize.
[2025-06-02 13:52:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1060 ms
[2025-06-02 13:52:30] [INFO ] Computed and/alt/rep : 330/1240/330 causal constraints (skipped 349 transitions) in 99 ms.
[2025-06-02 13:52:30] [INFO ] Added : 5 causal constraints over 2 iterations in 296 ms. Result :sat
Minimization took 351 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[684] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[684] 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 59 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 61 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 13:52:34] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:52:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:52:34] [INFO ] Implicit Places using invariants in 660 ms returned []
[2025-06-02 13:52:34] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:52:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:52:35] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 13:52:37] [INFO ] Implicit Places using invariants and state equation in 2417 ms returned []
Implicit Place search using SMT with State Equation took 3079 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:52:37] [INFO ] Redundant transitions in 30 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 13:52:37] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:52:37] [INFO ] Invariant cache hit.
[2025-06-02 13:52:37] [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) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:52:53] [INFO ] Deduced a trap composed of 131 places in 208 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 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 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 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, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62474ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62477ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65658 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 13:53:39] [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 {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[684] Max Struct:[+inf]
[2025-06-02 13:53:40] [INFO ] Flatten gal took : 46 ms
RANDOM walk for 40002 steps (8 resets) in 269 ms. (148 steps per ms) remains 1/1 properties
[2025-06-02 13:53:40] [INFO ] Flatten gal took : 38 ms
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
[2025-06-02 13:53:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11181587341067120767.gal : 8 ms
[2025-06-02 13:53:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11092235942741626359.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/ReachabilityCardinality11181587341067120767.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11092235942741626359.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/ReachabilityCardinality11092235942741626359.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 406074 steps, run timeout after 3001 ms. (steps per millisecond=135 ) properties seen :0 out of 1
Probabilistic random walk after 406074 steps, saw 249007 distinct states, run finished after 3001 ms. (steps per millisecond=135 ) properties seen :0
[2025-06-02 13:53:43] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:53:43] [INFO ] Invariant cache hit.
[2025-06-02 13:53:43] [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) 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) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/355 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 3/13 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) 598/953 variables, 332/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/953 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 62/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (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 508 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 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) 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) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/355 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 3/14 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) 598/953 variables, 332/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/953 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1091 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1091 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1097 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (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 677 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1197ms 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
Parikh walk visited 0 properties in 3881 ms.
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 66 ms. Remains : 416/416 places, 1206/1206 transitions.
RANDOM walk for 40000 steps (8 resets) in 251 ms. (158 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
Interrupted probabilistic random walk after 409999 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 409999 steps, saw 251411 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
[2025-06-02 13:53:51] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:53:51] [INFO ] Invariant cache hit.
[2025-06-02 13:53:51] [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) 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) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/355 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 3/13 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) 598/953 variables, 332/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/953 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 62/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (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 485 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 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) 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) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/355 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 3/14 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) 598/953 variables, 332/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/953 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1091 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1091 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1097 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (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 644 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1140ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 3912 ms.
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 70 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 70 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 68 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 13:53:56] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:53:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:53:57] [INFO ] Implicit Places using invariants in 490 ms returned []
[2025-06-02 13:53:57] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:53:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:53:57] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 13:53:59] [INFO ] Implicit Places using invariants and state equation in 2303 ms returned []
Implicit Place search using SMT with State Equation took 2794 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:53:59] [INFO ] Redundant transitions in 30 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 13:53:59] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 13:53:59] [INFO ] Invariant cache hit.
[2025-06-02 13:53:59] [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) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:54:15] [INFO ] Deduced a trap composed of 131 places in 208 ms of which 8 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80647e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Detected timeout of ITS tools.
[2025-06-02 13:54:30] [INFO ] Flatten gal took : 31 ms
[2025-06-02 13:54:30] [INFO ] Applying decomposition
[2025-06-02 13:54:30] [INFO ] Flatten gal took : 54 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/graph1052763363459590045.txt' '-o' '/tmp/graph1052763363459590045.bin' '-w' '/tmp/graph1052763363459590045.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1052763363459590045.bin' '-l' '-1' '-v' '-w' '/tmp/graph1052763363459590045.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:54:30] [INFO ] Decomposing Gal with order
[2025-06-02 13:54:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:54:30] [INFO ] Removed a total of 2060 redundant transitions.
[2025-06-02 13:54:30] [INFO ] Flatten gal took : 80 ms
[2025-06-02 13:54:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 833 labels/synchronizations in 46 ms.
[2025-06-02 13:54:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4479232507965743671.gal : 17 ms
[2025-06-02 13:54:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7224516993157110470.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/ReachabilityCardinality4479232507965743671.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7224516993157110470.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/ReachabilityCardinality7224516993157110470.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 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, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62551ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62555ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65458 ms. Remains : 416/416 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 525 transitions
Reduce isomorphic transitions removed 525 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 416 transition count 670
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 547 place count 405 transition count 670
Performed 69 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 69 Pre rules applied. Total rules applied 547 place count 405 transition count 601
Deduced a syphon composed of 69 places in 0 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 2 with 138 rules applied. Total rules applied 685 place count 336 transition count 601
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 939 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1003 place count 145 transition count 346
Iterating global reduction 2 with 64 rules applied. Total rules applied 1067 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 1068 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 1068 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 1070 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1133 place count 81 transition count 218
Iterating global reduction 3 with 63 rules applied. Total rules applied 1196 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1259 place count 18 transition count 92
Iterating global reduction 3 with 63 rules applied. Total rules applied 1322 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 1385 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 1385 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 1387 place count 17 transition count 28
Applied a total of 1387 rules in 35 ms. Remains 17 /416 variables (removed 399) and now considering 28/1206 (removed 1178) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 28 rows 17 cols
[2025-06-02 13:55:02] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:55:02] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-02 13:55:02] [INFO ] After 119ms 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 13:55:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 13:55:02] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 13:55:02] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 13:55:02] [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 13:55:02] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:55:02] [INFO ] After 51ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:55:02] [INFO ] Flatten gal took : 2 ms
[2025-06-02 13:55:02] [INFO ] Flatten gal took : 2 ms
[2025-06-02 13:55:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7999832874649719393.gal : 0 ms
[2025-06-02 13:55:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10177637504659132982.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/ReachabilityCardinality7999832874649719393.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10177637504659132982.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/ReachabilityCardinality10177637504659132982.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 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 2674
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2674 after 37587
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :37587 after 1.56351e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.56351e+06 after 4.63928e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.63928e+06 after 1.07789e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.07789e+07 after 2.30461e+07
Detected timeout of ITS tools.
[2025-06-02 13:55:17] [INFO ] Flatten gal took : 2 ms
[2025-06-02 13:55:17] [INFO ] Applying decomposition
[2025-06-02 13:55:17] [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/graph3640519677994448814.txt' '-o' '/tmp/graph3640519677994448814.bin' '-w' '/tmp/graph3640519677994448814.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3640519677994448814.bin' '-l' '-1' '-v' '-w' '/tmp/graph3640519677994448814.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:55:17] [INFO ] Decomposing Gal with order
[2025-06-02 13:55:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:55:17] [INFO ] Removed a total of 26 redundant transitions.
[2025-06-02 13:55:17] [INFO ] Flatten gal took : 5 ms
[2025-06-02 13:55:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-02 13:55:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12693404786881655330.gal : 1 ms
[2025-06-02 13:55:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9719347025150957224.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/ReachabilityCardinality12693404786881655330.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9719347025150957224.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/ReachabilityCardinality9719347025150957224.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 126
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30297 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[684] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-07 in 345290 ms.
Starting property specific reduction for FunctionPointer-PT-c032-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 13:55:32] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 13:55:32] [INFO ] Computed 3 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 42 ms. (232 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:[0] Max Struct:[+inf]
[2025-06-02 13:55:32] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 13:55:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:55:32] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:55:32] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-02 13:55:32] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 13:55:33] [INFO ] [Real]Added 94 Read/Feed constraints in 57 ms returned sat
[2025-06-02 13:55:33] [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 13:55:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 13:55:33] [INFO ] [Nat]Absence check using state equation in 289 ms returned sat
[2025-06-02 13:55:33] [INFO ] [Nat]Added 94 Read/Feed constraints in 54 ms returned sat
[2025-06-02 13:55:33] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 116 ms.
[2025-06-02 13:55:33] [INFO ] Added : 4 causal constraints over 2 iterations in 287 ms. Result :sat
Minimization took 372 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 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Graph (complete) has 2266 edges and 467 vertex of which 464 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 464 transition count 1322
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 458 transition count 1310
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 458 transition count 1310
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 24 place count 458 transition count 1304
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 31 place count 451 transition count 1286
Iterating global reduction 2 with 7 rules applied. Total rules applied 38 place count 451 transition count 1286
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 42 place count 451 transition count 1282
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 47 place count 446 transition count 1272
Iterating global reduction 3 with 5 rules applied. Total rules applied 52 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 56 place count 442 transition count 1262
Iterating global reduction 3 with 4 rules applied. Total rules applied 60 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 64 place count 438 transition count 1252
Iterating global reduction 3 with 4 rules applied. Total rules applied 68 place count 438 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 72 place count 434 transition count 1244
Iterating global reduction 3 with 4 rules applied. Total rules applied 76 place count 434 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 80 place count 430 transition count 1236
Iterating global reduction 3 with 4 rules applied. Total rules applied 84 place count 430 transition count 1236
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 88 place count 426 transition count 1228
Iterating global reduction 3 with 4 rules applied. Total rules applied 92 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 94 place count 424 transition count 1224
Iterating global reduction 3 with 2 rules applied. Total rules applied 96 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 98 place count 422 transition count 1220
Iterating global reduction 3 with 2 rules applied. Total rules applied 100 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 101 place count 421 transition count 1218
Iterating global reduction 3 with 1 rules applied. Total rules applied 102 place count 421 transition count 1218
Applied a total of 102 rules in 203 ms. Remains 421 /467 variables (removed 46) and now considering 1218/1327 (removed 109) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203 ms. Remains : 421/467 places, 1218/1327 transitions.
[2025-06-02 13:55:34] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {233=1, 324=1, 522=1, 683=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 13:55:34] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2025-06-02 13:55:34] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 3871 ms. (258 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1119 ms. (892 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[495] Max Struct:[+inf]
[2025-06-02 13:55:39] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:55:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:55:39] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:55:40] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2025-06-02 13:55:40] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:55:40] [INFO ] [Real]Added 75 Read/Feed constraints in 54 ms returned sat
[2025-06-02 13:55:40] [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 13:55:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:55:40] [INFO ] [Nat]Absence check using state equation in 277 ms returned sat
[2025-06-02 13:55:40] [INFO ] [Nat]Added 75 Read/Feed constraints in 53 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:55:41] [INFO ] Deduced a trap composed of 70 places in 477 ms of which 34 ms to minimize.
[2025-06-02 13:55:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 533 ms
[2025-06-02 13:55:41] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 114 ms.
[2025-06-02 13:55:41] [INFO ] Added : 9 causal constraints over 3 iterations in 411 ms. Result :sat
Minimization took 350 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[495] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[495] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 60 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 66 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 13:55:42] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:55:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:55:42] [INFO ] Implicit Places using invariants in 672 ms returned []
[2025-06-02 13:55:42] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:55:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:55:43] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:55:46] [INFO ] Implicit Places using invariants and state equation in 3304 ms returned []
Implicit Place search using SMT with State Equation took 3978 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:55:46] [INFO ] Redundant transitions in 31 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 13:55:46] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:55:46] [INFO ] Invariant cache hit.
[2025-06-02 13:55:46] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:56:08] [INFO ] Deduced a trap composed of 131 places in 246 ms of which 9 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 62468ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62471ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66557 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 13:56:48] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {233=1, 324=1, 522=1, 683=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[495] Max Struct:[+inf]
[2025-06-02 13:56:49] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:56:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[495] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3959 ms. (252 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1130 ms. (884 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[495] Max Struct:[+inf]
[2025-06-02 13:56:54] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:56:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:56:54] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:56:54] [INFO ] [Real]Absence check using state equation in 282 ms returned sat
[2025-06-02 13:56:54] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:56:54] [INFO ] [Real]Added 75 Read/Feed constraints in 53 ms returned sat
[2025-06-02 13:56:54] [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 13:56:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 13:56:55] [INFO ] [Nat]Absence check using state equation in 270 ms returned sat
[2025-06-02 13:56:55] [INFO ] [Nat]Added 75 Read/Feed constraints in 54 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:56:55] [INFO ] Deduced a trap composed of 70 places in 471 ms of which 34 ms to minimize.
[2025-06-02 13:56:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 528 ms
[2025-06-02 13:56:55] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 107 ms.
[2025-06-02 13:56:56] [INFO ] Added : 9 causal constraints over 3 iterations in 394 ms. Result :sat
Minimization took 374 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[495] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[495] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 61 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 61 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 13:56:56] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:56:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:56:57] [INFO ] Implicit Places using invariants in 678 ms returned []
[2025-06-02 13:56:57] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:56:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:56:57] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:57:00] [INFO ] Implicit Places using invariants and state equation in 3480 ms returned []
Implicit Place search using SMT with State Equation took 4160 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:57:00] [INFO ] Redundant transitions in 32 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 13:57:00] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:57:00] [INFO ] Invariant cache hit.
[2025-06-02 13:57:00] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:57:22] [INFO ] Deduced a trap composed of 131 places in 214 ms of which 8 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
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(s241 0.0)
(s242 0.0)
(s243 0.0)
(s244 0.0)
(s245 0.0)
(s246 0.0)
(s247 0.0)
(s248 0.0)
(s249 0.0)
(s250 0.0)
(s251 0.0)
(s252 0.0)
(s253 0.0)
(s254 0.0)
(s255 0.0)
(s256 0.0)
(s257 0.0)
(s258 0.0)
(s259 0.0)
(s260 0.0)
(s261 0.0)
(s262 1.0)
(s263 0.0)
(s264 1.0)
(s265 0.0)
(s266 0.0)
(s267 0.0)
(s268 0.0)
(s269 0.0)
(s270 0.0)
(s271 0.0)
(s272 1.0)
(s273 0.0)
(s274 0.0)
(s275 1.0)
(s276 0.0)
(s277 0.0)
(s278 0.0)
(s279 0.0)
(s280 0.0)
(s281 0.0)
(s282 0.0)
(s283 0.0)
(s284 0.0)
(s285 0.0)
(s286 0.0)
(s287 0.0)
(s288 1.0)
(s289 0.0)
(s290 0.0)
(s291 0.0)
(s292 1.0)
(s293 0.0)
(s294 1.0)
(s295 0.0)
(s296 0.0)
(s297 0.0)
(s298 0.0)
(s299 1.0)
(s300 0.0)
(s301 0.0)
(s302 0.0)
(s303 1.0)
(s304 1.0)
(s305 1.0)
(s306 0.0)
(s307 0.0)
(s308 1.0)
(s309 0.0)
(s310 0.0)
(s311 1.0)
(s312 1.0)
(s313 0.0)
(s314 1.0)
(s315 1.0)
(s316 1.0)
(s317 1.0)
(s318 1.0)
(s319 1.0)
(s320 1.0)
(s321 1.0)
(s322 1.0)
(s323 1.0)
(s324 1.0)
(s325 1.0)
(s326 1.0)
(s327 1.0)
(s328 1.0)
(s329 1.0)
(s330 1.0)
(s331 1.0)
(s332 0.0)
(s333 0.0)
(s334 0.0)
(s335 0.0)
(s336 1.0)
(s337 1.0)
(s338 1.0)
(s339 1.0)
(s340 1.0)
(s341 1.0)
(s342 1.0)
(s343 1.0)
(s344 1.0)
(s345 1.0)
(s346 1.0)
(s347 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 62430ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62433ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66697 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 13:58:03] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {233=1, 324=1, 522=1, 683=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[495] Max Struct:[+inf]
[2025-06-02 13:58:03] [INFO ] Flatten gal took : 32 ms
[2025-06-02 13:58:03] [INFO ] Flatten gal took : 48 ms
[2025-06-02 13:58:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16115121788473161316.gal : 6 ms
[2025-06-02 13:58:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16607223830519176696.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/ReachabilityCardinality16115121788473161316.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16607223830519176696.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
RANDOM walk for 40003 steps (8 resets) in 319 ms. (125 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality16607223830519176696.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 394748 steps, run timeout after 3001 ms. (steps per millisecond=131 ) properties seen :0 out of 1
Probabilistic random walk after 394748 steps, saw 242062 distinct states, run finished after 3001 ms. (steps per millisecond=131 ) properties seen :0
[2025-06-02 13:58:06] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:58:06] [INFO ] Invariant cache hit.
[2025-06-02 13:58:06] [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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 556 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 616 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1214ms 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
Parikh walk visited 0 properties in 5259 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 59 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 421/421 places, 1218/1218 transitions.
RANDOM walk for 40006 steps (8 resets) in 288 ms. (138 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 384823 steps, run timeout after 3001 ms. (steps per millisecond=128 ) properties seen :0 out of 1
Probabilistic random walk after 384823 steps, saw 235976 distinct states, run finished after 3001 ms. (steps per millisecond=128 ) properties seen :0
[2025-06-02 13:58:16] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:58:16] [INFO ] Invariant cache hit.
[2025-06-02 13:58:16] [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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 569 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 651 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1245ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 5503 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 70 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 73 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 13:58:23] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:58:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:58:23] [INFO ] Implicit Places using invariants in 558 ms returned []
[2025-06-02 13:58:23] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:58:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:58:24] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 13:58:27] [INFO ] Implicit Places using invariants and state equation in 3395 ms returned []
Implicit Place search using SMT with State Equation took 3957 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:58:27] [INFO ] Redundant transitions in 33 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 13:58:27] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 13:58:27] [INFO ] Invariant cache hit.
[2025-06-02 13:58:27] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80647e+17
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:58:49] [INFO ] Deduced a trap composed of 131 places in 225 ms of which 7 ms to minimize.
Detected timeout of ITS tools.
[2025-06-02 13:58:53] [INFO ] Flatten gal took : 60 ms
[2025-06-02 13:58:53] [INFO ] Applying decomposition
[2025-06-02 13:58:54] [INFO ] Flatten gal took : 31 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/graph1779945981968569250.txt' '-o' '/tmp/graph1779945981968569250.bin' '-w' '/tmp/graph1779945981968569250.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1779945981968569250.bin' '-l' '-1' '-v' '-w' '/tmp/graph1779945981968569250.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:58:54] [INFO ] Decomposing Gal with order
[2025-06-02 13:58:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:58:54] [INFO ] Removed a total of 2079 redundant transitions.
[2025-06-02 13:58:54] [INFO ] Flatten gal took : 66 ms
[2025-06-02 13:58:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 845 labels/synchronizations in 39 ms.
[2025-06-02 13:58:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality846102548367675681.gal : 11 ms
[2025-06-02 13:58:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15867193868433563516.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/ReachabilityCardinality846102548367675681.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15867193868433563516.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/ReachabilityCardinality15867193868433563516.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SMT process timed out in 62707ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62710ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66781 ms. Remains : 421/421 places, 1218/1218 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 530 transitions
Reduce isomorphic transitions removed 530 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 540 rules applied. Total rules applied 540 place count 421 transition count 678
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 550 place count 411 transition count 678
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 550 place count 411 transition count 605
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 696 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 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 950 place count 211 transition count 478
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1014 place count 147 transition count 350
Iterating global reduction 2 with 64 rules applied. Total rules applied 1078 place count 147 transition count 350
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1079 place count 147 transition count 349
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1142 place count 84 transition count 223
Iterating global reduction 3 with 63 rules applied. Total rules applied 1205 place count 84 transition count 223
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1268 place count 21 transition count 97
Iterating global reduction 3 with 63 rules applied. Total rules applied 1331 place count 21 transition count 97
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1394 place count 21 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1394 place count 21 transition count 33
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 20 transition count 33
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 1398 place count 19 transition count 32
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1399 place count 19 transition count 31
Applied a total of 1399 rules in 64 ms. Remains 19 /421 variables (removed 402) and now considering 31/1218 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-02 13:59:30] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:59:30] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 13:59:30] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 13:59:30] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 13:59:30] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 13:59:30] [INFO ] After 48ms 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 13:59:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 13:59:30] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 13:59:30] [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 13:59:30] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:59:30] [INFO ] After 53ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:59:30] [INFO ] Flatten gal took : 3 ms
[2025-06-02 13:59:30] [INFO ] Flatten gal took : 1 ms
[2025-06-02 13:59:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality621304829648368016.gal : 1 ms
[2025-06-02 13:59:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5776047091760077423.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/ReachabilityCardinality621304829648368016.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5776047091760077423.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality5776047091760077423.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 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 6339
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6339 after 426547
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :426547 after 1.19848e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.19848e+06 after 2.73637e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.73637e+06 after 5.80616e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.80616e+06 after 1.19398e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.19398e+07 after 2.4201e+07
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2025-06-02 13:59:45] [INFO ] Flatten gal took : 1 ms
[2025-06-02 13:59:45] [INFO ] Applying decomposition
[2025-06-02 13:59:45] [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/graph12377111994505333951.txt' '-o' '/tmp/graph12377111994505333951.bin' '-w' '/tmp/graph12377111994505333951.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12377111994505333951.bin' '-l' '-1' '-v' '-w' '/tmp/graph12377111994505333951.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:59:45] [INFO ] Decomposing Gal with order
[2025-06-02 13:59:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:59:45] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 13:59:45] [INFO ] Flatten gal took : 2 ms
[2025-06-02 13:59:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2025-06-02 13:59:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality642541099394565313.gal : 1 ms
[2025-06-02 13:59:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16983534912762225007.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/ReachabilityCardinality642541099394565313.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16983534912762225007.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/ReachabilityCardinality16983534912762225007.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 126
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30241 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[495] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-09 in 267903 ms.
Starting property specific reduction for FunctionPointer-PT-c032-UpperBounds-10
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 14:00:00] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 14:00:00] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 43 ms. (227 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:[0] Max Struct:[+inf]
[2025-06-02 14:00:00] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 14:00:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 14:00:00] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:00:00] [INFO ] [Real]Absence check using state equation in 302 ms returned sat
[2025-06-02 14:00:00] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 14:00:00] [INFO ] [Real]Added 94 Read/Feed constraints in 49 ms returned sat
[2025-06-02 14:00:00] [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 14:00:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:00:01] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-02 14:00:01] [INFO ] [Nat]Added 94 Read/Feed constraints in 51 ms returned sat
[2025-06-02 14:00:01] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 113 ms.
[2025-06-02 14:00:01] [INFO ] Added : 1 causal constraints over 1 iterations in 224 ms. Result :sat
Minimization took 371 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 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Graph (complete) has 2266 edges and 467 vertex of which 464 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 464 transition count 1322
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 458 transition count 1310
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 458 transition count 1310
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 22 place count 458 transition count 1306
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 29 place count 451 transition count 1286
Iterating global reduction 2 with 7 rules applied. Total rules applied 36 place count 451 transition count 1286
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 40 place count 451 transition count 1282
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 46 place count 445 transition count 1270
Iterating global reduction 3 with 6 rules applied. Total rules applied 52 place count 445 transition count 1270
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 57 place count 440 transition count 1258
Iterating global reduction 3 with 5 rules applied. Total rules applied 62 place count 440 transition count 1258
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 67 place count 435 transition count 1246
Iterating global reduction 3 with 5 rules applied. Total rules applied 72 place count 435 transition count 1246
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 77 place count 430 transition count 1236
Iterating global reduction 3 with 5 rules applied. Total rules applied 82 place count 430 transition count 1236
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 87 place count 425 transition count 1226
Iterating global reduction 3 with 5 rules applied. Total rules applied 92 place count 425 transition count 1226
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 97 place count 420 transition count 1216
Iterating global reduction 3 with 5 rules applied. Total rules applied 102 place count 420 transition count 1216
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 104 place count 418 transition count 1212
Iterating global reduction 3 with 2 rules applied. Total rules applied 106 place count 418 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 108 place count 416 transition count 1208
Iterating global reduction 3 with 2 rules applied. Total rules applied 110 place count 416 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 111 place count 415 transition count 1206
Iterating global reduction 3 with 1 rules applied. Total rules applied 112 place count 415 transition count 1206
Applied a total of 112 rules in 200 ms. Remains 415 /467 variables (removed 52) and now considering 1206/1327 (removed 121) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 201 ms. Remains : 415/467 places, 1206/1327 transitions.
[2025-06-02 14:00:02] [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 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 14:00:02] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2025-06-02 14:00:02] [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 3822 ms. (261 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1120 ms. (892 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[729] Max Struct:[+inf]
[2025-06-02 14:00:07] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:00:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:00:07] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:00:08] [INFO ] [Real]Absence check using state equation in 270 ms returned sat
[2025-06-02 14:00:08] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 14:00:08] [INFO ] [Real]Added 74 Read/Feed constraints in 41 ms returned sat
[2025-06-02 14:00:08] [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 14:00:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:00:08] [INFO ] [Nat]Absence check using state equation in 274 ms returned sat
[2025-06-02 14:00:08] [INFO ] [Nat]Added 74 Read/Feed constraints in 45 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:00:09] [INFO ] Deduced a trap composed of 70 places in 481 ms of which 35 ms to minimize.
[2025-06-02 14:00:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 538 ms
[2025-06-02 14:00:09] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 104 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:00:10] [INFO ] Deduced a trap composed of 70 places in 490 ms of which 49 ms to minimize.
[2025-06-02 14:00:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 561 ms
[2025-06-02 14:00:10] [INFO ] Added : 5 causal constraints over 2 iterations in 885 ms. Result :sat
Minimization took 353 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[729] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[729] 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 69 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 70 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 63 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 14:00:13] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:00:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:00:14] [INFO ] Implicit Places using invariants in 668 ms returned []
[2025-06-02 14:00:14] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:00:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:00:14] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 14:00:16] [INFO ] Implicit Places using invariants and state equation in 2605 ms returned []
Implicit Place search using SMT with State Equation took 3275 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:00:16] [INFO ] Redundant transitions in 30 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 14:00:16] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:00:16] [INFO ] Invariant cache hit.
[2025-06-02 14:00:16] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:00:38] [INFO ] Deduced a trap composed of 131 places in 225 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 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 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30026 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: 1/1 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, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62396ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62399ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65777 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 14:01:19] [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 102 ms. (steps per millisecond=98 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[729] Max Struct:[+inf]
[2025-06-02 14:01:19] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:01:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[729] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3975 ms. (251 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1105 ms. (904 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[731] Max Struct:[+inf]
[2025-06-02 14:01:24] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:01:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:01:25] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:01:25] [INFO ] [Real]Absence check using state equation in 268 ms returned sat
[2025-06-02 14:01:25] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 14:01:25] [INFO ] [Real]Added 74 Read/Feed constraints in 41 ms returned sat
[2025-06-02 14:01:25] [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 14:01:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:01:25] [INFO ] [Nat]Absence check using state equation in 274 ms returned sat
[2025-06-02 14:01:25] [INFO ] [Nat]Added 74 Read/Feed constraints in 43 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:01:26] [INFO ] Deduced a trap composed of 70 places in 473 ms of which 33 ms to minimize.
[2025-06-02 14:01:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 525 ms
[2025-06-02 14:01:26] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 103 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:01:27] [INFO ] Deduced a trap composed of 70 places in 495 ms of which 49 ms to minimize.
[2025-06-02 14:01:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 561 ms
[2025-06-02 14:01:27] [INFO ] Added : 5 causal constraints over 2 iterations in 885 ms. Result :sat
Minimization took 358 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[731] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[731] 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 66 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 65 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 14:01:30] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:01:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:01:31] [INFO ] Implicit Places using invariants in 671 ms returned []
[2025-06-02 14:01:31] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:01:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:01:31] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 14:01:33] [INFO ] Implicit Places using invariants and state equation in 2689 ms returned []
Implicit Place search using SMT with State Equation took 3363 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:01:33] [INFO ] Redundant transitions in 29 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 14:01:33] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:01:33] [INFO ] Invariant cache hit.
[2025-06-02 14:01:33] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:01:54] [INFO ] Deduced a trap composed of 131 places in 210 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
(s327 1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s327 1.0timeout
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 4 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: 1/1 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, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62429ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62431ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65896 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 14:02:36] [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 97 ms. (steps per millisecond=103 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[731] Max Struct:[+inf]
[2025-06-02 14:02:37] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:02:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[731] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 3842 ms. (260 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 1091 ms. (915 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[731] Max Struct:[+inf]
[2025-06-02 14:02:41] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:02:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:02:42] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 14:02:42] [INFO ] [Real]Absence check using state equation in 265 ms returned sat
[2025-06-02 14:02:42] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 14:02:42] [INFO ] [Real]Added 74 Read/Feed constraints in 40 ms returned sat
[2025-06-02 14:02:42] [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 14:02:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:02:42] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
[2025-06-02 14:02:42] [INFO ] [Nat]Added 74 Read/Feed constraints in 48 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:02:43] [INFO ] Deduced a trap composed of 70 places in 458 ms of which 32 ms to minimize.
[2025-06-02 14:02:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 509 ms
[2025-06-02 14:02:43] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 99 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:02:44] [INFO ] Deduced a trap composed of 70 places in 497 ms of which 49 ms to minimize.
[2025-06-02 14:02:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 571 ms
[2025-06-02 14:02:44] [INFO ] Added : 5 causal constraints over 2 iterations in 884 ms. Result :sat
Minimization took 343 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[731] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[731] 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 60 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 60 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 59 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 14:02:47] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:02:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:02:48] [INFO ] Implicit Places using invariants in 684 ms returned []
[2025-06-02 14:02:48] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:02:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:02:48] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 14:02:50] [INFO ] Implicit Places using invariants and state equation in 2520 ms returned []
Implicit Place search using SMT with State Equation took 3207 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:02:50] [INFO ] Redundant transitions in 30 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 14:02:50] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:02:50] [INFO ] Invariant cache hit.
[2025-06-02 14:02:50] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:03:12] [INFO ] Deduced a trap composed of 131 places in 216 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s211 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 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30026 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: 1/1 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, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62485ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62488ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65791 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 14:03:53] [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 98 ms. (steps per millisecond=102 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[731] Max Struct:[+inf]
[2025-06-02 14:03:53] [INFO ] Flatten gal took : 49 ms
[2025-06-02 14:03:53] [INFO ] Flatten gal took : 31 ms
RANDOM walk for 40011 steps (8 resets) in 276 ms. (144 steps per ms) remains 1/1 properties
[2025-06-02 14:03:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4984967650740439446.gal : 6 ms
[2025-06-02 14:03:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality674452578522130929.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/ReachabilityCardinality4984967650740439446.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality674452578522130929.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality674452578522130929.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 403328 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 1
Probabilistic random walk after 403328 steps, saw 247322 distinct states, run finished after 3001 ms. (steps per millisecond=134 ) properties seen :0
[2025-06-02 14:03:56] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:03:56] [INFO ] Invariant cache hit.
[2025-06-02 14:03:56] [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 589 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 719 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 1331ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2493 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 60 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 61 ms. Remains : 415/415 places, 1206/1206 transitions.
RANDOM walk for 40003 steps (8 resets) in 296 ms. (134 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 52 ms. (754 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 406417 steps, run timeout after 3001 ms. (steps per millisecond=135 ) properties seen :0 out of 1
Probabilistic random walk after 406417 steps, saw 249215 distinct states, run finished after 3001 ms. (steps per millisecond=135 ) properties seen :0
[2025-06-02 14:04:03] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:04:03] [INFO ] Invariant cache hit.
[2025-06-02 14:04:03] [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 580 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 710 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 1315ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2497 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 59 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 59 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 58 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 14:04:07] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:04:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:04:08] [INFO ] Implicit Places using invariants in 565 ms returned []
[2025-06-02 14:04:08] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:04:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:04:08] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 14:04:11] [INFO ] Implicit Places using invariants and state equation in 2643 ms returned []
Implicit Place search using SMT with State Equation took 3228 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:04:11] [INFO ] Redundant transitions in 30 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 14:04:11] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 14:04:11] [INFO ] Invariant cache hit.
[2025-06-02 14:04:11] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:04:32] [INFO ] Deduced a trap composed of 131 places in 227 ms of which 7 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80647e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 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 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30025 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: 1/1 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
Detected timeout of ITS tools.
[2025-06-02 14:04:44] [INFO ] Flatten gal took : 31 ms
[2025-06-02 14:04:44] [INFO ] Applying decomposition
[2025-06-02 14:04:44] [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/graph7275005723394789638.txt' '-o' '/tmp/graph7275005723394789638.bin' '-w' '/tmp/graph7275005723394789638.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7275005723394789638.bin' '-l' '-1' '-v' '-w' '/tmp/graph7275005723394789638.weights' '-q' '0' '-e' '0.001'
[2025-06-02 14:04:44] [INFO ] Decomposing Gal with order
[2025-06-02 14:04:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 14:04:44] [INFO ] Removed a total of 2065 redundant transitions.
[2025-06-02 14:04:44] [INFO ] Flatten gal took : 65 ms
[2025-06-02 14:04:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 881 labels/synchronizations in 29 ms.
[2025-06-02 14:04:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13253883258738031569.gal : 7 ms
[2025-06-02 14:04:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9055724828931723471.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/ReachabilityCardinality13253883258738031569.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9055724828931723471.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/ReachabilityCardinality9055724828931723471.prop.
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, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SMT process timed out in 62446ms, After SMT, problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62450ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65778 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 1 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 4 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 44 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 14:05:13] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 14:05:13] [INFO ] [Real]Absence check using 3 positive place invariants in 27 ms returned sat
[2025-06-02 14:05:13] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 14:05:13] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 14:05:13] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 14:05:13] [INFO ] After 126ms 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 14:05:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 14:05:13] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 14:05:13] [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 14:05:13] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 14:05:13] [INFO ] After 49ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 14:05:13] [INFO ] Flatten gal took : 1 ms
[2025-06-02 14:05:13] [INFO ] Flatten gal took : 1 ms
[2025-06-02 14:05:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9651079245459322536.gal : 1 ms
[2025-06-02 14:05:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3616460228609693413.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/ReachabilityCardinality9651079245459322536.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3616460228609693413.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/ReachabilityCardinality3616460228609693413.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 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 2674
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2674 after 26178
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :26178 after 3.00733e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.00733e+06 after 9.15888e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.15888e+06 after 2.14381e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.14381e+07 after 4.59725e+07
Detected timeout of ITS tools.
[2025-06-02 14:05:28] [INFO ] Flatten gal took : 1 ms
[2025-06-02 14:05:28] [INFO ] Applying decomposition
[2025-06-02 14:05:28] [INFO ] Flatten gal took : 18 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/graph2012611071271064064.txt' '-o' '/tmp/graph2012611071271064064.bin' '-w' '/tmp/graph2012611071271064064.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2012611071271064064.bin' '-l' '-1' '-v' '-w' '/tmp/graph2012611071271064064.weights' '-q' '0' '-e' '0.001'
[2025-06-02 14:05:28] [INFO ] Decomposing Gal with order
[2025-06-02 14:05:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 14:05:28] [INFO ] Removed a total of 17 redundant transitions.
[2025-06-02 14:05:28] [INFO ] Flatten gal took : 2 ms
[2025-06-02 14:05:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-02 14:05:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14422446289279843617.gal : 0 ms
[2025-06-02 14:05:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16755098657732926444.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/ReachabilityCardinality14422446289279843617.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16755098657732926444.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/ReachabilityCardinality16755098657732926444.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 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 5346
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :5346 after 26178
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :26178 after 2.02674e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2.02674e+07 after 1.72078e+09
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.72078e+09 after 2.88846e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.88846e+10 after 3.13047e+11
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30329 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[731] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-10 in 343537 ms.
Starting property specific reduction for FunctionPointer-PT-c032-UpperBounds-11
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 14:05:43] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 14:05:43] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 43 ms. (227 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:[0] Max Struct:[+inf]
[2025-06-02 14:05:43] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 14:05:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 14:05:44] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:05:44] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-02 14:05:44] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 14:05:44] [INFO ] [Real]Added 94 Read/Feed constraints in 38 ms returned sat
[2025-06-02 14:05:44] [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 14:05:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:05:44] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-02 14:05:44] [INFO ] [Nat]Added 94 Read/Feed constraints in 40 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:05:45] [INFO ] Deduced a trap composed of 76 places in 529 ms of which 37 ms to minimize.
[2025-06-02 14:05:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 598 ms
[2025-06-02 14:05:45] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 116 ms.
[2025-06-02 14:05:45] [INFO ] Added : 2 causal constraints over 1 iterations in 228 ms. Result :sat
Minimization took 442 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:[2] Max Struct:[+inf]
Support contains 1 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 460 transition count 1313
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 460 transition count 1313
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 20 place count 460 transition count 1307
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 28 place count 452 transition count 1285
Iterating global reduction 1 with 8 rules applied. Total rules applied 36 place count 452 transition count 1285
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 40 place count 452 transition count 1281
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 46 place count 446 transition count 1269
Iterating global reduction 2 with 6 rules applied. Total rules applied 52 place count 446 transition count 1269
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 57 place count 441 transition count 1257
Iterating global reduction 2 with 5 rules applied. Total rules applied 62 place count 441 transition count 1257
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 67 place count 436 transition count 1245
Iterating global reduction 2 with 5 rules applied. Total rules applied 72 place count 436 transition count 1245
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 77 place count 431 transition count 1235
Iterating global reduction 2 with 5 rules applied. Total rules applied 82 place count 431 transition count 1235
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 87 place count 426 transition count 1225
Iterating global reduction 2 with 5 rules applied. Total rules applied 92 place count 426 transition count 1225
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 97 place count 421 transition count 1215
Iterating global reduction 2 with 5 rules applied. Total rules applied 102 place count 421 transition count 1215
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 104 place count 419 transition count 1211
Iterating global reduction 2 with 2 rules applied. Total rules applied 106 place count 419 transition count 1211
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 108 place count 417 transition count 1207
Iterating global reduction 2 with 2 rules applied. Total rules applied 110 place count 417 transition count 1207
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 111 place count 416 transition count 1205
Iterating global reduction 2 with 1 rules applied. Total rules applied 112 place count 416 transition count 1205
Applied a total of 112 rules in 232 ms. Remains 416 /467 variables (removed 51) and now considering 1205/1327 (removed 122) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 232 ms. Remains : 416/467 places, 1205/1327 transitions.
[2025-06-02 14:05:46] [INFO ] Flow matrix only has 680 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 {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 14:05:47] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
// Phase 1: matrix 680 rows 416 cols
[2025-06-02 14:05:47] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3572 ms. (279 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1052 ms. (949 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19] Max Struct:[+inf]
[2025-06-02 14:05:51] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:05:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:05:51] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 14:05:51] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2025-06-02 14:05:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:05:52] [INFO ] [Real]Added 75 Read/Feed constraints in 41 ms returned sat
[2025-06-02 14:05:52] [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 14:05:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:05:52] [INFO ] [Nat]Absence check using state equation in 254 ms returned sat
[2025-06-02 14:05:52] [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 14:05:52] [INFO ] Deduced a trap composed of 69 places in 444 ms of which 31 ms to minimize.
[2025-06-02 14:05:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 501 ms
[2025-06-02 14:05:53] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 97 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:05:53] [INFO ] Deduced a trap composed of 69 places in 425 ms of which 30 ms to minimize.
[2025-06-02 14:05:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 487 ms
[2025-06-02 14:05:53] [INFO ] Added : 5 causal constraints over 2 iterations in 772 ms. Result :sat
Minimization took 366 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[32] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 60 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 78 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-02 14:05:54] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:05:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:05:55] [INFO ] Implicit Places using invariants in 663 ms returned []
[2025-06-02 14:05:55] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:05:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:05:55] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:05:58] [INFO ] Implicit Places using invariants and state equation in 3240 ms returned []
Implicit Place search using SMT with State Equation took 3904 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:05:58] [INFO ] Redundant transitions in 29 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-02 14:05:58] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:05:58] [INFO ] Invariant cache hit.
[2025-06-02 14:05:58] [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) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:06:15] [INFO ] Deduced a trap composed of 131 places in 208 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 3 (OVERLAPS) 680/1096 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
SMT process timed out in 62312ms, After SMT, problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62318ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66345 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-02 14:07:00] [INFO ] Flow matrix only has 680 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 {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[32] Max Struct:[+inf]
[2025-06-02 14:07:01] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:07:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[32] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3823 ms. (261 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1116 ms. (895 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[32] Max Struct:[+inf]
[2025-06-02 14:07:06] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:07:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:07:06] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:07:06] [INFO ] [Real]Absence check using state equation in 274 ms returned sat
[2025-06-02 14:07:06] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:07:06] [INFO ] [Real]Added 75 Read/Feed constraints in 60 ms returned sat
[2025-06-02 14:07:06] [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 14:07:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 14:07:06] [INFO ] [Nat]Absence check using state equation in 267 ms returned sat
[2025-06-02 14:07:07] [INFO ] [Nat]Added 75 Read/Feed constraints in 80 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:07:07] [INFO ] Deduced a trap composed of 69 places in 492 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:07:08] [INFO ] Deduced a trap composed of 69 places in 473 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:07:08] [INFO ] Deduced a trap composed of 131 places in 365 ms of which 11 ms to minimize.
[2025-06-02 14:07:08] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1439 ms
[2025-06-02 14:07:08] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 102 ms.
[2025-06-02 14:07:08] [INFO ] Added : 6 causal constraints over 2 iterations in 242 ms. Result :sat
Minimization took 382 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[32] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[32] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 59 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 58 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-02 14:07:09] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:07:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:07:10] [INFO ] Implicit Places using invariants in 716 ms returned []
[2025-06-02 14:07:10] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:07:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:07:10] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:07:13] [INFO ] Implicit Places using invariants and state equation in 3605 ms returned []
Implicit Place search using SMT with State Equation took 4323 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:07:13] [INFO ] Redundant transitions in 30 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-02 14:07:13] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:07:13] [INFO ] Invariant cache hit.
[2025-06-02 14:07:13] [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, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:07:30] [INFO ] Deduced a trap composed of 131 places in 222 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 3 (OVERLAPS) 680/1096 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
SMT process timed out in 62219ms, After SMT, problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62221ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66640 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-02 14:08:15] [INFO ] Flow matrix only has 680 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 {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[32] Max Struct:[+inf]
[2025-06-02 14:08:16] [INFO ] Flatten gal took : 59 ms
RANDOM walk for 40000 steps (8 resets) in 407 ms. (98 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
[2025-06-02 14:08:16] [INFO ] Flatten gal took : 62 ms
[2025-06-02 14:08:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9590184230816867585.gal : 6 ms
[2025-06-02 14:08:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3491149379038042128.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/ReachabilityCardinality9590184230816867585.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3491149379038042128.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/ReachabilityCardinality3491149379038042128.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 392040 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 392040 steps, saw 240401 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2025-06-02 14:08:19] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:08:19] [INFO ] Invariant cache hit.
[2025-06-02 14:08:19] [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) 340/348 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/354 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/354 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/354 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 598/952 variables, 333/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/952 variables, 74/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1082 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1082 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 8/1090 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1090 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/1096 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1096 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1096 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1096/1096 variables, and 494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 559 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 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) 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) 340/348 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/354 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/354 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/354 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 598/952 variables, 333/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 74/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1082 variables, 66/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1090 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1090 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1096 variables, 4/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1096 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1096 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1096/1096 variables, and 495 constraints, problems are : Problem set: 0 solved, 1 unsolved in 743 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 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 1327ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 251 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 63 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 416/416 places, 1205/1205 transitions.
RANDOM walk for 40003 steps (8 resets) in 230 ms. (173 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 388781 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 1
Probabilistic random walk after 388781 steps, saw 238402 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
[2025-06-02 14:08:24] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 14:08:24] [INFO ] Invariant cache hit.
[2025-06-02 14:08:24] [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) 340/348 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/354 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/354 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/354 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 598/952 variables, 333/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/952 variables, 74/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1082 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1082 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 8/1090 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1090 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/1096 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1096 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1096 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1096/1096 variables, and 494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 544 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 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 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) 340/348 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/354 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/354 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/354 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 598/952 variables, 333/346 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 13 (INCLUDED_ONLY) 0/952 variables, 74/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1082 variables, 66/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1090 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1090 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1096 variables, 4/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1096 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1096 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1096/1096 variables, and 495 constraints, problems are : Problem set: 0 solved, 1 unsolved in 721 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 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 1298ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3865 steps, including 13 resets, run visited all 1 properties in 31 ms. (steps per millisecond=124 )
Parikh walk visited 1 properties in 40 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:[32] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-11 in 161721 ms.
Starting property specific reduction for FunctionPointer-PT-c032-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 14:08:25] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 14:08:25] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 43 ms. (227 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:[8] Max Struct:[+inf]
[2025-06-02 14:08:25] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 14:08:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 14:08:25] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 14:08:26] [INFO ] [Real]Absence check using state equation in 307 ms returned sat
[2025-06-02 14:08:26] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 14:08:26] [INFO ] [Real]Added 94 Read/Feed constraints in 52 ms returned sat
[2025-06-02 14:08:26] [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 14:08:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:08:26] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-02 14:08:26] [INFO ] [Nat]Added 94 Read/Feed constraints in 71 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:08:27] [INFO ] Deduced a trap composed of 76 places in 525 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:08:27] [INFO ] Deduced a trap composed of 82 places in 529 ms of which 38 ms to minimize.
[2025-06-02 14:08:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1140 ms
[2025-06-02 14:08:27] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 141 ms.
[2025-06-02 14:08:28] [INFO ] Added : 6 causal constraints over 3 iterations in 368 ms. Result :sat
Minimization took 383 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Graph (complete) has 2266 edges and 467 vertex of which 464 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 464 transition count 1322
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 458 transition count 1310
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 458 transition count 1310
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 22 place count 458 transition count 1306
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 29 place count 451 transition count 1286
Iterating global reduction 2 with 7 rules applied. Total rules applied 36 place count 451 transition count 1286
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 40 place count 451 transition count 1282
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 45 place count 446 transition count 1272
Iterating global reduction 3 with 5 rules applied. Total rules applied 50 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 54 place count 442 transition count 1264
Iterating global reduction 3 with 4 rules applied. Total rules applied 58 place count 442 transition count 1264
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 62 place count 438 transition count 1254
Iterating global reduction 3 with 4 rules applied. Total rules applied 66 place count 438 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 70 place count 434 transition count 1246
Iterating global reduction 3 with 4 rules applied. Total rules applied 74 place count 434 transition count 1246
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 78 place count 430 transition count 1238
Iterating global reduction 3 with 4 rules applied. Total rules applied 82 place count 430 transition count 1238
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 86 place count 426 transition count 1230
Iterating global reduction 3 with 4 rules applied. Total rules applied 90 place count 426 transition count 1230
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 91 place count 425 transition count 1228
Iterating global reduction 3 with 1 rules applied. Total rules applied 92 place count 425 transition count 1228
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 93 place count 424 transition count 1226
Iterating global reduction 3 with 1 rules applied. Total rules applied 94 place count 424 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 95 place count 423 transition count 1224
Iterating global reduction 3 with 1 rules applied. Total rules applied 96 place count 423 transition count 1224
Applied a total of 96 rules in 205 ms. Remains 423 /467 variables (removed 44) and now considering 1224/1327 (removed 103) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 423/467 places, 1224/1327 transitions.
[2025-06-02 14:08:28] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-02 14:08:29] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2025-06-02 14:08:29] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 4131 ms. (242 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1318 ms. (758 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[203] Max Struct:[+inf]
[2025-06-02 14:08:34] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:08:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:08:34] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:08:35] [INFO ] [Real]Absence check using state equation in 285 ms returned sat
[2025-06-02 14:08:35] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:08:35] [INFO ] [Real]Added 75 Read/Feed constraints in 54 ms returned sat
[2025-06-02 14:08:35] [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 14:08:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 13 ms returned sat
[2025-06-02 14:08:35] [INFO ] [Nat]Absence check using state equation in 288 ms returned sat
[2025-06-02 14:08:35] [INFO ] [Nat]Added 75 Read/Feed constraints in 47 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:08:36] [INFO ] Deduced a trap composed of 70 places in 506 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:08:36] [INFO ] Deduced a trap composed of 77 places in 490 ms of which 48 ms to minimize.
[2025-06-02 14:08:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1098 ms
[2025-06-02 14:08:36] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 115 ms.
[2025-06-02 14:08:37] [INFO ] Added : 32 causal constraints over 8 iterations in 577 ms. Result :sat
Minimization took 373 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[203] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[203] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 67 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 64 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 14:08:41] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:08:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:08:41] [INFO ] Implicit Places using invariants in 715 ms returned []
[2025-06-02 14:08:41] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:08:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:08:42] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:08:45] [INFO ] Implicit Places using invariants and state equation in 3960 ms returned []
Implicit Place search using SMT with State Equation took 4677 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:08:45] [INFO ] Redundant transitions in 30 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 14:08:45] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:08:45] [INFO ] Invariant cache hit.
[2025-06-02 14:08:45] [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) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:09:03] [INFO ] Deduced a trap composed of 131 places in 225 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 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 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 62480ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62483ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67264 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 14:09:48] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[203] Max Struct:[+inf]
[2025-06-02 14:09:48] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:09:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[203] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3934 ms. (254 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1148 ms. (870 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[206] Max Struct:[+inf]
[2025-06-02 14:09:53] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:09:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:09:53] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:09:54] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2025-06-02 14:09:54] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:09:54] [INFO ] [Real]Added 75 Read/Feed constraints in 56 ms returned sat
[2025-06-02 14:09:54] [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 14:09:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:09:54] [INFO ] [Nat]Absence check using state equation in 278 ms returned sat
[2025-06-02 14:09:54] [INFO ] [Nat]Added 75 Read/Feed constraints in 47 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:09:55] [INFO ] Deduced a trap composed of 70 places in 512 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:09:55] [INFO ] Deduced a trap composed of 77 places in 510 ms of which 48 ms to minimize.
[2025-06-02 14:09:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1125 ms
[2025-06-02 14:09:55] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 101 ms.
[2025-06-02 14:09:56] [INFO ] Added : 32 causal constraints over 8 iterations in 563 ms. Result :sat
Minimization took 383 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[206] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[206] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 60 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 59 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 14:09:59] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:09:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:10:00] [INFO ] Implicit Places using invariants in 712 ms returned []
[2025-06-02 14:10:00] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:10:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:10:01] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:10:04] [INFO ] Implicit Places using invariants and state equation in 3834 ms returned []
Implicit Place search using SMT with State Equation took 4548 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:10:04] [INFO ] Redundant transitions in 30 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 14:10:04] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:10:04] [INFO ] Invariant cache hit.
[2025-06-02 14:10:04] [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) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:10:22] [INFO ] Deduced a trap composed of 131 places in 210 ms of which 8 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 62454ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62457ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67104 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 14:11:07] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[206] Max Struct:[+inf]
[2025-06-02 14:11:07] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:11:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[206] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4122 ms. (242 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1144 ms. (873 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[206] Max Struct:[+inf]
[2025-06-02 14:11:12] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:11:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:11:12] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:11:13] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-02 14:11:13] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:11:13] [INFO ] [Real]Added 75 Read/Feed constraints in 54 ms returned sat
[2025-06-02 14:11:13] [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 14:11:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:11:13] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2025-06-02 14:11:13] [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 14:11:14] [INFO ] Deduced a trap composed of 70 places in 503 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:11:14] [INFO ] Deduced a trap composed of 77 places in 487 ms of which 47 ms to minimize.
[2025-06-02 14:11:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1092 ms
[2025-06-02 14:11:14] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 98 ms.
[2025-06-02 14:11:15] [INFO ] Added : 32 causal constraints over 8 iterations in 556 ms. Result :sat
Minimization took 393 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[206] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[206] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 60 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 63 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 14:11:18] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:11:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:11:19] [INFO ] Implicit Places using invariants in 681 ms returned []
[2025-06-02 14:11:19] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:11:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:11:19] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:11:23] [INFO ] Implicit Places using invariants and state equation in 3770 ms returned []
Implicit Place search using SMT with State Equation took 4453 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:11:23] [INFO ] Redundant transitions in 31 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 14:11:23] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:11:23] [INFO ] Invariant cache hit.
[2025-06-02 14:11:23] [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) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:11:42] [INFO ] Deduced a trap composed of 131 places in 210 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 62480ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62483ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67039 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 14:12:25] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[206] Max Struct:[+inf]
[2025-06-02 14:12:26] [INFO ] Flatten gal took : 31 ms
[2025-06-02 14:12:26] [INFO ] Flatten gal took : 44 ms
[2025-06-02 14:12:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14913416451112637149.gal : 6 ms
[2025-06-02 14:12:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15342359102448742771.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/ReachabilityCardinality14913416451112637149.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15342359102448742771.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40002 steps (8 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
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 49 ms. (800 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality15342359102448742771.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 1973
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1973 after 1.19798e+06
Interrupted probabilistic random walk after 389302 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 1
Probabilistic random walk after 389302 steps, saw 239815 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
[2025-06-02 14:12:29] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:12:29] [INFO ] Invariant cache hit.
[2025-06-02 14:12:29] [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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 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) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 565 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 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) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 502 constraints, problems are : Problem set: 0 solved, 1 unsolved in 691 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1292ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1378 ms.
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 60 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 423/423 places, 1224/1224 transitions.
RANDOM walk for 40001 steps (8 resets) in 295 ms. (135 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.19798e+06 after 3.35877e+10
Interrupted probabilistic random walk after 400653 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 400653 steps, saw 246805 distinct states, run finished after 3001 ms. (steps per millisecond=133 ) properties seen :0
[2025-06-02 14:12:35] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:12:35] [INFO ] Invariant cache hit.
[2025-06-02 14:12:35] [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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 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) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 541 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 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) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 502 constraints, problems are : Problem set: 0 solved, 1 unsolved in 679 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1260ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1346 ms.
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 59 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 60 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 14:12:38] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:12:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:12:38] [INFO ] Implicit Places using invariants in 567 ms returned []
[2025-06-02 14:12:38] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:12:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:12:39] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:12:42] [INFO ] Implicit Places using invariants and state equation in 3857 ms returned []
Implicit Place search using SMT with State Equation took 4454 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:12:42] [INFO ] Redundant transitions in 31 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 14:12:42] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 14:12:42] [INFO ] Invariant cache hit.
[2025-06-02 14:12:42] [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) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:13:00] [INFO ] Deduced a trap composed of 131 places in 215 ms of which 7 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.35877e+10 after 4.41554e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Detected timeout of ITS tools.
[2025-06-02 14:13:16] [INFO ] Flatten gal took : 27 ms
[2025-06-02 14:13:16] [INFO ] Applying decomposition
[2025-06-02 14:13:16] [INFO ] Flatten gal took : 27 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/graph5911423488902089477.txt' '-o' '/tmp/graph5911423488902089477.bin' '-w' '/tmp/graph5911423488902089477.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5911423488902089477.bin' '-l' '-1' '-v' '-w' '/tmp/graph5911423488902089477.weights' '-q' '0' '-e' '0.001'
[2025-06-02 14:13:16] [INFO ] Decomposing Gal with order
[2025-06-02 14:13:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 14:13:16] [INFO ] Removed a total of 2101 redundant transitions.
[2025-06-02 14:13:16] [INFO ] Flatten gal took : 53 ms
[2025-06-02 14:13:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 929 labels/synchronizations in 28 ms.
[2025-06-02 14:13:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9099504875250689521.gal : 6 ms
[2025-06-02 14:13:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14721808257914772548.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/ReachabilityCardinality9099504875250689521.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14721808257914772548.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/ReachabilityCardinality14721808257914772548.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
(s1 0)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 0)
(s28 0)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 1)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 0)
(s55 0)
(s56 0)
(s57 0)
(s58 0)
(s59 0)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 0)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)
(s72 0)
(s73 0)
(s74 0)
(s75 0)
(s76 0)
(s77 0)
(s78 0)
(s79 0)
(s80 0)
(s81 0)
(s82 0)
(s83 0)
(s84 0)
(s85 0)
(s86 0)
(s87 0)
(s88 0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62366ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62369ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66926 ms. Remains : 423/423 places, 1224/1224 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 533 transitions
Reduce isomorphic transitions removed 533 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 543 rules applied. Total rules applied 543 place count 423 transition count 681
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 553 place count 413 transition count 681
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 553 place count 413 transition count 608
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 699 place count 340 transition count 608
Performed 128 Post agglomeration using F-continuation condition.Transition count delta: 128
Deduced a syphon composed of 128 places in 0 ms
Reduce places removed 128 places and 0 transitions.
Iterating global reduction 2 with 256 rules applied. Total rules applied 955 place count 212 transition count 480
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1019 place count 148 transition count 352
Iterating global reduction 2 with 64 rules applied. Total rules applied 1083 place count 148 transition count 352
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1084 place count 148 transition count 351
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1147 place count 85 transition count 225
Iterating global reduction 3 with 63 rules applied. Total rules applied 1210 place count 85 transition count 225
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1273 place count 22 transition count 99
Iterating global reduction 3 with 63 rules applied. Total rules applied 1336 place count 22 transition count 99
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1399 place count 22 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1399 place count 22 transition count 35
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 21 transition count 35
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 1403 place count 20 transition count 34
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 1405 place count 19 transition count 34
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 1408 place count 19 transition count 31
Applied a total of 1408 rules in 33 ms. Remains 19 /423 variables (removed 404) and now considering 31/1224 (removed 1193) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-02 14:13:44] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 14:13:45] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-02 14:13:45] [INFO ] After 16ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 14:13:45] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 14:13:45] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 14:13:45] [INFO ] After 46ms 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 14:13:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 14:13:45] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 14:13:45] [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 14:13:45] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 14:13:45] [INFO ] After 51ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 14:13:45] [INFO ] Flatten gal took : 1 ms
[2025-06-02 14:13:45] [INFO ] Flatten gal took : 1 ms
[2025-06-02 14:13:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1467208727839048697.gal : 1 ms
[2025-06-02 14:13:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4467095837717605715.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/ReachabilityCardinality1467208727839048697.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4467095837717605715.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/ReachabilityCardinality4467095837717605715.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 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 6339
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6339 after 426547
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :426547 after 1.19848e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.19848e+06 after 2.73637e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.73637e+06 after 5.80616e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.80616e+06 after 1.19398e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.19398e+07 after 2.4201e+07
Detected timeout of ITS tools.
[2025-06-02 14:14:00] [INFO ] Flatten gal took : 1 ms
[2025-06-02 14:14:00] [INFO ] Applying decomposition
[2025-06-02 14:14:00] [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/graph8030524939158641612.txt' '-o' '/tmp/graph8030524939158641612.bin' '-w' '/tmp/graph8030524939158641612.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8030524939158641612.bin' '-l' '-1' '-v' '-w' '/tmp/graph8030524939158641612.weights' '-q' '0' '-e' '0.001'
[2025-06-02 14:14:00] [INFO ] Decomposing Gal with order
[2025-06-02 14:14:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 14:14:00] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 14:14:00] [INFO ] Flatten gal took : 4 ms
[2025-06-02 14:14:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2025-06-02 14:14:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3854899490890412378.gal : 1 ms
[2025-06-02 14:14:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9046832269645752316.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/ReachabilityCardinality3854899490890412378.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9046832269645752316.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/ReachabilityCardinality9046832269645752316.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 126
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30201 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[206] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-13 in 349505 ms.
Starting property specific reduction for FunctionPointer-PT-c032-UpperBounds-15
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 14:14:15] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
// Phase 1: matrix 766 rows 467 cols
[2025-06-02 14:14:15] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 42 ms. (232 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:[0] Max Struct:[+inf]
[2025-06-02 14:14:15] [INFO ] Flow matrix only has 766 transitions (discarded 561 similar events)
[2025-06-02 14:14:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 14:14:15] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:14:15] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2025-06-02 14:14:15] [INFO ] State equation strengthened by 94 read => feed constraints.
[2025-06-02 14:14:15] [INFO ] [Real]Added 94 Read/Feed constraints in 44 ms returned sat
[2025-06-02 14:14:15] [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 14:14:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:14:16] [INFO ] [Nat]Absence check using state equation in 290 ms returned sat
[2025-06-02 14:14:16] [INFO ] [Nat]Added 94 Read/Feed constraints in 45 ms returned sat
[2025-06-02 14:14:16] [INFO ] Computed and/alt/rep : 109/225/96 causal constraints (skipped 668 transitions) in 110 ms.
[2025-06-02 14:14:16] [INFO ] Added : 6 causal constraints over 2 iterations in 266 ms. Result :sat
Minimization took 378 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 467 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 467/467 places, 1327/1327 transitions.
Graph (complete) has 2266 edges and 467 vertex of which 464 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 464 transition count 1322
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 458 transition count 1310
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 458 transition count 1310
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 24 place count 458 transition count 1304
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 31 place count 451 transition count 1286
Iterating global reduction 2 with 7 rules applied. Total rules applied 38 place count 451 transition count 1286
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 42 place count 451 transition count 1282
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 47 place count 446 transition count 1272
Iterating global reduction 3 with 5 rules applied. Total rules applied 52 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 56 place count 442 transition count 1262
Iterating global reduction 3 with 4 rules applied. Total rules applied 60 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 64 place count 438 transition count 1252
Iterating global reduction 3 with 4 rules applied. Total rules applied 68 place count 438 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 72 place count 434 transition count 1244
Iterating global reduction 3 with 4 rules applied. Total rules applied 76 place count 434 transition count 1244
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 80 place count 430 transition count 1236
Iterating global reduction 3 with 4 rules applied. Total rules applied 84 place count 430 transition count 1236
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 88 place count 426 transition count 1228
Iterating global reduction 3 with 4 rules applied. Total rules applied 92 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 94 place count 424 transition count 1224
Iterating global reduction 3 with 2 rules applied. Total rules applied 96 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 98 place count 422 transition count 1220
Iterating global reduction 3 with 2 rules applied. Total rules applied 100 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 101 place count 421 transition count 1218
Iterating global reduction 3 with 1 rules applied. Total rules applied 102 place count 421 transition count 1218
Applied a total of 102 rules in 188 ms. Remains 421 /467 variables (removed 46) and now considering 1218/1327 (removed 109) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 421/467 places, 1218/1327 transitions.
[2025-06-02 14:14:17] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-02 14:14:17] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2025-06-02 14:14:17] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3788 ms. (263 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1147 ms. (871 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[493] Max Struct:[+inf]
[2025-06-02 14:14:22] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:14:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:14:22] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 14:14:22] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2025-06-02 14:14:22] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:14:22] [INFO ] [Real]Added 75 Read/Feed constraints in 77 ms returned sat
[2025-06-02 14:14:22] [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 14:14:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 14:14:23] [INFO ] [Nat]Absence check using state equation in 250 ms returned sat
[2025-06-02 14:14:23] [INFO ] [Nat]Added 75 Read/Feed constraints in 40 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:14:23] [INFO ] Deduced a trap composed of 70 places in 446 ms of which 32 ms to minimize.
[2025-06-02 14:14:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 510 ms
[2025-06-02 14:14:23] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 114 ms.
[2025-06-02 14:14:24] [INFO ] Added : 10 causal constraints over 3 iterations in 324 ms. Result :sat
Minimization took 339 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[493] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[493] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 60 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 68 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 14:14:24] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:14:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:14:25] [INFO ] Implicit Places using invariants in 616 ms returned []
[2025-06-02 14:14:25] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:14:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:14:25] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:14:27] [INFO ] Implicit Places using invariants and state equation in 2554 ms returned []
Implicit Place search using SMT with State Equation took 3172 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:14:27] [INFO ] Redundant transitions in 31 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 14:14:27] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:14:27] [INFO ] Invariant cache hit.
[2025-06-02 14:14:27] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:14:54] [INFO ] Deduced a trap composed of 131 places in 265 ms of which 9 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62456ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62459ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65737 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 14:15:30] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[493] Max Struct:[+inf]
[2025-06-02 14:15:30] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:15:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[493] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3996 ms. (250 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1123 ms. (889 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[504] Max Struct:[+inf]
[2025-06-02 14:15:35] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:15:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:15:35] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:15:36] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-02 14:15:36] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:15:36] [INFO ] [Real]Added 75 Read/Feed constraints in 84 ms returned sat
[2025-06-02 14:15:36] [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 14:15:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 14:15:36] [INFO ] [Nat]Absence check using state equation in 267 ms returned sat
[2025-06-02 14:15:36] [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 14:15:37] [INFO ] Deduced a trap composed of 70 places in 468 ms of which 34 ms to minimize.
[2025-06-02 14:15:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 528 ms
[2025-06-02 14:15:37] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 102 ms.
[2025-06-02 14:15:37] [INFO ] Added : 10 causal constraints over 3 iterations in 311 ms. Result :sat
Minimization took 357 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[504] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[504] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 59 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 58 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 14:15:38] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:15:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:15:38] [INFO ] Implicit Places using invariants in 632 ms returned []
[2025-06-02 14:15:38] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:15:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:15:39] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:15:41] [INFO ] Implicit Places using invariants and state equation in 2809 ms returned []
Implicit Place search using SMT with State Equation took 3444 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:15:41] [INFO ] Redundant transitions in 30 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 14:15:41] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:15:41] [INFO ] Invariant cache hit.
[2025-06-02 14:15:41] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:16:04] [INFO ] Deduced a trap composed of 131 places in 221 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62273ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62277ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65817 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 14:16:43] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 151 ms. (steps per millisecond=66 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[504] Max Struct:[+inf]
[2025-06-02 14:16:44] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:16:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[504] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 5103 ms. (195 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:[508] Max Struct:[+inf]
[2025-06-02 14:16:51] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:16:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:16:51] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 14:16:52] [INFO ] [Real]Absence check using state equation in 397 ms returned sat
[2025-06-02 14:16:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:16:52] [INFO ] [Real]Added 75 Read/Feed constraints in 121 ms returned sat
[2025-06-02 14:16:52] [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 14:16:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 14:16:52] [INFO ] [Nat]Absence check using state equation in 386 ms returned sat
[2025-06-02 14:16:52] [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 14:16:53] [INFO ] Deduced a trap composed of 70 places in 612 ms of which 46 ms to minimize.
[2025-06-02 14:16:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 699 ms
[2025-06-02 14:16:53] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 170 ms.
[2025-06-02 14:16:54] [INFO ] Added : 10 causal constraints over 3 iterations in 456 ms. Result :sat
Minimization took 478 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[508] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[508] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 99 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 103 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 14:16:54] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:16:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:16:55] [INFO ] Implicit Places using invariants in 820 ms returned []
[2025-06-02 14:16:55] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:16:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:16:55] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:16:58] [INFO ] Implicit Places using invariants and state equation in 2762 ms returned []
Implicit Place search using SMT with State Equation took 3583 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:16:58] [INFO ] Redundant transitions in 28 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 14:16:58] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:16:58] [INFO ] Invariant cache hit.
[2025-06-02 14:16:58] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:17:25] [INFO ] Deduced a trap composed of 131 places in 195 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62856ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62859ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66584 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 14:18:01] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 156 ms. (steps per millisecond=64 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[508] Max Struct:[+inf]
[2025-06-02 14:18:01] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:18:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[508] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4301 ms. (232 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1281 ms. (780 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[508] Max Struct:[+inf]
[2025-06-02 14:18:07] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:18:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 14:18:07] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 14:18:07] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-06-02 14:18:07] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:18:07] [INFO ] [Real]Added 75 Read/Feed constraints in 103 ms returned sat
[2025-06-02 14:18:08] [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 14:18:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 14:18:08] [INFO ] [Nat]Absence check using state equation in 377 ms returned sat
[2025-06-02 14:18:08] [INFO ] [Nat]Added 75 Read/Feed constraints in 65 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:18:09] [INFO ] Deduced a trap composed of 70 places in 642 ms of which 53 ms to minimize.
[2025-06-02 14:18:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 732 ms
[2025-06-02 14:18:09] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 151 ms.
[2025-06-02 14:18:09] [INFO ] Added : 10 causal constraints over 3 iterations in 453 ms. Result :sat
Minimization took 484 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[508] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[508] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 96 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 102 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 14:18:10] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:18:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:18:11] [INFO ] Implicit Places using invariants in 913 ms returned []
[2025-06-02 14:18:11] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:18:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:18:11] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:18:13] [INFO ] Implicit Places using invariants and state equation in 2560 ms returned []
Implicit Place search using SMT with State Equation took 3483 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:18:14] [INFO ] Redundant transitions in 29 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 14:18:14] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:18:14] [INFO ] Invariant cache hit.
[2025-06-02 14:18:14] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:18:42] [INFO ] Deduced a trap composed of 131 places in 350 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 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 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62166ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62168ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65789 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 14:19:16] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[508] Max Struct:[+inf]
[2025-06-02 14:19:16] [INFO ] Flatten gal took : 46 ms
[2025-06-02 14:19:17] [INFO ] Flatten gal took : 45 ms
[2025-06-02 14:19:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17457483371713989353.gal : 24 ms
[2025-06-02 14:19:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12065656595334660263.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/ReachabilityCardinality17457483371713989353.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12065656595334660263.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
RANDOM walk for 40006 steps (8 resets) in 453 ms. (88 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality12065656595334660263.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 405708 steps, run timeout after 3001 ms. (steps per millisecond=135 ) properties seen :0 out of 1
Probabilistic random walk after 405708 steps, saw 248782 distinct states, run finished after 3001 ms. (steps per millisecond=135 ) properties seen :0
[2025-06-02 14:19:20] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:19:20] [INFO ] Invariant cache hit.
[2025-06-02 14:19:20] [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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 538 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 583 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1159ms 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
Parikh walk visited 0 properties in 5027 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 56 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 421/421 places, 1218/1218 transitions.
RANDOM walk for 40011 steps (8 resets) in 187 ms. (212 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 411016 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 411016 steps, saw 252037 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
[2025-06-02 14:19:29] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:19:29] [INFO ] Invariant cache hit.
[2025-06-02 14:19:29] [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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 553 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 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) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 551 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1128ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 5201 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 58 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 55 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 14:19:35] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:19:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:19:36] [INFO ] Implicit Places using invariants in 514 ms returned []
[2025-06-02 14:19:36] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:19:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 14:19:36] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 14:19:38] [INFO ] Implicit Places using invariants and state equation in 2350 ms returned []
Implicit Place search using SMT with State Equation took 2882 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 14:19:38] [INFO ] Redundant transitions in 31 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 14:19:38] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 14:19:38] [INFO ] Invariant cache hit.
[2025-06-02 14:19:38] [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) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80647e+17
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 14:19:59] [INFO ] Deduced a trap composed of 131 places in 215 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Detected timeout of ITS tools.
[2025-06-02 14:20:07] [INFO ] Flatten gal took : 28 ms
[2025-06-02 14:20:07] [INFO ] Applying decomposition
[2025-06-02 14:20:07] [INFO ] Flatten gal took : 29 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/graph2618864212545160673.txt' '-o' '/tmp/graph2618864212545160673.bin' '-w' '/tmp/graph2618864212545160673.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2618864212545160673.bin' '-l' '-1' '-v' '-w' '/tmp/graph2618864212545160673.weights' '-q' '0' '-e' '0.001'
[2025-06-02 14:20:07] [INFO ] Decomposing Gal with order
[2025-06-02 14:20:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 14:20:07] [INFO ] Removed a total of 2081 redundant transitions.
[2025-06-02 14:20:07] [INFO ] Flatten gal took : 52 ms
[2025-06-02 14:20:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 952 labels/synchronizations in 29 ms.
[2025-06-02 14:20:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6954480809625005912.gal : 10 ms
[2025-06-02 14:20:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7051228240933456141.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/ReachabilityCardinality6954480809625005912.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7051228240933456141.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/ReachabilityCardinality7051228240933456141.prop.
(s322 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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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 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1109 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 1716 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30995 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63414ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 63417ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66396 ms. Remains : 421/421 places, 1218/1218 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 530 transitions
Reduce isomorphic transitions removed 530 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 540 rules applied. Total rules applied 540 place count 421 transition count 678
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 550 place count 411 transition count 678
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 550 place count 411 transition count 605
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 696 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 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 950 place count 211 transition count 478
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1014 place count 147 transition count 350
Iterating global reduction 2 with 64 rules applied. Total rules applied 1078 place count 147 transition count 350
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1079 place count 147 transition count 349
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1142 place count 84 transition count 223
Iterating global reduction 3 with 63 rules applied. Total rules applied 1205 place count 84 transition count 223
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1268 place count 21 transition count 97
Iterating global reduction 3 with 63 rules applied. Total rules applied 1331 place count 21 transition count 97
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1394 place count 21 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1394 place count 21 transition count 33
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 20 transition count 33
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 1398 place count 19 transition count 32
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1399 place count 19 transition count 31
Applied a total of 1399 rules in 28 ms. Remains 19 /421 variables (removed 402) and now considering 31/1218 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-02 14:20:42] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 14:20:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-02 14:20:42] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 14:20:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 14:20:42] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 14:20:42] [INFO ] After 46ms 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 14:20:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 14:20:42] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 14:20:42] [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 14:20:42] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 14:20:42] [INFO ] After 50ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 14:20:42] [INFO ] Flatten gal took : 1 ms
[2025-06-02 14:20:42] [INFO ] Flatten gal took : 0 ms
[2025-06-02 14:20:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11236544233252969141.gal : 1 ms
[2025-06-02 14:20:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12719302054248202600.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/ReachabilityCardinality11236544233252969141.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12719302054248202600.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/ReachabilityCardinality12719302054248202600.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 126
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :126 after 6339
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6339 after 426547
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :426547 after 1.19848e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.19848e+06 after 2.73637e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.73637e+06 after 5.80616e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.80616e+06 after 1.19398e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.19398e+07 after 2.4201e+07
Detected timeout of ITS tools.
[2025-06-02 14:20:57] [INFO ] Flatten gal took : 1 ms
[2025-06-02 14:20:57] [INFO ] Applying decomposition
[2025-06-02 14:20:57] [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/graph2209643557037948044.txt' '-o' '/tmp/graph2209643557037948044.bin' '-w' '/tmp/graph2209643557037948044.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2209643557037948044.bin' '-l' '-1' '-v' '-w' '/tmp/graph2209643557037948044.weights' '-q' '0' '-e' '0.001'
[2025-06-02 14:20:57] [INFO ] Decomposing Gal with order
[2025-06-02 14:20:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 14:20:57] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 14:20:57] [INFO ] Flatten gal took : 4 ms
[2025-06-02 14:20:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-02 14:20:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6712939272124046734.gal : 1 ms
[2025-06-02 14:20:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12852306697469990178.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/ReachabilityCardinality6712939272124046734.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12852306697469990178.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/ReachabilityCardinality12852306697469990178.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 126
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30217 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[508] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c032-UpperBounds-15 in 417302 ms.
[2025-06-02 14:21:12] [INFO ] Flatten gal took : 28 ms
[2025-06-02 14:21:12] [INFO ] Applying decomposition
[2025-06-02 14:21:12] [INFO ] Flatten gal took : 29 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/graph18085530462440322902.txt' '-o' '/tmp/graph18085530462440322902.bin' '-w' '/tmp/graph18085530462440322902.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18085530462440322902.bin' '-l' '-1' '-v' '-w' '/tmp/graph18085530462440322902.weights' '-q' '0' '-e' '0.001'
[2025-06-02 14:21:12] [INFO ] Decomposing Gal with order
[2025-06-02 14:21:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 14:21:12] [INFO ] Removed a total of 2297 redundant transitions.
[2025-06-02 14:21:12] [INFO ] Flatten gal took : 54 ms
[2025-06-02 14:21:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 907 labels/synchronizations in 34 ms.
[2025-06-02 14:21:12] [INFO ] Time to serialize gal into /tmp/UpperBounds10521440846693631945.gal : 7 ms
[2025-06-02 14:21:12] [INFO ] Time to serialize properties into /tmp/UpperBounds13092132495294808479.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/UpperBounds10521440846693631945.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13092132495294808479.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 ...285
Loading property file /tmp/UpperBounds13092132495294808479.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-c032"
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-c032, 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-174867007400149"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c032.tgz
mv FunctionPointer-PT-c032 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 '
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 ;