About the Execution of ITS-Tools for FunctionPointer-PT-c008
| 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 | 0 1 0 inf ? ? 0 ? ? 0 ? 8 inf ? 8 inf | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007400133.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-c008, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007400133
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K 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-c008-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c008-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748845658821
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-c008
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-02 06:27:40] [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 06:27:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 06:27:41] [INFO ] Load time of PNML (sax parser for PT used): 792 ms
[2025-06-02 06:27:41] [INFO ] Transformed 2826 places.
[2025-06-02 06:27:41] [INFO ] Transformed 8960 transitions.
[2025-06-02 06:27:41] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1081 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 13 ms.
Deduced a syphon composed of 1198 places in 74 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c008-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c008-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c008-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c008-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +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, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 06:27:42] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2025-06-02 06:27:42] [INFO ] Computed 4 invariants in 204 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, 8, +inf]
RANDOM walk for 10000 steps (2 resets) in 614 ms. (16 steps per ms)
FORMULA FunctionPointer-PT-c008-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110009 steps (22 resets) in 470 ms. (233 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 5, 5, 2, 1, 0, 1, 3, 2, 6, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, 8, +inf]
[2025-06-02 06:27:43] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2025-06-02 06:27:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:27:44] [INFO ] [Real]Absence check using 3 positive place invariants in 30 ms returned sat
[2025-06-02 06:27:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:27:46] [INFO ] [Real]Absence check using state equation in 1565 ms returned sat
[2025-06-02 06:27:46] [INFO ] State equation strengthened by 479 read => feed constraints.
[2025-06-02 06:27:46] [INFO ] [Real]Added 479 Read/Feed constraints in 271 ms returned sat
[2025-06-02 06:27:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:27:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 25 ms returned sat
[2025-06-02 06:27:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:27:48] [INFO ] [Nat]Absence check using state equation in 1444 ms returned sat
[2025-06-02 06:27:49] [INFO ] [Nat]Added 479 Read/Feed constraints in 216 ms returned sat
[2025-06-02 06:27:50] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1314 ms.
[2025-06-02 06:27:51] [INFO ] Added : 1 causal constraints over 1 iterations in 2014 ms. Result :sat
Minimization took 597 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:27:52] [INFO ] [Real]Absence check using 3 positive place invariants in 24 ms returned sat
[2025-06-02 06:27:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:27:53] [INFO ] [Real]Absence check using state equation in 1428 ms returned sat
[2025-06-02 06:27:54] [INFO ] [Real]Added 479 Read/Feed constraints in 285 ms returned sat
[2025-06-02 06:27:54] [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 06:27:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-02 06:27:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:27:55] [INFO ] [Nat]Absence check using state equation in 1400 ms returned sat
[2025-06-02 06:27:56] [INFO ] [Nat]Added 479 Read/Feed constraints in 265 ms returned sat
[2025-06-02 06:27:57] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1572 ms.
[2025-06-02 06:27:58] [INFO ] Added : 2 causal constraints over 1 iterations in 2250 ms. Result :sat
Minimization took 596 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:27:59] [INFO ] [Real]Absence check using 3 positive place invariants in 22 ms returned sat
[2025-06-02 06:27:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:00] [INFO ] [Real]Absence check using state equation in 1307 ms returned sat
[2025-06-02 06:28:01] [INFO ] [Real]Added 479 Read/Feed constraints in 258 ms returned sat
[2025-06-02 06:28:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:28:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-02 06:28:01] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:28:02] [INFO ] [Nat]Absence check using state equation in 1310 ms returned sat
[2025-06-02 06:28:03] [INFO ] [Nat]Added 479 Read/Feed constraints in 249 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:06] [INFO ] Deduced a trap composed of 133 places in 2814 ms of which 326 ms to minimize.
[2025-06-02 06:28:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 3103 ms
[2025-06-02 06:28:06] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:957)
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 06:28:06] [INFO ] [Real]Absence check using 3 positive place invariants in 22 ms returned sat
[2025-06-02 06:28:06] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:07] [INFO ] [Real]Absence check using state equation in 1311 ms returned sat
[2025-06-02 06:28:08] [INFO ] [Real]Added 479 Read/Feed constraints in 265 ms returned sat
[2025-06-02 06:28:08] [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 06:28:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 24 ms returned sat
[2025-06-02 06:28:08] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:10] [INFO ] [Nat]Absence check using state equation in 1380 ms returned sat
[2025-06-02 06:28:10] [INFO ] [Nat]Added 479 Read/Feed constraints in 232 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:13] [INFO ] Deduced a trap composed of 133 places in 2919 ms of which 317 ms to minimize.
[2025-06-02 06:28:13] [INFO ] Trap strengthening (SAT) tested/added 1/1 trap constraints in 3051 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:28:13] [INFO ] [Real]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-02 06:28:13] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:15] [INFO ] [Real]Absence check using state equation in 1329 ms returned sat
[2025-06-02 06:28:15] [INFO ] [Real]Added 479 Read/Feed constraints in 229 ms returned sat
[2025-06-02 06:28:15] [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 06:28:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-02 06:28:15] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 5 ms returned sat
[2025-06-02 06:28:17] [INFO ] [Nat]Absence check using state equation in 1332 ms returned sat
[2025-06-02 06:28:17] [INFO ] [Nat]Added 479 Read/Feed constraints in 201 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:20] [INFO ] Deduced a trap composed of 133 places in 2753 ms of which 330 ms to minimize.
[2025-06-02 06:28:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 3172 ms
[2025-06-02 06:28:20] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:957)
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 06:28:20] [INFO ] [Real]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-02 06:28:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:22] [INFO ] [Real]Absence check using state equation in 1353 ms returned sat
[2025-06-02 06:28:22] [INFO ] [Real]Added 479 Read/Feed constraints in 204 ms returned sat
[2025-06-02 06:28:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:28:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-02 06:28:22] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:28:24] [INFO ] [Nat]Absence check using state equation in 1362 ms returned sat
[2025-06-02 06:28:24] [INFO ] [Nat]Added 479 Read/Feed constraints in 187 ms returned sat
[2025-06-02 06:28:25] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 709 ms.
[2025-06-02 06:28:25] [INFO ] Added : 2 causal constraints over 1 iterations in 1191 ms. Result :sat
Minimization took 588 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:28:26] [INFO ] [Real]Absence check using 3 positive place invariants in 22 ms returned sat
[2025-06-02 06:28:26] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:28] [INFO ] [Real]Absence check using state equation in 1311 ms returned sat
[2025-06-02 06:28:28] [INFO ] [Real]Added 479 Read/Feed constraints in 245 ms returned sat
[2025-06-02 06:28:28] [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 06:28:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-02 06:28:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:28:30] [INFO ] [Nat]Absence check using state equation in 1344 ms returned sat
[2025-06-02 06:28:30] [INFO ] [Nat]Added 479 Read/Feed constraints in 411 ms returned sat
[2025-06-02 06:28:31] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 736 ms.
[2025-06-02 06:28:31] [INFO ] Added : 1 causal constraints over 1 iterations in 1224 ms. Result :sat
Minimization took 589 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:28:32] [INFO ] [Real]Absence check using 3 positive place invariants in 22 ms returned sat
[2025-06-02 06:28:32] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:34] [INFO ] [Real]Absence check using state equation in 1396 ms returned sat
[2025-06-02 06:28:34] [INFO ] [Real]Added 479 Read/Feed constraints in 266 ms returned sat
[2025-06-02 06:28:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:28:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-02 06:28:35] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:36] [INFO ] [Nat]Absence check using state equation in 1399 ms returned sat
[2025-06-02 06:28:36] [INFO ] [Nat]Added 479 Read/Feed constraints in 217 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:39] [INFO ] Deduced a trap composed of 133 places in 2864 ms of which 321 ms to minimize.
[2025-06-02 06:28:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 3133 ms
[2025-06-02 06:28:39] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:957)
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 06:28:40] [INFO ] [Real]Absence check using 3 positive place invariants in 22 ms returned sat
[2025-06-02 06:28:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:41] [INFO ] [Real]Absence check using state equation in 1282 ms returned sat
[2025-06-02 06:28:41] [INFO ] [Real]Added 479 Read/Feed constraints in 269 ms returned sat
[2025-06-02 06:28:41] [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 06:28:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 22 ms returned sat
[2025-06-02 06:28:42] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:43] [INFO ] [Nat]Absence check using state equation in 1370 ms returned sat
[2025-06-02 06:28:43] [INFO ] [Nat]Added 479 Read/Feed constraints in 283 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:46] [INFO ] Deduced a trap composed of 133 places in 2473 ms of which 319 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:28:49] [INFO ] Deduced a trap composed of 133 places in 2843 ms of which 317 ms to minimize.
[2025-06-02 06:28:49] [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 8
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 06:28:49] [INFO ] [Real]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-02 06:28:49] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:28:51] [INFO ] [Real]Absence check using state equation in 1364 ms returned sat
[2025-06-02 06:28:51] [INFO ] [Real]Added 479 Read/Feed constraints in 263 ms returned sat
[2025-06-02 06:28:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:28:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-02 06:28:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:53] [INFO ] [Nat]Absence check using state equation in 1361 ms returned sat
[2025-06-02 06:28:53] [INFO ] [Nat]Added 479 Read/Feed constraints in 304 ms returned sat
[2025-06-02 06:28:54] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 718 ms.
[2025-06-02 06:28:55] [INFO ] Added : 2 causal constraints over 1 iterations in 1271 ms. Result :sat
Minimization took 588 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:28:55] [INFO ] [Real]Absence check using 3 positive place invariants in 22 ms returned sat
[2025-06-02 06:28:55] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:57] [INFO ] [Real]Absence check using state equation in 1367 ms returned sat
[2025-06-02 06:28:57] [INFO ] [Real]Added 479 Read/Feed constraints in 260 ms returned sat
[2025-06-02 06:28:57] [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 06:28:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-02 06:28:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:28:59] [INFO ] [Nat]Absence check using state equation in 1395 ms returned sat
[2025-06-02 06:28:59] [INFO ] [Nat]Added 479 Read/Feed constraints in 193 ms returned sat
[2025-06-02 06:29:00] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 699 ms.
[2025-06-02 06:29:00] [INFO ] Added : 2 causal constraints over 1 iterations in 1173 ms. Result :sat
Minimization took 587 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 5, 5, 2, 1, 0, 1, 3, 2, 6, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 5, 5, 2, 1, 0, 1, 3, 2, 6, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, 8, +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 1425 are kept as prefixes of interest. Removing 203 places using SCC suffix rule.21 ms
Discarding 203 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 373 transitions
Reduce isomorphic transitions removed 373 transitions.
Iterating post reduction 0 with 373 rules applied. Total rules applied 374 place count 1425 transition count 5589
Discarding 298 places :
Symmetric choice reduction at 1 with 298 rule applications. Total rules 672 place count 1127 transition count 3313
Iterating global reduction 1 with 298 rules applied. Total rules applied 970 place count 1127 transition count 3313
Ensure Unique test removed 358 transitions
Reduce isomorphic transitions removed 358 transitions.
Iterating post reduction 1 with 358 rules applied. Total rules applied 1328 place count 1127 transition count 2955
Discarding 156 places :
Symmetric choice reduction at 2 with 156 rule applications. Total rules 1484 place count 971 transition count 2643
Iterating global reduction 2 with 156 rules applied. Total rules applied 1640 place count 971 transition count 2643
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Iterating post reduction 2 with 68 rules applied. Total rules applied 1708 place count 971 transition count 2575
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1722 place count 957 transition count 2547
Iterating global reduction 3 with 14 rules applied. Total rules applied 1736 place count 957 transition count 2547
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1750 place count 943 transition count 2519
Iterating global reduction 3 with 14 rules applied. Total rules applied 1764 place count 943 transition count 2519
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1778 place count 929 transition count 2491
Iterating global reduction 3 with 14 rules applied. Total rules applied 1792 place count 929 transition count 2491
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1805 place count 916 transition count 2465
Iterating global reduction 3 with 13 rules applied. Total rules applied 1818 place count 916 transition count 2465
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1831 place count 903 transition count 2439
Iterating global reduction 3 with 13 rules applied. Total rules applied 1844 place count 903 transition count 2439
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1857 place count 890 transition count 2413
Iterating global reduction 3 with 13 rules applied. Total rules applied 1870 place count 890 transition count 2413
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1882 place count 878 transition count 2389
Iterating global reduction 3 with 12 rules applied. Total rules applied 1894 place count 878 transition count 2389
Discarding 51 places :
Symmetric choice reduction at 3 with 51 rule applications. Total rules 1945 place count 827 transition count 2197
Iterating global reduction 3 with 51 rules applied. Total rules applied 1996 place count 827 transition count 2197
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2053 place count 770 transition count 1969
Iterating global reduction 3 with 57 rules applied. Total rules applied 2110 place count 770 transition count 1969
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2167 place count 713 transition count 1831
Iterating global reduction 3 with 57 rules applied. Total rules applied 2224 place count 713 transition count 1831
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2281 place count 656 transition count 1717
Iterating global reduction 3 with 57 rules applied. Total rules applied 2338 place count 656 transition count 1717
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2395 place count 599 transition count 1603
Iterating global reduction 3 with 57 rules applied. Total rules applied 2452 place count 599 transition count 1603
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2509 place count 542 transition count 1489
Iterating global reduction 3 with 57 rules applied. Total rules applied 2566 place count 542 transition count 1489
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2622 place count 486 transition count 1377
Iterating global reduction 3 with 56 rules applied. Total rules applied 2678 place count 486 transition count 1377
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 2690 place count 474 transition count 1353
Iterating global reduction 3 with 12 rules applied. Total rules applied 2702 place count 474 transition count 1353
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 3 with 14 rules applied. Total rules applied 2716 place count 474 transition count 1339
Applied a total of 2716 rules in 1691 ms. Remains 474 /1628 variables (removed 1154) and now considering 1339/5962 (removed 4623) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1703 ms. Remains : 474/1628 places, 1339/5962 transitions.
[2025-06-02 06:29:03] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 177 ms. (steps per millisecond=56 ) properties (out of 11) seen :[0, 2, 0, 2, 0, 2, 0, 2, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 5, 5, 2, 1, 2, 1, 3, 2, 6, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, 8, +inf]
[2025-06-02 06:29:03] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
// Phase 1: matrix 776 rows 474 cols
[2025-06-02 06:29:03] [INFO ] Computed 2 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 5, 5, 2, 1, 2, 1, 3, 2, 6, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4370 ms. (228 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 9910 ms. (1109 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 172, 257, 166, 3, 75, 1, 154, 4, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, 8, +inf]
[2025-06-02 06:29:18] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:29:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:18] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:18] [INFO ] [Real]Absence check using state equation in 287 ms returned sat
[2025-06-02 06:29:18] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:29:18] [INFO ] [Real]Added 98 Read/Feed constraints in 72 ms returned sat
[2025-06-02 06:29:18] [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 06:29:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:19] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-02 06:29:19] [INFO ] [Nat]Added 98 Read/Feed constraints in 60 ms returned sat
[2025-06-02 06:29:19] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:29:19] [INFO ] Added : 1 causal constraints over 1 iterations in 224 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:20] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:20] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:20] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2025-06-02 06:29:20] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:29:20] [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 06:29:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:20] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-02 06:29:21] [INFO ] [Nat]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:29:21] [INFO ] [Nat]Added 98 Read/Feed constraints in 44 ms returned sat
[2025-06-02 06:29:21] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 116 ms.
[2025-06-02 06:29:21] [INFO ] Added : 5 causal constraints over 3 iterations in 359 ms. Result :sat
Minimization took 615 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:22] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:22] [INFO ] [Real]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:29:22] [INFO ] [Real]Added 98 Read/Feed constraints in 65 ms returned sat
[2025-06-02 06:29:22] [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 06:29:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:29:23] [INFO ] [Nat]Absence check using state equation in 301 ms returned sat
[2025-06-02 06:29:23] [INFO ] [Nat]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:29:23] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:29:23] [INFO ] Added : 5 causal constraints over 3 iterations in 328 ms. Result :sat
Minimization took 585 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:24] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:29:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:24] [INFO ] [Real]Absence check using state equation in 316 ms returned sat
[2025-06-02 06:29:24] [INFO ] [Real]Added 98 Read/Feed constraints in 64 ms returned sat
[2025-06-02 06:29:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:29:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:25] [INFO ] [Nat]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:29:25] [INFO ] [Nat]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:29:25] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 123 ms.
[2025-06-02 06:29:25] [INFO ] Added : 5 causal constraints over 3 iterations in 370 ms. Result :sat
Minimization took 601 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:26] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:26] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2025-06-02 06:29:26] [INFO ] [Real]Added 98 Read/Feed constraints in 39 ms returned sat
[2025-06-02 06:29:26] [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 06:29:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:27] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:29:27] [INFO ] [Nat]Added 98 Read/Feed constraints in 90 ms returned sat
[2025-06-02 06:29:27] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 108 ms.
[2025-06-02 06:29:27] [INFO ] Added : 2 causal constraints over 1 iterations in 226 ms. Result :sat
Minimization took 614 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:28] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:29:28] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-02 06:29:28] [INFO ] [Real]Added 98 Read/Feed constraints in 75 ms returned sat
[2025-06-02 06:29:28] [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 06:29:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:29] [INFO ] [Nat]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:29:29] [INFO ] [Nat]Added 98 Read/Feed constraints in 65 ms returned sat
[2025-06-02 06:29:29] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 113 ms.
[2025-06-02 06:29:29] [INFO ] Added : 5 causal constraints over 3 iterations in 346 ms. Result :sat
Minimization took 584 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:30] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:30] [INFO ] [Real]Absence check using state equation in 320 ms returned sat
[2025-06-02 06:29:30] [INFO ] [Real]Added 98 Read/Feed constraints in 48 ms returned sat
[2025-06-02 06:29:30] [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 06:29:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:31] [INFO ] [Nat]Absence check using state equation in 318 ms returned sat
[2025-06-02 06:29:31] [INFO ] [Nat]Added 98 Read/Feed constraints in 78 ms returned sat
[2025-06-02 06:29:31] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 114 ms.
[2025-06-02 06:29:31] [INFO ] Added : 1 causal constraints over 1 iterations in 243 ms. Result :sat
Minimization took 604 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:32] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:32] [INFO ] [Real]Absence check using state equation in 318 ms returned sat
[2025-06-02 06:29:32] [INFO ] [Real]Added 98 Read/Feed constraints in 71 ms returned sat
[2025-06-02 06:29:32] [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 06:29:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:33] [INFO ] [Nat]Absence check using state equation in 311 ms returned sat
[2025-06-02 06:29:33] [INFO ] [Nat]Added 98 Read/Feed constraints in 60 ms returned sat
[2025-06-02 06:29:33] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:29:33] [INFO ] Added : 10 causal constraints over 4 iterations in 369 ms. Result :sat
Minimization took 587 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:34] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:34] [INFO ] [Real]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:29:34] [INFO ] [Real]Added 98 Read/Feed constraints in 57 ms returned sat
[2025-06-02 06:29:34] [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 06:29:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:35] [INFO ] [Nat]Absence check using state equation in 283 ms returned sat
[2025-06-02 06:29:35] [INFO ] [Nat]Added 98 Read/Feed constraints in 100 ms returned sat
[2025-06-02 06:29:35] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 100 ms.
[2025-06-02 06:29:35] [INFO ] Added : 2 causal constraints over 1 iterations in 227 ms. Result :sat
Minimization took 609 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:36] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:36] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-02 06:29:36] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:29:36] [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 06:29:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:29:36] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-02 06:29:37] [INFO ] [Nat]Added 98 Read/Feed constraints in 59 ms returned sat
[2025-06-02 06:29:37] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:29:37] [INFO ] Added : 2 causal constraints over 1 iterations in 227 ms. Result :sat
Minimization took 602 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:37] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:29:38] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:29:38] [INFO ] [Real]Added 98 Read/Feed constraints in 52 ms returned sat
[2025-06-02 06:29:38] [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 06:29:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:38] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:29:38] [INFO ] [Nat]Added 98 Read/Feed constraints in 57 ms returned sat
[2025-06-02 06:29:39] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:29:39] [INFO ] Added : 14 causal constraints over 4 iterations in 360 ms. Result :sat
Minimization took 588 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 172, 257, 166, 3, 75, 1, 154, 4, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf, +inf, 8, +inf]
FORMULA FunctionPointer-PT-c008-UpperBounds-11 8 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 172, 257, 166, 5, 75, 154, 7, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 82 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:29:40] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 133 ms. (steps per millisecond=75 ) properties (out of 10) seen :[0, 2, 4, 2, 0, 0, 1, 1, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[7, 172, 257, 166, 5, 75, 154, 7, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:29:40] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:29:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7, 172, 257, 166, 5, 75, 154, 7, 6, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4371 ms. (228 steps per ms)
BEST_FIRST walk for 10000009 steps (20 resets) in 8923 ms. (1120 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 7, 6, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:29:54] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:29:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:54] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:29:54] [INFO ] [Real]Absence check using state equation in 307 ms returned sat
[2025-06-02 06:29:54] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:29:54] [INFO ] [Real]Added 98 Read/Feed constraints in 67 ms returned sat
[2025-06-02 06:29:54] [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 06:29:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:55] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-02 06:29:55] [INFO ] [Nat]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:29:55] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:29:55] [INFO ] Added : 1 causal constraints over 1 iterations in 228 ms. Result :sat
Minimization took 628 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:56] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:29:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:29:56] [INFO ] [Real]Absence check using state equation in 314 ms returned sat
[2025-06-02 06:29:56] [INFO ] [Real]Added 98 Read/Feed constraints in 84 ms returned sat
[2025-06-02 06:29:56] [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 06:29:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:29:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:29:57] [INFO ] [Nat]Absence check using state equation in 320 ms returned sat
[2025-06-02 06:29:57] [INFO ] [Nat]Added 98 Read/Feed constraints in 47 ms returned sat
[2025-06-02 06:29:57] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 117 ms.
[2025-06-02 06:29:57] [INFO ] Added : 5 causal constraints over 3 iterations in 359 ms. Result :sat
Minimization took 592 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:29:58] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:29:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:58] [INFO ] [Real]Absence check using state equation in 300 ms returned sat
[2025-06-02 06:29:58] [INFO ] [Real]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:29:58] [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 06:29:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:29:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:29:59] [INFO ] [Nat]Absence check using state equation in 298 ms returned sat
[2025-06-02 06:29:59] [INFO ] [Nat]Added 98 Read/Feed constraints in 60 ms returned sat
[2025-06-02 06:29:59] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 113 ms.
[2025-06-02 06:29:59] [INFO ] Added : 5 causal constraints over 3 iterations in 322 ms. Result :sat
Minimization took 618 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:00] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:30:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:00] [INFO ] [Real]Absence check using state equation in 315 ms returned sat
[2025-06-02 06:30:00] [INFO ] [Real]Added 98 Read/Feed constraints in 65 ms returned sat
[2025-06-02 06:30:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:01] [INFO ] [Nat]Absence check using state equation in 317 ms returned sat
[2025-06-02 06:30:01] [INFO ] [Nat]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:30:01] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:30:01] [INFO ] Added : 5 causal constraints over 3 iterations in 344 ms. Result :sat
Minimization took 597 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:02] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:02] [INFO ] [Real]Absence check using state equation in 318 ms returned sat
[2025-06-02 06:30:02] [INFO ] [Real]Added 98 Read/Feed constraints in 42 ms returned sat
[2025-06-02 06:30:02] [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 06:30:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:03] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2025-06-02 06:30:03] [INFO ] [Nat]Added 98 Read/Feed constraints in 90 ms returned sat
[2025-06-02 06:30:03] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 117 ms.
[2025-06-02 06:30:03] [INFO ] Added : 2 causal constraints over 1 iterations in 236 ms. Result :sat
Minimization took 622 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:04] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:04] [INFO ] [Real]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:30:04] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:30:04] [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 06:30:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:04] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-02 06:30:05] [INFO ] [Nat]Added 98 Read/Feed constraints in 64 ms returned sat
[2025-06-02 06:30:05] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:30:05] [INFO ] Added : 5 causal constraints over 3 iterations in 337 ms. Result :sat
Minimization took 579 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:06] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:06] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2025-06-02 06:30:06] [INFO ] [Real]Added 98 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:30:06] [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 06:30:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:30:06] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2025-06-02 06:30:07] [INFO ] [Nat]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:30:07] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:30:07] [INFO ] Added : 10 causal constraints over 4 iterations in 375 ms. Result :sat
Minimization took 587 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:08] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:30:08] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2025-06-02 06:30:08] [INFO ] [Real]Added 98 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:30:08] [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 06:30:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:09] [INFO ] [Nat]Absence check using state equation in 312 ms returned sat
[2025-06-02 06:30:09] [INFO ] [Nat]Added 98 Read/Feed constraints in 88 ms returned sat
[2025-06-02 06:30:09] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:30:09] [INFO ] Added : 2 causal constraints over 1 iterations in 232 ms. Result :sat
Minimization took 613 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:10] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:10] [INFO ] [Real]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:30:10] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:30:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:10] [INFO ] [Nat]Absence check using state equation in 322 ms returned sat
[2025-06-02 06:30:11] [INFO ] [Nat]Added 98 Read/Feed constraints in 54 ms returned sat
[2025-06-02 06:30:11] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:30:11] [INFO ] Added : 2 causal constraints over 1 iterations in 226 ms. Result :sat
Minimization took 603 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:12] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:30:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:12] [INFO ] [Real]Absence check using state equation in 307 ms returned sat
[2025-06-02 06:30:12] [INFO ] [Real]Added 98 Read/Feed constraints in 72 ms returned sat
[2025-06-02 06:30:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:30:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:30:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:30:12] [INFO ] [Nat]Absence check using state equation in 283 ms returned sat
[2025-06-02 06:30:12] [INFO ] [Nat]Added 98 Read/Feed constraints in 56 ms returned sat
[2025-06-02 06:30:13] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 115 ms.
[2025-06-02 06:30:13] [INFO ] Added : 14 causal constraints over 4 iterations in 368 ms. Result :sat
Minimization took 609 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 7, 6, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 7, 6, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 73 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 76 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:30:14] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:30:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:30:14] [INFO ] Implicit Places using invariants in 704 ms returned []
[2025-06-02 06:30:14] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:30:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:30:15] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:30:19] [INFO ] Implicit Places using invariants and state equation in 4127 ms returned []
Implicit Place search using SMT with State Equation took 4836 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:30:19] [INFO ] Redundant transitions in 127 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:30:19] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:30:19] [INFO ] Invariant cache hit.
[2025-06-02 06:30:19] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30061 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/474 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 3 (OVERLAPS) 776/1250 variables, 474/476 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
SMT process timed out in 63016ms, After SMT, problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 63049ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68116 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:31:22] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 10) seen :[0, 1, 2, 2, 0, 2, 2, 1, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 7, 6, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:31:22] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:31:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 7, 6, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000002 steps (2 resets) in 4402 ms. (227 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 8848 ms. (1130 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 7, 6, 236] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:31:36] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:31:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:36] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:31:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:36] [INFO ] [Real]Absence check using state equation in 306 ms returned sat
[2025-06-02 06:31:36] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:31:36] [INFO ] [Real]Added 98 Read/Feed constraints in 54 ms returned sat
[2025-06-02 06:31:36] [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 06:31:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:31:36] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:31:37] [INFO ] [Nat]Added 98 Read/Feed constraints in 58 ms returned sat
[2025-06-02 06:31:37] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 115 ms.
[2025-06-02 06:31:37] [INFO ] Added : 1 causal constraints over 1 iterations in 229 ms. Result :sat
Minimization took 622 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:38] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:31:38] [INFO ] [Real]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:31:38] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:31:38] [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 06:31:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:38] [INFO ] [Nat]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:31:38] [INFO ] [Nat]Added 98 Read/Feed constraints in 45 ms returned sat
[2025-06-02 06:31:39] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:31:39] [INFO ] Added : 5 causal constraints over 3 iterations in 347 ms. Result :sat
Minimization took 585 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:40] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:31:40] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:31:40] [INFO ] [Real]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:31:40] [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 06:31:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:40] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-02 06:31:40] [INFO ] [Nat]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:31:41] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:31:41] [INFO ] Added : 5 causal constraints over 3 iterations in 323 ms. Result :sat
Minimization took 585 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:42] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:42] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:31:42] [INFO ] [Real]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:31:42] [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 06:31:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:42] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-02 06:31:42] [INFO ] [Nat]Added 98 Read/Feed constraints in 64 ms returned sat
[2025-06-02 06:31:43] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:31:43] [INFO ] Added : 5 causal constraints over 3 iterations in 341 ms. Result :sat
Minimization took 587 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:44] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:44] [INFO ] [Real]Absence check using state equation in 300 ms returned sat
[2025-06-02 06:31:44] [INFO ] [Real]Added 98 Read/Feed constraints in 41 ms returned sat
[2025-06-02 06:31:44] [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 06:31:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:44] [INFO ] [Nat]Absence check using state equation in 309 ms returned sat
[2025-06-02 06:31:44] [INFO ] [Nat]Added 98 Read/Feed constraints in 90 ms returned sat
[2025-06-02 06:31:45] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:31:45] [INFO ] Added : 2 causal constraints over 1 iterations in 231 ms. Result :sat
Minimization took 622 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:45] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:46] [INFO ] [Real]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:31:46] [INFO ] [Real]Added 98 Read/Feed constraints in 77 ms returned sat
[2025-06-02 06:31:46] [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 06:31:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:31:46] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-02 06:31:46] [INFO ] [Nat]Added 98 Read/Feed constraints in 65 ms returned sat
[2025-06-02 06:31:47] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:31:47] [INFO ] Added : 5 causal constraints over 3 iterations in 339 ms. Result :sat
Minimization took 588 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:47] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:48] [INFO ] [Real]Absence check using state equation in 300 ms returned sat
[2025-06-02 06:31:48] [INFO ] [Real]Added 98 Read/Feed constraints in 70 ms returned sat
[2025-06-02 06:31:48] [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 06:31:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:48] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:31:48] [INFO ] [Nat]Added 98 Read/Feed constraints in 54 ms returned sat
[2025-06-02 06:31:48] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:31:49] [INFO ] Added : 10 causal constraints over 4 iterations in 366 ms. Result :sat
Minimization took 585 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:49] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:50] [INFO ] [Real]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:31:50] [INFO ] [Real]Added 98 Read/Feed constraints in 68 ms returned sat
[2025-06-02 06:31:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:50] [INFO ] [Nat]Absence check using state equation in 316 ms returned sat
[2025-06-02 06:31:50] [INFO ] [Nat]Added 98 Read/Feed constraints in 86 ms returned sat
[2025-06-02 06:31:51] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:31:51] [INFO ] Added : 2 causal constraints over 1 iterations in 231 ms. Result :sat
Minimization took 605 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:51] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:52] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-02 06:31:52] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:31:52] [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 06:31:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:52] [INFO ] [Nat]Absence check using state equation in 306 ms returned sat
[2025-06-02 06:31:52] [INFO ] [Nat]Added 98 Read/Feed constraints in 54 ms returned sat
[2025-06-02 06:31:52] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 114 ms.
[2025-06-02 06:31:53] [INFO ] Added : 2 causal constraints over 1 iterations in 229 ms. Result :sat
Minimization took 598 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:31:53] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:54] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2025-06-02 06:31:54] [INFO ] [Real]Added 98 Read/Feed constraints in 79 ms returned sat
[2025-06-02 06:31:54] [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 06:31:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:31:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:31:54] [INFO ] [Nat]Absence check using state equation in 309 ms returned sat
[2025-06-02 06:31:54] [INFO ] [Nat]Added 98 Read/Feed constraints in 58 ms returned sat
[2025-06-02 06:31:54] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:31:55] [INFO ] Added : 14 causal constraints over 4 iterations in 361 ms. Result :sat
Minimization took 585 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 7, 6, 236] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 8, 6, 236] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 79 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 74 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:31:56] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:31:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:31:56] [INFO ] Implicit Places using invariants in 647 ms returned []
[2025-06-02 06:31:56] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:31:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:31:57] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:32:00] [INFO ] Implicit Places using invariants and state equation in 4103 ms returned []
Implicit Place search using SMT with State Equation took 4753 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:32:00] [INFO ] Redundant transitions in 46 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:32:00] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:32:00] [INFO ] Invariant cache hit.
[2025-06-02 06:32:00] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/474 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 3 (OVERLAPS) 776/1250 variables, 474/476 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
SMT process timed out in 62106ms, After SMT, problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 62112ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66995 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:33:02] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 10) seen :[0, 1, 0, 1, 1, 0, 2, 0, 0, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 8, 6, 236] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:33:03] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:33:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 212, 257, 237, 5, 75, 154, 8, 6, 236] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4325 ms. (231 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 8805 ms. (1135 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 223, 257, 237, 5, 75, 215, 8, 6, 423] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:33:16] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:33:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:16] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:16] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-02 06:33:17] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:33:17] [INFO ] [Real]Added 98 Read/Feed constraints in 58 ms returned sat
[2025-06-02 06:33:17] [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 06:33:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:17] [INFO ] [Nat]Absence check using state equation in 296 ms returned sat
[2025-06-02 06:33:17] [INFO ] [Nat]Added 98 Read/Feed constraints in 55 ms returned sat
[2025-06-02 06:33:17] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 107 ms.
[2025-06-02 06:33:17] [INFO ] Added : 1 causal constraints over 1 iterations in 220 ms. Result :sat
Minimization took 577 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:18] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:18] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:33:18] [INFO ] [Real]Added 98 Read/Feed constraints in 73 ms returned sat
[2025-06-02 06:33:18] [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 06:33:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:19] [INFO ] [Nat]Absence check using state equation in 312 ms returned sat
[2025-06-02 06:33:19] [INFO ] [Nat]Added 98 Read/Feed constraints in 47 ms returned sat
[2025-06-02 06:33:19] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 108 ms.
[2025-06-02 06:33:19] [INFO ] Added : 5 causal constraints over 3 iterations in 341 ms. Result :sat
Minimization took 589 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:20] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:20] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:20] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2025-06-02 06:33:20] [INFO ] [Real]Added 98 Read/Feed constraints in 67 ms returned sat
[2025-06-02 06:33:20] [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 06:33:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:21] [INFO ] [Nat]Absence check using state equation in 316 ms returned sat
[2025-06-02 06:33:21] [INFO ] [Nat]Added 98 Read/Feed constraints in 65 ms returned sat
[2025-06-02 06:33:21] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:33:21] [INFO ] Added : 5 causal constraints over 3 iterations in 325 ms. Result :sat
Minimization took 597 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:22] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:22] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:33:22] [INFO ] [Real]Added 98 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:33:22] [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 06:33:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:23] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-02 06:33:23] [INFO ] [Nat]Added 98 Read/Feed constraints in 68 ms returned sat
[2025-06-02 06:33:23] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:33:23] [INFO ] Added : 5 causal constraints over 3 iterations in 341 ms. Result :sat
Minimization took 596 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:24] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:33:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-02 06:33:24] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-02 06:33:24] [INFO ] [Real]Added 98 Read/Feed constraints in 40 ms returned sat
[2025-06-02 06:33:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:33:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:25] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:33:25] [INFO ] [Nat]Added 98 Read/Feed constraints in 93 ms returned sat
[2025-06-02 06:33:25] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:33:25] [INFO ] Added : 2 causal constraints over 1 iterations in 228 ms. Result :sat
Minimization took 630 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:26] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:33:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:26] [INFO ] [Real]Absence check using state equation in 309 ms returned sat
[2025-06-02 06:33:26] [INFO ] [Real]Added 98 Read/Feed constraints in 75 ms returned sat
[2025-06-02 06:33:26] [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 06:33:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-02 06:33:27] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2025-06-02 06:33:27] [INFO ] [Nat]Added 98 Read/Feed constraints in 64 ms returned sat
[2025-06-02 06:33:27] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:33:27] [INFO ] Added : 5 causal constraints over 3 iterations in 341 ms. Result :sat
Minimization took 584 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:28] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:28] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
[2025-06-02 06:33:28] [INFO ] [Real]Added 98 Read/Feed constraints in 67 ms returned sat
[2025-06-02 06:33:28] [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 06:33:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:29] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:33:29] [INFO ] [Nat]Added 98 Read/Feed constraints in 59 ms returned sat
[2025-06-02 06:33:29] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:33:29] [INFO ] Added : 10 causal constraints over 4 iterations in 369 ms. Result :sat
Minimization took 579 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:30] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:30] [INFO ] [Real]Absence check using state equation in 301 ms returned sat
[2025-06-02 06:33:30] [INFO ] [Real]Added 98 Read/Feed constraints in 60 ms returned sat
[2025-06-02 06:33:30] [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 06:33:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:31] [INFO ] [Nat]Absence check using state equation in 311 ms returned sat
[2025-06-02 06:33:31] [INFO ] [Nat]Added 98 Read/Feed constraints in 106 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:33:31] [INFO ] Deduced a trap composed of 131 places in 415 ms of which 12 ms to minimize.
[2025-06-02 06:33:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 487 ms
[2025-06-02 06:33:32] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:33:32] [INFO ] Added : 2 causal constraints over 1 iterations in 253 ms. Result :sat
Minimization took 589 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:32] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:33] [INFO ] [Real]Absence check using state equation in 317 ms returned sat
[2025-06-02 06:33:33] [INFO ] [Real]Added 98 Read/Feed constraints in 77 ms returned sat
[2025-06-02 06:33:33] [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 06:33:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:33] [INFO ] [Nat]Absence check using state equation in 317 ms returned sat
[2025-06-02 06:33:33] [INFO ] [Nat]Added 98 Read/Feed constraints in 55 ms returned sat
[2025-06-02 06:33:33] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:33:34] [INFO ] Added : 2 causal constraints over 1 iterations in 225 ms. Result :sat
Minimization took 597 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:33:34] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:33:35] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:33:35] [INFO ] [Real]Added 98 Read/Feed constraints in 77 ms returned sat
[2025-06-02 06:33:35] [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 06:33:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:33:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:33:35] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:33:35] [INFO ] [Nat]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:33:35] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 108 ms.
[2025-06-02 06:33:36] [INFO ] Added : 14 causal constraints over 4 iterations in 359 ms. Result :sat
Minimization took 587 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 223, 257, 237, 5, 75, 215, 8, 6, 423] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 223, 257, 237, 5, 75, 215, 8, 6, 423] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 76 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 71 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:33:36] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:33:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:33:37] [INFO ] Implicit Places using invariants in 767 ms returned []
[2025-06-02 06:33:37] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:33:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:33:38] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:33:41] [INFO ] Implicit Places using invariants and state equation in 4133 ms returned []
Implicit Place search using SMT with State Equation took 4901 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:33:41] [INFO ] Redundant transitions in 37 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:33:41] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:33:41] [INFO ] Invariant cache hit.
[2025-06-02 06:33:41] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/474 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 3 (OVERLAPS) 776/1250 variables, 474/476 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
SMT process timed out in 62259ms, After SMT, problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 62264ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67288 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:34:44] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 10) seen :[5, 2, 0, 1, 0, 2, 3, 0, 0, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 223, 257, 237, 5, 75, 215, 8, 6, 423] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:34:44] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:34:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 223, 257, 237, 5, 75, 215, 8, 6, 423] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4068 ms. (245 steps per ms)
BEST_FIRST walk for 10000008 steps (20 resets) in 8948 ms. (1117 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 223, 257, 237, 5, 75, 215, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:34:57] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:34:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:34:57] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:34:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:34:58] [INFO ] [Real]Absence check using state equation in 312 ms returned sat
[2025-06-02 06:34:58] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:34:58] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:34:58] [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 06:34:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:34:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:34:58] [INFO ] [Nat]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:34:58] [INFO ] [Nat]Added 98 Read/Feed constraints in 50 ms returned sat
[2025-06-02 06:34:58] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:34:58] [INFO ] Added : 1 causal constraints over 1 iterations in 227 ms. Result :sat
Minimization took 616 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:34:59] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:34:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:00] [INFO ] [Real]Absence check using state equation in 312 ms returned sat
[2025-06-02 06:35:00] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:35:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:00] [INFO ] [Nat]Absence check using state equation in 310 ms returned sat
[2025-06-02 06:35:00] [INFO ] [Nat]Added 98 Read/Feed constraints in 54 ms returned sat
[2025-06-02 06:35:00] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 114 ms.
[2025-06-02 06:35:01] [INFO ] Added : 5 causal constraints over 3 iterations in 354 ms. Result :sat
Minimization took 610 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:01] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:35:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:02] [INFO ] [Real]Absence check using state equation in 312 ms returned sat
[2025-06-02 06:35:02] [INFO ] [Real]Added 98 Read/Feed constraints in 68 ms returned sat
[2025-06-02 06:35:02] [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 06:35:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:35:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:02] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-02 06:35:02] [INFO ] [Nat]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:35:02] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:35:03] [INFO ] Added : 5 causal constraints over 3 iterations in 323 ms. Result :sat
Minimization took 581 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:03] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:35:04] [INFO ] [Real]Absence check using state equation in 315 ms returned sat
[2025-06-02 06:35:04] [INFO ] [Real]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:35:04] [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 06:35:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:04] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:35:04] [INFO ] [Nat]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:35:04] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:35:05] [INFO ] Added : 5 causal constraints over 3 iterations in 339 ms. Result :sat
Minimization took 576 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:05] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:06] [INFO ] [Real]Absence check using state equation in 317 ms returned sat
[2025-06-02 06:35:06] [INFO ] [Real]Added 98 Read/Feed constraints in 42 ms returned sat
[2025-06-02 06:35:06] [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 06:35:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:06] [INFO ] [Nat]Absence check using state equation in 312 ms returned sat
[2025-06-02 06:35:06] [INFO ] [Nat]Added 98 Read/Feed constraints in 95 ms returned sat
[2025-06-02 06:35:06] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:35:06] [INFO ] Added : 2 causal constraints over 1 iterations in 230 ms. Result :sat
Minimization took 639 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:07] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:35:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:08] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-02 06:35:08] [INFO ] [Real]Added 98 Read/Feed constraints in 78 ms returned sat
[2025-06-02 06:35:08] [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 06:35:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2025-06-02 06:35:08] [INFO ] [Nat]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:35:08] [INFO ] [Nat]Added 98 Read/Feed constraints in 67 ms returned sat
[2025-06-02 06:35:08] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 108 ms.
[2025-06-02 06:35:08] [INFO ] Added : 5 causal constraints over 3 iterations in 334 ms. Result :sat
Minimization took 578 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:09] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:10] [INFO ] [Real]Absence check using state equation in 307 ms returned sat
[2025-06-02 06:35:10] [INFO ] [Real]Added 98 Read/Feed constraints in 70 ms returned sat
[2025-06-02 06:35:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:10] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:35:10] [INFO ] [Nat]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:35:10] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 114 ms.
[2025-06-02 06:35:11] [INFO ] Added : 10 causal constraints over 4 iterations in 372 ms. Result :sat
Minimization took 592 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:11] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:12] [INFO ] [Real]Absence check using state equation in 317 ms returned sat
[2025-06-02 06:35:12] [INFO ] [Real]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:35:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:12] [INFO ] [Nat]Absence check using state equation in 314 ms returned sat
[2025-06-02 06:35:12] [INFO ] [Nat]Added 98 Read/Feed constraints in 105 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:35:13] [INFO ] Deduced a trap composed of 131 places in 407 ms of which 11 ms to minimize.
[2025-06-02 06:35:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 481 ms
[2025-06-02 06:35:13] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:35:13] [INFO ] Added : 2 causal constraints over 1 iterations in 251 ms. Result :sat
Minimization took 589 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:14] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:14] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:35:14] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:35:14] [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 06:35:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:15] [INFO ] [Nat]Absence check using state equation in 312 ms returned sat
[2025-06-02 06:35:15] [INFO ] [Nat]Added 98 Read/Feed constraints in 53 ms returned sat
[2025-06-02 06:35:15] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:35:15] [INFO ] Added : 2 causal constraints over 1 iterations in 225 ms. Result :sat
Minimization took 590 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:35:16] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:35:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:16] [INFO ] [Real]Absence check using state equation in 306 ms returned sat
[2025-06-02 06:35:16] [INFO ] [Real]Added 98 Read/Feed constraints in 77 ms returned sat
[2025-06-02 06:35:16] [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 06:35:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:35:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:35:16] [INFO ] [Nat]Absence check using state equation in 306 ms returned sat
[2025-06-02 06:35:16] [INFO ] [Nat]Added 98 Read/Feed constraints in 57 ms returned sat
[2025-06-02 06:35:17] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:35:17] [INFO ] Added : 14 causal constraints over 4 iterations in 360 ms. Result :sat
Minimization took 585 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 223, 257, 237, 5, 75, 215, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 223, 257, 237, 7, 75, 215, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 86 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 87 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 72 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:35:18] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:35:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:35:19] [INFO ] Implicit Places using invariants in 764 ms returned []
[2025-06-02 06:35:19] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:35:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:35:19] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:35:23] [INFO ] Implicit Places using invariants and state equation in 4210 ms returned []
Implicit Place search using SMT with State Equation took 4977 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:35:23] [INFO ] Redundant transitions in 37 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:35:23] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:35:23] [INFO ] Invariant cache hit.
[2025-06-02 06:35:23] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 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 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/474 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 3 (OVERLAPS) 776/1250 variables, 474/476 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
SMT process timed out in 62304ms, After SMT, problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 62309ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67405 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:36:25] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 10) seen :[5, 2, 0, 2, 0, 0, 1, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 223, 257, 237, 7, 75, 215, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:36:26] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:36:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 223, 257, 237, 7, 75, 215, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4604 ms. (217 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 9593 ms. (1042 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12, 223, 257, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:36:40] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:36:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:40] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:40] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-02 06:36:40] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:36:40] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:36:40] [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 06:36:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:41] [INFO ] [Nat]Absence check using state equation in 312 ms returned sat
[2025-06-02 06:36:41] [INFO ] [Nat]Added 98 Read/Feed constraints in 57 ms returned sat
[2025-06-02 06:36:41] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 116 ms.
[2025-06-02 06:36:41] [INFO ] Added : 1 causal constraints over 1 iterations in 232 ms. Result :sat
Minimization took 587 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:42] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:36:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:42] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:36:42] [INFO ] [Real]Added 98 Read/Feed constraints in 75 ms returned sat
[2025-06-02 06:36:42] [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 06:36:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:43] [INFO ] [Nat]Absence check using state equation in 276 ms returned sat
[2025-06-02 06:36:43] [INFO ] [Nat]Added 98 Read/Feed constraints in 47 ms returned sat
[2025-06-02 06:36:43] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 115 ms.
[2025-06-02 06:36:43] [INFO ] Added : 5 causal constraints over 3 iterations in 348 ms. Result :sat
Minimization took 590 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:44] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:36:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:44] [INFO ] [Real]Absence check using state equation in 310 ms returned sat
[2025-06-02 06:36:44] [INFO ] [Real]Added 98 Read/Feed constraints in 65 ms returned sat
[2025-06-02 06:36:44] [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 06:36:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:45] [INFO ] [Nat]Absence check using state equation in 318 ms returned sat
[2025-06-02 06:36:45] [INFO ] [Nat]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:36:45] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:36:45] [INFO ] Added : 5 causal constraints over 3 iterations in 328 ms. Result :sat
Minimization took 594 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:46] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:36:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:46] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:36:46] [INFO ] [Real]Added 98 Read/Feed constraints in 67 ms returned sat
[2025-06-02 06:36:46] [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 06:36:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:47] [INFO ] [Nat]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:36:47] [INFO ] [Nat]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:36:47] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 113 ms.
[2025-06-02 06:36:47] [INFO ] Added : 5 causal constraints over 3 iterations in 340 ms. Result :sat
Minimization took 587 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:48] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:36:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:48] [INFO ] [Real]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:36:48] [INFO ] [Real]Added 98 Read/Feed constraints in 41 ms returned sat
[2025-06-02 06:36:48] [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 06:36:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:49] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-02 06:36:49] [INFO ] [Nat]Added 98 Read/Feed constraints in 111 ms returned sat
[2025-06-02 06:36:49] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 116 ms.
[2025-06-02 06:36:49] [INFO ] Added : 2 causal constraints over 1 iterations in 235 ms. Result :sat
Minimization took 623 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:50] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:50] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-02 06:36:50] [INFO ] [Real]Added 98 Read/Feed constraints in 77 ms returned sat
[2025-06-02 06:36:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:51] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-02 06:36:51] [INFO ] [Nat]Added 98 Read/Feed constraints in 69 ms returned sat
[2025-06-02 06:36:51] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 116 ms.
[2025-06-02 06:36:51] [INFO ] Added : 5 causal constraints over 3 iterations in 343 ms. Result :sat
Minimization took 597 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:52] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:52] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2025-06-02 06:36:52] [INFO ] [Real]Added 98 Read/Feed constraints in 71 ms returned sat
[2025-06-02 06:36:52] [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 06:36:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:53] [INFO ] [Nat]Absence check using state equation in 298 ms returned sat
[2025-06-02 06:36:53] [INFO ] [Nat]Added 98 Read/Feed constraints in 67 ms returned sat
[2025-06-02 06:36:53] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 117 ms.
[2025-06-02 06:36:53] [INFO ] Added : 10 causal constraints over 4 iterations in 373 ms. Result :sat
Minimization took 591 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:54] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:36:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:54] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-02 06:36:54] [INFO ] [Real]Added 98 Read/Feed constraints in 64 ms returned sat
[2025-06-02 06:36:54] [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 06:36:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:55] [INFO ] [Nat]Absence check using state equation in 309 ms returned sat
[2025-06-02 06:36:55] [INFO ] [Nat]Added 98 Read/Feed constraints in 104 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:36:55] [INFO ] Deduced a trap composed of 131 places in 416 ms of which 12 ms to minimize.
[2025-06-02 06:36:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 487 ms
[2025-06-02 06:36:55] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 113 ms.
[2025-06-02 06:36:55] [INFO ] Added : 2 causal constraints over 1 iterations in 259 ms. Result :sat
Minimization took 599 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:56] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:57] [INFO ] [Real]Absence check using state equation in 319 ms returned sat
[2025-06-02 06:36:57] [INFO ] [Real]Added 98 Read/Feed constraints in 78 ms returned sat
[2025-06-02 06:36:57] [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 06:36:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:36:57] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2025-06-02 06:36:57] [INFO ] [Nat]Added 98 Read/Feed constraints in 55 ms returned sat
[2025-06-02 06:36:57] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 116 ms.
[2025-06-02 06:36:57] [INFO ] Added : 2 causal constraints over 1 iterations in 231 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:36:58] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:58] [INFO ] [Real]Absence check using state equation in 309 ms returned sat
[2025-06-02 06:36:59] [INFO ] [Real]Added 98 Read/Feed constraints in 77 ms returned sat
[2025-06-02 06:36:59] [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 06:36:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:36:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:36:59] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:36:59] [INFO ] [Nat]Added 98 Read/Feed constraints in 59 ms returned sat
[2025-06-02 06:36:59] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 116 ms.
[2025-06-02 06:36:59] [INFO ] Added : 14 causal constraints over 4 iterations in 365 ms. Result :sat
Minimization took 584 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12, 223, 257, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12, 223, 257, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 75 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 77 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:37:00] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:37:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:37:01] [INFO ] Implicit Places using invariants in 776 ms returned []
[2025-06-02 06:37:01] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:37:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:37:02] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:37:05] [INFO ] Implicit Places using invariants and state equation in 4091 ms returned []
Implicit Place search using SMT with State Equation took 4869 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:37:05] [INFO ] Redundant transitions in 36 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:37:05] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:37:05] [INFO ] Invariant cache hit.
[2025-06-02 06:37:05] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/474 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 3 (OVERLAPS) 776/1250 variables, 474/476 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
SMT process timed out in 62699ms, After SMT, problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 62705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67698 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:38:08] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 10) seen :[0, 2, 2, 1, 0, 0, 0, 0, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[12, 223, 257, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:38:08] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:38:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[12, 223, 257, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4275 ms. (233 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 9293 ms. (1075 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:38:22] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:38:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:22] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:22] [INFO ] [Real]Absence check using state equation in 286 ms returned sat
[2025-06-02 06:38:22] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:38:23] [INFO ] [Real]Added 98 Read/Feed constraints in 69 ms returned sat
[2025-06-02 06:38:23] [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 06:38:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:23] [INFO ] [Nat]Absence check using state equation in 296 ms returned sat
[2025-06-02 06:38:23] [INFO ] [Nat]Added 98 Read/Feed constraints in 55 ms returned sat
[2025-06-02 06:38:23] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 106 ms.
[2025-06-02 06:38:23] [INFO ] Added : 1 causal constraints over 1 iterations in 213 ms. Result :sat
Minimization took 564 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:24] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:24] [INFO ] [Real]Absence check using state equation in 292 ms returned sat
[2025-06-02 06:38:24] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:38:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:25] [INFO ] [Nat]Absence check using state equation in 298 ms returned sat
[2025-06-02 06:38:25] [INFO ] [Nat]Added 98 Read/Feed constraints in 45 ms returned sat
[2025-06-02 06:38:25] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 108 ms.
[2025-06-02 06:38:25] [INFO ] Added : 5 causal constraints over 3 iterations in 340 ms. Result :sat
Minimization took 568 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:26] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:26] [INFO ] [Real]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:38:26] [INFO ] [Real]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:38:26] [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 06:38:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:38:27] [INFO ] [Nat]Absence check using state equation in 301 ms returned sat
[2025-06-02 06:38:27] [INFO ] [Nat]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:38:27] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:38:27] [INFO ] Added : 5 causal constraints over 3 iterations in 314 ms. Result :sat
Minimization took 566 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:28] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:28] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:38:28] [INFO ] [Real]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:38:28] [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 06:38:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:29] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-02 06:38:29] [INFO ] [Nat]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:38:29] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:38:29] [INFO ] Added : 5 causal constraints over 3 iterations in 328 ms. Result :sat
Minimization took 557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:30] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:30] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2025-06-02 06:38:30] [INFO ] [Real]Added 98 Read/Feed constraints in 35 ms returned sat
[2025-06-02 06:38:30] [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 06:38:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:30] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-02 06:38:31] [INFO ] [Nat]Added 98 Read/Feed constraints in 110 ms returned sat
[2025-06-02 06:38:31] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 113 ms.
[2025-06-02 06:38:31] [INFO ] Added : 2 causal constraints over 1 iterations in 227 ms. Result :sat
Minimization took 598 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:32] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:38:32] [INFO ] [Real]Absence check using state equation in 292 ms returned sat
[2025-06-02 06:38:32] [INFO ] [Real]Added 98 Read/Feed constraints in 80 ms returned sat
[2025-06-02 06:38:32] [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 06:38:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:32] [INFO ] [Nat]Absence check using state equation in 304 ms returned sat
[2025-06-02 06:38:32] [INFO ] [Nat]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:38:33] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 108 ms.
[2025-06-02 06:38:33] [INFO ] Added : 5 causal constraints over 3 iterations in 331 ms. Result :sat
Minimization took 576 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:34] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:34] [INFO ] [Real]Absence check using state equation in 300 ms returned sat
[2025-06-02 06:38:34] [INFO ] [Real]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:38:34] [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 06:38:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:34] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-02 06:38:34] [INFO ] [Nat]Added 98 Read/Feed constraints in 60 ms returned sat
[2025-06-02 06:38:35] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 114 ms.
[2025-06-02 06:38:35] [INFO ] Added : 10 causal constraints over 4 iterations in 359 ms. Result :sat
Minimization took 575 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:36] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:38:36] [INFO ] [Real]Added 98 Read/Feed constraints in 59 ms returned sat
[2025-06-02 06:38:36] [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 06:38:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:36] [INFO ] [Nat]Absence check using state equation in 310 ms returned sat
[2025-06-02 06:38:36] [INFO ] [Nat]Added 98 Read/Feed constraints in 102 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:38:37] [INFO ] Deduced a trap composed of 131 places in 427 ms of which 12 ms to minimize.
[2025-06-02 06:38:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 496 ms
[2025-06-02 06:38:37] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 113 ms.
[2025-06-02 06:38:37] [INFO ] Added : 2 causal constraints over 1 iterations in 253 ms. Result :sat
Minimization took 572 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:38] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:38] [INFO ] [Real]Absence check using state equation in 309 ms returned sat
[2025-06-02 06:38:38] [INFO ] [Real]Added 98 Read/Feed constraints in 75 ms returned sat
[2025-06-02 06:38:38] [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 06:38:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:38:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:39] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:38:39] [INFO ] [Nat]Added 98 Read/Feed constraints in 52 ms returned sat
[2025-06-02 06:38:39] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 113 ms.
[2025-06-02 06:38:39] [INFO ] Added : 2 causal constraints over 1 iterations in 225 ms. Result :sat
Minimization took 579 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:38:40] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:38:40] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2025-06-02 06:38:40] [INFO ] [Real]Added 98 Read/Feed constraints in 75 ms returned sat
[2025-06-02 06:38:40] [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 06:38:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:38:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:38:41] [INFO ] [Nat]Absence check using state equation in 289 ms returned sat
[2025-06-02 06:38:41] [INFO ] [Nat]Added 98 Read/Feed constraints in 56 ms returned sat
[2025-06-02 06:38:41] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:38:41] [INFO ] Added : 14 causal constraints over 4 iterations in 349 ms. Result :sat
Minimization took 562 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 78 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 72 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:38:42] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:38:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:38:43] [INFO ] Implicit Places using invariants in 784 ms returned []
[2025-06-02 06:38:43] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:38:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:38:43] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:38:47] [INFO ] Implicit Places using invariants and state equation in 3972 ms returned []
Implicit Place search using SMT with State Equation took 4757 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:38:47] [INFO ] Redundant transitions in 36 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:38:47] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:38:47] [INFO ] Invariant cache hit.
[2025-06-02 06:38:47] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 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 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/474 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 3 (OVERLAPS) 776/1250 variables, 474/476 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1250 variables, 98/574 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1250/1250 variables, and 1911 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 31139 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 474/474 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63684ms problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 63688ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68562 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:39:50] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 10) seen :[5, 0, 0, 0, 1, 0, 1, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:39:51] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:39:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4361 ms. (229 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 9286 ms. (1076 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:40:04] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:40:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:05] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:05] [INFO ] [Real]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:40:05] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:40:05] [INFO ] [Real]Added 98 Read/Feed constraints in 70 ms returned sat
[2025-06-02 06:40:05] [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 06:40:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:05] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:40:05] [INFO ] [Nat]Added 98 Read/Feed constraints in 56 ms returned sat
[2025-06-02 06:40:06] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 120 ms.
[2025-06-02 06:40:06] [INFO ] Added : 1 causal constraints over 1 iterations in 228 ms. Result :sat
Minimization took 564 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:06] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:07] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:40:07] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:40:07] [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 06:40:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:40:07] [INFO ] [Nat]Absence check using state equation in 297 ms returned sat
[2025-06-02 06:40:07] [INFO ] [Nat]Added 98 Read/Feed constraints in 45 ms returned sat
[2025-06-02 06:40:07] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 135 ms.
[2025-06-02 06:40:08] [INFO ] Added : 5 causal constraints over 3 iterations in 363 ms. Result :sat
Minimization took 576 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:08] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:09] [INFO ] [Real]Absence check using state equation in 295 ms returned sat
[2025-06-02 06:40:09] [INFO ] [Real]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:40:09] [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 06:40:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:40:09] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:40:09] [INFO ] [Nat]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:40:09] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 120 ms.
[2025-06-02 06:40:10] [INFO ] Added : 5 causal constraints over 3 iterations in 324 ms. Result :sat
Minimization took 581 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:10] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:11] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2025-06-02 06:40:11] [INFO ] [Real]Added 98 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:40:11] [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 06:40:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:11] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-02 06:40:11] [INFO ] [Nat]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:40:11] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 131 ms.
[2025-06-02 06:40:12] [INFO ] Added : 5 causal constraints over 3 iterations in 359 ms. Result :sat
Minimization took 574 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:12] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:40:13] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-02 06:40:13] [INFO ] [Real]Added 98 Read/Feed constraints in 40 ms returned sat
[2025-06-02 06:40:13] [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 06:40:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:13] [INFO ] [Nat]Absence check using state equation in 297 ms returned sat
[2025-06-02 06:40:13] [INFO ] [Nat]Added 98 Read/Feed constraints in 108 ms returned sat
[2025-06-02 06:40:13] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:40:14] [INFO ] Added : 2 causal constraints over 1 iterations in 241 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:14] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:15] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:40:15] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:40:15] [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 06:40:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:15] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:40:15] [INFO ] [Nat]Added 98 Read/Feed constraints in 70 ms returned sat
[2025-06-02 06:40:15] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 128 ms.
[2025-06-02 06:40:16] [INFO ] Added : 5 causal constraints over 3 iterations in 355 ms. Result :sat
Minimization took 575 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:16] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:17] [INFO ] [Real]Absence check using state equation in 300 ms returned sat
[2025-06-02 06:40:17] [INFO ] [Real]Added 98 Read/Feed constraints in 68 ms returned sat
[2025-06-02 06:40:17] [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 06:40:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:17] [INFO ] [Nat]Absence check using state equation in 298 ms returned sat
[2025-06-02 06:40:17] [INFO ] [Nat]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:40:17] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 129 ms.
[2025-06-02 06:40:18] [INFO ] Added : 10 causal constraints over 4 iterations in 387 ms. Result :sat
Minimization took 564 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:18] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:19] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2025-06-02 06:40:19] [INFO ] [Real]Added 98 Read/Feed constraints in 58 ms returned sat
[2025-06-02 06:40:19] [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 06:40:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:19] [INFO ] [Nat]Absence check using state equation in 296 ms returned sat
[2025-06-02 06:40:19] [INFO ] [Nat]Added 98 Read/Feed constraints in 102 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:40:20] [INFO ] Deduced a trap composed of 131 places in 409 ms of which 11 ms to minimize.
[2025-06-02 06:40:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 477 ms
[2025-06-02 06:40:20] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 123 ms.
[2025-06-02 06:40:20] [INFO ] Added : 2 causal constraints over 1 iterations in 261 ms. Result :sat
Minimization took 573 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:21] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:21] [INFO ] [Real]Absence check using state equation in 310 ms returned sat
[2025-06-02 06:40:21] [INFO ] [Real]Added 98 Read/Feed constraints in 75 ms returned sat
[2025-06-02 06:40:21] [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 06:40:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:40:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:21] [INFO ] [Nat]Absence check using state equation in 304 ms returned sat
[2025-06-02 06:40:21] [INFO ] [Nat]Added 98 Read/Feed constraints in 54 ms returned sat
[2025-06-02 06:40:22] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 131 ms.
[2025-06-02 06:40:22] [INFO ] Added : 2 causal constraints over 1 iterations in 242 ms. Result :sat
Minimization took 579 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:40:22] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:40:23] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:40:23] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:40:23] [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 06:40:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:40:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:40:23] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:40:23] [INFO ] [Nat]Added 98 Read/Feed constraints in 57 ms returned sat
[2025-06-02 06:40:23] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 115 ms.
[2025-06-02 06:40:24] [INFO ] Added : 14 causal constraints over 4 iterations in 365 ms. Result :sat
Minimization took 578 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 6, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 72 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 70 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:40:25] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:40:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:40:25] [INFO ] Implicit Places using invariants in 757 ms returned []
[2025-06-02 06:40:25] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:40:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:40:26] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:40:29] [INFO ] Implicit Places using invariants and state equation in 4003 ms returned []
Implicit Place search using SMT with State Equation took 4765 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:40:29] [INFO ] Redundant transitions in 37 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:40:29] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:40:29] [INFO ] Invariant cache hit.
[2025-06-02 06:40:29] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/474 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 3 (OVERLAPS) 776/1250 variables, 474/476 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1250 variables, 98/574 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1250/1250 variables, and 1911 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 31129 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 474/474 constraints, ReadFeed: 98/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63730ms problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 63733ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68614 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:41:33] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 10) seen :[0, 2, 0, 1, 0, 0, 2, 0, 0, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:41:34] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:41:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[606, 249, 437, 237, 7, 81, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4550 ms. (219 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 9289 ms. (1076 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[606, 249, 437, 237, 7, 95, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:41:48] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:41:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:41:48] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:41:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:48] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-02 06:41:48] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:41:48] [INFO ] [Real]Added 98 Read/Feed constraints in 70 ms returned sat
[2025-06-02 06:41:48] [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 06:41:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:41:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:48] [INFO ] [Nat]Absence check using state equation in 311 ms returned sat
[2025-06-02 06:41:49] [INFO ] [Nat]Added 98 Read/Feed constraints in 59 ms returned sat
[2025-06-02 06:41:49] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 122 ms.
[2025-06-02 06:41:49] [INFO ] Added : 1 causal constraints over 1 iterations in 230 ms. Result :sat
Minimization took 595 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:41:50] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:41:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:50] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:41:50] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:41:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:41:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:41:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:41:50] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-02 06:41:50] [INFO ] [Nat]Added 98 Read/Feed constraints in 43 ms returned sat
[2025-06-02 06:41:51] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 122 ms.
[2025-06-02 06:41:51] [INFO ] Added : 5 causal constraints over 3 iterations in 358 ms. Result :sat
Minimization took 590 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:41:52] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:41:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:52] [INFO ] [Real]Absence check using state equation in 292 ms returned sat
[2025-06-02 06:41:52] [INFO ] [Real]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:41:52] [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 06:41:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:41:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:52] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2025-06-02 06:41:52] [INFO ] [Nat]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:41:53] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:41:53] [INFO ] Added : 5 causal constraints over 3 iterations in 315 ms. Result :sat
Minimization took 583 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:41:53] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:41:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:54] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-02 06:41:54] [INFO ] [Real]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:41:54] [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 06:41:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:41:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:54] [INFO ] [Nat]Absence check using state equation in 304 ms returned sat
[2025-06-02 06:41:54] [INFO ] [Nat]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:41:54] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 117 ms.
[2025-06-02 06:41:55] [INFO ] Added : 5 causal constraints over 3 iterations in 341 ms. Result :sat
Minimization took 576 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:41:55] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:41:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:56] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-02 06:41:56] [INFO ] [Real]Added 98 Read/Feed constraints in 39 ms returned sat
[2025-06-02 06:41:56] [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 06:41:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:41:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:56] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-02 06:41:56] [INFO ] [Nat]Added 98 Read/Feed constraints in 107 ms returned sat
[2025-06-02 06:41:56] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 112 ms.
[2025-06-02 06:41:57] [INFO ] Added : 2 causal constraints over 1 iterations in 235 ms. Result :sat
Minimization took 617 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:41:57] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:41:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:58] [INFO ] [Real]Absence check using state equation in 301 ms returned sat
[2025-06-02 06:41:58] [INFO ] [Real]Added 98 Read/Feed constraints in 81 ms returned sat
[2025-06-02 06:41:58] [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 06:41:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:41:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:58] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-02 06:41:58] [INFO ] [Nat]Added 98 Read/Feed constraints in 64 ms returned sat
[2025-06-02 06:41:58] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:41:59] [INFO ] Added : 5 causal constraints over 3 iterations in 325 ms. Result :sat
Minimization took 563 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:41:59] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:41:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:41:59] [INFO ] [Real]Absence check using state equation in 284 ms returned sat
[2025-06-02 06:42:00] [INFO ] [Real]Added 98 Read/Feed constraints in 67 ms returned sat
[2025-06-02 06:42:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:42:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:42:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:42:00] [INFO ] [Nat]Absence check using state equation in 301 ms returned sat
[2025-06-02 06:42:00] [INFO ] [Nat]Added 98 Read/Feed constraints in 60 ms returned sat
[2025-06-02 06:42:00] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 118 ms.
[2025-06-02 06:42:00] [INFO ] Added : 10 causal constraints over 4 iterations in 364 ms. Result :sat
Minimization took 568 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:42:01] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:42:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:42:01] [INFO ] [Real]Absence check using state equation in 295 ms returned sat
[2025-06-02 06:42:02] [INFO ] [Real]Added 98 Read/Feed constraints in 59 ms returned sat
[2025-06-02 06:42:02] [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 06:42:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:42:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:42:02] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-02 06:42:02] [INFO ] [Nat]Added 98 Read/Feed constraints in 104 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:42:03] [INFO ] Deduced a trap composed of 131 places in 414 ms of which 11 ms to minimize.
[2025-06-02 06:42:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 483 ms
[2025-06-02 06:42:03] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 119 ms.
[2025-06-02 06:42:03] [INFO ] Added : 2 causal constraints over 1 iterations in 266 ms. Result :sat
Minimization took 566 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:42:04] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:42:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:42:04] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:42:04] [INFO ] [Real]Added 98 Read/Feed constraints in 87 ms returned sat
[2025-06-02 06:42:04] [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 06:42:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:42:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:42:04] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:42:04] [INFO ] [Nat]Added 98 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:42:05] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:42:05] [INFO ] Added : 2 causal constraints over 1 iterations in 224 ms. Result :sat
Minimization took 574 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:42:05] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:42:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:42:06] [INFO ] [Real]Absence check using state equation in 286 ms returned sat
[2025-06-02 06:42:06] [INFO ] [Real]Added 98 Read/Feed constraints in 74 ms returned sat
[2025-06-02 06:42:06] [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 06:42:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:42:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:42:06] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2025-06-02 06:42:06] [INFO ] [Nat]Added 98 Read/Feed constraints in 57 ms returned sat
[2025-06-02 06:42:06] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 111 ms.
[2025-06-02 06:42:07] [INFO ] Added : 14 causal constraints over 4 iterations in 354 ms. Result :sat
Minimization took 567 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[606, 249, 437, 237, 7, 95, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[606, 249, 437, 237, 7, 95, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 74 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 71 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:42:08] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:42:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:42:08] [INFO ] Implicit Places using invariants in 738 ms returned []
[2025-06-02 06:42:08] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:42:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:42:09] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:42:12] [INFO ] Implicit Places using invariants and state equation in 3856 ms returned []
Implicit Place search using SMT with State Equation took 4600 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:42:12] [INFO ] Redundant transitions in 36 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:42:12] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:42:12] [INFO ] Invariant cache hit.
[2025-06-02 06:42:12] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/474 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 3 (OVERLAPS) 776/1250 variables, 474/476 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
SMT process timed out in 62593ms, After SMT, problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 62596ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67311 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:43:15] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 10) seen :[0, 1, 0, 2, 1, 0, 3, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[606, 249, 437, 237, 7, 95, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:43:15] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:43:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[606, 249, 437, 237, 7, 95, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4037 ms. (247 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 11766 ms. (849 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[606, 249, 437, 237, 10, 95, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:43:31] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:43:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:31] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:43:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:31] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2025-06-02 06:43:31] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:43:31] [INFO ] [Real]Added 98 Read/Feed constraints in 72 ms returned sat
[2025-06-02 06:43:32] [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 06:43:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 06:43:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:32] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-02 06:43:32] [INFO ] [Nat]Added 98 Read/Feed constraints in 55 ms returned sat
[2025-06-02 06:43:32] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 123 ms.
[2025-06-02 06:43:32] [INFO ] Added : 1 causal constraints over 1 iterations in 234 ms. Result :sat
Minimization took 721 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:33] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:43:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:43:34] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:43:34] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:43:34] [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 06:43:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:43:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:34] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:43:34] [INFO ] [Nat]Added 98 Read/Feed constraints in 48 ms returned sat
[2025-06-02 06:43:34] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 135 ms.
[2025-06-02 06:43:34] [INFO ] Added : 5 causal constraints over 3 iterations in 367 ms. Result :sat
Minimization took 618 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:35] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:43:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:36] [INFO ] [Real]Absence check using state equation in 396 ms returned sat
[2025-06-02 06:43:36] [INFO ] [Real]Added 98 Read/Feed constraints in 83 ms returned sat
[2025-06-02 06:43:36] [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 06:43:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:43:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:36] [INFO ] [Nat]Absence check using state equation in 361 ms returned sat
[2025-06-02 06:43:36] [INFO ] [Nat]Added 98 Read/Feed constraints in 75 ms returned sat
[2025-06-02 06:43:37] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 156 ms.
[2025-06-02 06:43:37] [INFO ] Added : 5 causal constraints over 3 iterations in 408 ms. Result :sat
Minimization took 729 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:38] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:43:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:38] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:43:38] [INFO ] [Real]Added 98 Read/Feed constraints in 95 ms returned sat
[2025-06-02 06:43:38] [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 06:43:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 06:43:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:39] [INFO ] [Nat]Absence check using state equation in 429 ms returned sat
[2025-06-02 06:43:39] [INFO ] [Nat]Added 98 Read/Feed constraints in 94 ms returned sat
[2025-06-02 06:43:39] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 175 ms.
[2025-06-02 06:43:39] [INFO ] Added : 5 causal constraints over 3 iterations in 494 ms. Result :sat
Minimization took 822 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:40] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 06:43:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:43:41] [INFO ] [Real]Absence check using state equation in 442 ms returned sat
[2025-06-02 06:43:41] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:43:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 06:43:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:42] [INFO ] [Nat]Absence check using state equation in 420 ms returned sat
[2025-06-02 06:43:42] [INFO ] [Nat]Added 98 Read/Feed constraints in 101 ms returned sat
[2025-06-02 06:43:42] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 184 ms.
[2025-06-02 06:43:42] [INFO ] Added : 2 causal constraints over 1 iterations in 411 ms. Result :sat
Minimization took 1028 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:43] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:43:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:44] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:43:44] [INFO ] [Real]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:43:44] [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 06:43:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:43:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:44] [INFO ] [Nat]Absence check using state equation in 301 ms returned sat
[2025-06-02 06:43:44] [INFO ] [Nat]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:43:44] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 128 ms.
[2025-06-02 06:43:45] [INFO ] Added : 5 causal constraints over 3 iterations in 355 ms. Result :sat
Minimization took 665 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:45] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:43:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:46] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:43:46] [INFO ] [Real]Added 98 Read/Feed constraints in 68 ms returned sat
[2025-06-02 06:43:46] [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 06:43:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:43:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:46] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2025-06-02 06:43:46] [INFO ] [Nat]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:43:47] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 120 ms.
[2025-06-02 06:43:47] [INFO ] Added : 10 causal constraints over 4 iterations in 359 ms. Result :sat
Minimization took 706 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:48] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:43:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:48] [INFO ] [Real]Absence check using state equation in 285 ms returned sat
[2025-06-02 06:43:48] [INFO ] [Real]Added 98 Read/Feed constraints in 53 ms returned sat
[2025-06-02 06:43:48] [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 06:43:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:43:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:48] [INFO ] [Nat]Absence check using state equation in 285 ms returned sat
[2025-06-02 06:43:48] [INFO ] [Nat]Added 98 Read/Feed constraints in 99 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:43:49] [INFO ] Deduced a trap composed of 131 places in 410 ms of which 11 ms to minimize.
[2025-06-02 06:43:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 477 ms
[2025-06-02 06:43:49] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 106 ms.
[2025-06-02 06:43:49] [INFO ] Added : 2 causal constraints over 1 iterations in 240 ms. Result :sat
Minimization took 565 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:50] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:43:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:50] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-02 06:43:50] [INFO ] [Real]Added 98 Read/Feed constraints in 91 ms returned sat
[2025-06-02 06:43:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:43:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:51] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:43:51] [INFO ] [Nat]Added 98 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:43:51] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:43:51] [INFO ] Added : 2 causal constraints over 1 iterations in 226 ms. Result :sat
Minimization took 596 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:43:52] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:43:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:52] [INFO ] [Real]Absence check using state equation in 279 ms returned sat
[2025-06-02 06:43:52] [INFO ] [Real]Added 98 Read/Feed constraints in 68 ms returned sat
[2025-06-02 06:43:52] [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 06:43:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:43:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:43:53] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2025-06-02 06:43:53] [INFO ] [Nat]Added 98 Read/Feed constraints in 56 ms returned sat
[2025-06-02 06:43:53] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 110 ms.
[2025-06-02 06:43:53] [INFO ] Added : 14 causal constraints over 4 iterations in 359 ms. Result :sat
Minimization took 791 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[606, 249, 437, 237, 10, 95, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[606, 249, 437, 237, 10, 95, 225, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 10 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 113 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 474/474 places, 1339/1339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Applied a total of 0 rules in 113 ms. Remains 474 /474 variables (removed 0) and now considering 1339/1339 (removed 0) transitions.
[2025-06-02 06:43:54] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:43:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:43:55] [INFO ] Implicit Places using invariants in 953 ms returned []
[2025-06-02 06:43:55] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:43:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:43:56] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:43:59] [INFO ] Implicit Places using invariants and state equation in 4214 ms returned []
Implicit Place search using SMT with State Equation took 5168 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:43:59] [INFO ] Redundant transitions in 48 ms returned []
Running 1337 sub problems to find dead transitions.
[2025-06-02 06:43:59] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:44:00] [INFO ] Invariant cache hit.
[2025-06-02 06:44:00] [INFO ] State equation strengthened by 98 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
(s403 1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s403 1.0timeout
) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 1337/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1337 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1337 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 474/1250 variables, and 2 constraints, problems are : Problem set: 0 solved, 1337 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/474 constraints, ReadFeed: 0/98 constraints, PredecessorRefiner: 0/1337 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63046ms problems are : Problem set: 0 solved, 1337 unsolved
Search for dead transitions found 0 dead transitions in 63050ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68390 ms. Remains : 474/474 places, 1339/1339 transitions.
[2025-06-02 06:45:03] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {235=1, 371=1, 704=1, 773=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {238=1, 374=1, 707=1, 770=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 10) seen :[0, 1, 0, 1, 0, 0, 2147483647, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[606, 249, 437, 237, 10, 95, +inf, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:45:03] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:45:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[606, 249, 437, 237, 10, 95, +inf, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000003 steps (2 resets) in 4121 ms. (242 steps per ms)
FORMULA FunctionPointer-PT-c008-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 9000009 steps (18 resets) in 7522 ms. (1196 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[908, 252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:45:15] [INFO ] Flow matrix only has 776 transitions (discarded 563 similar events)
[2025-06-02 06:45:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:15] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:45:15] [INFO ] [Real]Absence check using state equation in 282 ms returned sat
[2025-06-02 06:45:15] [INFO ] State equation strengthened by 98 read => feed constraints.
[2025-06-02 06:45:15] [INFO ] [Real]Added 98 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:45:15] [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 06:45:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:16] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2025-06-02 06:45:16] [INFO ] [Nat]Added 98 Read/Feed constraints in 54 ms returned sat
[2025-06-02 06:45:16] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 113 ms.
[2025-06-02 06:45:16] [INFO ] Added : 1 causal constraints over 1 iterations in 225 ms. Result :sat
Minimization took 607 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:17] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:17] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
[2025-06-02 06:45:17] [INFO ] [Real]Added 98 Read/Feed constraints in 75 ms returned sat
[2025-06-02 06:45:17] [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 06:45:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:17] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:45:17] [INFO ] [Nat]Added 98 Read/Feed constraints in 46 ms returned sat
[2025-06-02 06:45:18] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 107 ms.
[2025-06-02 06:45:18] [INFO ] Added : 5 causal constraints over 3 iterations in 337 ms. Result :sat
Minimization took 588 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:19] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:19] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2025-06-02 06:45:19] [INFO ] [Real]Added 98 Read/Feed constraints in 63 ms returned sat
[2025-06-02 06:45:19] [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 06:45:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:19] [INFO ] [Nat]Absence check using state equation in 284 ms returned sat
[2025-06-02 06:45:19] [INFO ] [Nat]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:45:20] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 105 ms.
[2025-06-02 06:45:20] [INFO ] Added : 5 causal constraints over 3 iterations in 309 ms. Result :sat
Minimization took 570 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:20] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:20] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:21] [INFO ] [Real]Absence check using state equation in 288 ms returned sat
[2025-06-02 06:45:21] [INFO ] [Real]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:45:21] [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 06:45:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:21] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-02 06:45:21] [INFO ] [Nat]Added 98 Read/Feed constraints in 62 ms returned sat
[2025-06-02 06:45:21] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 115 ms.
[2025-06-02 06:45:22] [INFO ] Added : 5 causal constraints over 3 iterations in 343 ms. Result :sat
Minimization took 574 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:22] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:45:23] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-02 06:45:23] [INFO ] [Real]Added 98 Read/Feed constraints in 50 ms returned sat
[2025-06-02 06:45:23] [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 06:45:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:23] [INFO ] [Nat]Absence check using state equation in 283 ms returned sat
[2025-06-02 06:45:23] [INFO ] [Nat]Added 98 Read/Feed constraints in 76 ms returned sat
[2025-06-02 06:45:23] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 105 ms.
[2025-06-02 06:45:24] [INFO ] Added : 2 causal constraints over 1 iterations in 253 ms. Result :sat
Minimization took 836 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:25] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:25] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2025-06-02 06:45:25] [INFO ] [Real]Added 98 Read/Feed constraints in 79 ms returned sat
[2025-06-02 06:45:25] [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 06:45:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:25] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 06:45:25] [INFO ] [Nat]Added 98 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:45:26] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 108 ms.
[2025-06-02 06:45:26] [INFO ] Added : 5 causal constraints over 3 iterations in 330 ms. Result :sat
Minimization took 567 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:26] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:27] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2025-06-02 06:45:27] [INFO ] [Real]Added 98 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:45:27] [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 06:45:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:45:27] [INFO ] [Nat]Absence check using state equation in 284 ms returned sat
[2025-06-02 06:45:27] [INFO ] [Nat]Added 98 Read/Feed constraints in 99 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:45:28] [INFO ] Deduced a trap composed of 131 places in 366 ms of which 12 ms to minimize.
[2025-06-02 06:45:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 438 ms
[2025-06-02 06:45:28] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 116 ms.
[2025-06-02 06:45:28] [INFO ] Added : 2 causal constraints over 1 iterations in 254 ms. Result :sat
Minimization took 592 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:29] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:45:29] [INFO ] [Real]Absence check using state equation in 305 ms returned sat
[2025-06-02 06:45:29] [INFO ] [Real]Added 98 Read/Feed constraints in 92 ms returned sat
[2025-06-02 06:45:29] [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 06:45:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:30] [INFO ] [Nat]Absence check using state equation in 411 ms returned sat
[2025-06-02 06:45:30] [INFO ] [Nat]Added 98 Read/Feed constraints in 82 ms returned sat
[2025-06-02 06:45:30] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 140 ms.
[2025-06-02 06:45:30] [INFO ] Added : 2 causal constraints over 1 iterations in 268 ms. Result :sat
Minimization took 618 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:31] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:45:31] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2025-06-02 06:45:31] [INFO ] [Real]Added 98 Read/Feed constraints in 84 ms returned sat
[2025-06-02 06:45:31] [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 06:45:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:32] [INFO ] [Nat]Absence check using state equation in 290 ms returned sat
[2025-06-02 06:45:32] [INFO ] [Nat]Added 98 Read/Feed constraints in 54 ms returned sat
[2025-06-02 06:45:32] [INFO ] Computed and/alt/rep : 110/243/100 causal constraints (skipped 674 transitions) in 109 ms.
[2025-06-02 06:45:32] [INFO ] Added : 14 causal constraints over 4 iterations in 349 ms. Result :sat
Minimization took 598 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[908, 252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[908, 252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 9 out of 474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 474/474 places, 1339/1339 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 473 transition count 1337
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 473 transition count 1337
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 473 transition count 1335
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 472 transition count 1333
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 472 transition count 1333
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 471 transition count 1331
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 471 transition count 1331
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 470 transition count 1329
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 470 transition count 1329
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 469 transition count 1327
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 469 transition count 1327
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 14 place count 467 transition count 1319
Iterating global reduction 1 with 2 rules applied. Total rules applied 16 place count 467 transition count 1319
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 18 place count 465 transition count 1315
Iterating global reduction 1 with 2 rules applied. Total rules applied 20 place count 465 transition count 1315
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 22 place count 463 transition count 1311
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 463 transition count 1311
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 461 transition count 1307
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 461 transition count 1307
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 30 place count 459 transition count 1303
Iterating global reduction 1 with 2 rules applied. Total rules applied 32 place count 459 transition count 1303
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 34 place count 457 transition count 1299
Iterating global reduction 1 with 2 rules applied. Total rules applied 36 place count 457 transition count 1299
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 38 place count 455 transition count 1295
Iterating global reduction 1 with 2 rules applied. Total rules applied 40 place count 455 transition count 1295
Applied a total of 40 rules in 231 ms. Remains 455 /474 variables (removed 19) and now considering 1295/1339 (removed 44) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 231 ms. Remains : 455/474 places, 1295/1339 transitions.
[2025-06-02 06:45:33] [INFO ] Flow matrix only has 746 transitions (discarded 549 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {260=1, 378=1, 581=1, 729=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {238=1, 356=1, 687=1, 743=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 9) seen :[2147483647, 2, 2, 3, 0, 0, 0, 1, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:45:34] [INFO ] Flow matrix only has 746 transitions (discarded 549 similar events)
// Phase 1: matrix 746 rows 455 cols
[2025-06-02 06:45:34] [INFO ] Computed 2 invariants in 49 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4020 ms. (248 steps per ms)
FORMULA FunctionPointer-PT-c008-UpperBounds-03 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 8000006 steps (16 resets) in 6745 ms. (1185 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:45:45] [INFO ] Flow matrix only has 746 transitions (discarded 549 similar events)
[2025-06-02 06:45:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:45] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:45] [INFO ] [Real]Absence check using state equation in 279 ms returned sat
[2025-06-02 06:45:45] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-02 06:45:45] [INFO ] [Real]Added 92 Read/Feed constraints in 71 ms returned sat
[2025-06-02 06:45:45] [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 06:45:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:45] [INFO ] [Nat]Absence check using state equation in 277 ms returned sat
[2025-06-02 06:45:45] [INFO ] [Nat]Added 92 Read/Feed constraints in 57 ms returned sat
[2025-06-02 06:45:46] [INFO ] Computed and/alt/rep : 97/173/92 causal constraints (skipped 652 transitions) in 102 ms.
[2025-06-02 06:45:46] [INFO ] Added : 4 causal constraints over 2 iterations in 255 ms. Result :sat
Minimization took 543 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:46] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:45:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:47] [INFO ] [Real]Absence check using state equation in 268 ms returned sat
[2025-06-02 06:45:47] [INFO ] [Real]Added 92 Read/Feed constraints in 42 ms returned sat
[2025-06-02 06:45:47] [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 06:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:47] [INFO ] [Nat]Absence check using state equation in 335 ms returned sat
[2025-06-02 06:45:47] [INFO ] [Nat]Added 92 Read/Feed constraints in 42 ms returned sat
[2025-06-02 06:45:47] [INFO ] Computed and/alt/rep : 97/173/92 causal constraints (skipped 652 transitions) in 149 ms.
[2025-06-02 06:45:48] [INFO ] Added : 3 causal constraints over 1 iterations in 328 ms. Result :sat
Minimization took 661 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:48] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:45:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:49] [INFO ] [Real]Absence check using state equation in 391 ms returned sat
[2025-06-02 06:45:49] [INFO ] [Real]Added 92 Read/Feed constraints in 112 ms returned sat
[2025-06-02 06:45:49] [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 06:45:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:45:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:50] [INFO ] [Nat]Absence check using state equation in 401 ms returned sat
[2025-06-02 06:45:50] [INFO ] [Nat]Added 92 Read/Feed constraints in 91 ms returned sat
[2025-06-02 06:45:50] [INFO ] Computed and/alt/rep : 97/173/92 causal constraints (skipped 652 transitions) in 163 ms.
[2025-06-02 06:45:50] [INFO ] Added : 4 causal constraints over 2 iterations in 399 ms. Result :sat
Minimization took 718 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:51] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:51] [INFO ] [Real]Absence check using state equation in 321 ms returned sat
[2025-06-02 06:45:51] [INFO ] [Real]Added 92 Read/Feed constraints in 52 ms returned sat
[2025-06-02 06:45:51] [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 06:45:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:45:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:52] [INFO ] [Nat]Absence check using state equation in 336 ms returned sat
[2025-06-02 06:45:52] [INFO ] [Nat]Added 92 Read/Feed constraints in 80 ms returned sat
[2025-06-02 06:45:52] [INFO ] Computed and/alt/rep : 97/173/92 causal constraints (skipped 652 transitions) in 100 ms.
[2025-06-02 06:45:52] [INFO ] Added : 2 causal constraints over 1 iterations in 205 ms. Result :sat
Minimization took 940 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:53] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:54] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
[2025-06-02 06:45:54] [INFO ] [Real]Added 92 Read/Feed constraints in 85 ms returned sat
[2025-06-02 06:45:54] [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 06:45:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:45:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:54] [INFO ] [Nat]Absence check using state equation in 366 ms returned sat
[2025-06-02 06:45:54] [INFO ] [Nat]Added 92 Read/Feed constraints in 59 ms returned sat
[2025-06-02 06:45:54] [INFO ] Computed and/alt/rep : 97/173/92 causal constraints (skipped 652 transitions) in 138 ms.
[2025-06-02 06:45:55] [INFO ] Added : 5 causal constraints over 3 iterations in 378 ms. Result :sat
Minimization took 644 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:55] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:56] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:45:56] [INFO ] [Real]Added 92 Read/Feed constraints in 48 ms returned sat
[2025-06-02 06:45:56] [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 06:45:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:45:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:56] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:45:56] [INFO ] [Nat]Added 92 Read/Feed constraints in 103 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:45:57] [INFO ] Deduced a trap composed of 131 places in 417 ms of which 12 ms to minimize.
[2025-06-02 06:45:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 482 ms
[2025-06-02 06:45:57] [INFO ] Computed and/alt/rep : 97/173/92 causal constraints (skipped 652 transitions) in 113 ms.
[2025-06-02 06:45:57] [INFO ] Added : 2 causal constraints over 1 iterations in 242 ms. Result :sat
Minimization took 591 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:45:58] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:45:58] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2025-06-02 06:45:58] [INFO ] [Real]Added 92 Read/Feed constraints in 43 ms returned sat
[2025-06-02 06:45:58] [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 06:45:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:45:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:45:59] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2025-06-02 06:45:59] [INFO ] [Nat]Added 92 Read/Feed constraints in 44 ms returned sat
[2025-06-02 06:45:59] [INFO ] Computed and/alt/rep : 97/173/92 causal constraints (skipped 652 transitions) in 100 ms.
[2025-06-02 06:45:59] [INFO ] Added : 2 causal constraints over 1 iterations in 204 ms. Result :sat
Minimization took 612 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:00] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:46:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:00] [INFO ] [Real]Absence check using state equation in 272 ms returned sat
[2025-06-02 06:46:00] [INFO ] [Real]Added 92 Read/Feed constraints in 40 ms returned sat
[2025-06-02 06:46:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:46:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:00] [INFO ] [Nat]Absence check using state equation in 269 ms returned sat
[2025-06-02 06:46:00] [INFO ] [Nat]Added 92 Read/Feed constraints in 48 ms returned sat
[2025-06-02 06:46:01] [INFO ] Computed and/alt/rep : 97/173/92 causal constraints (skipped 652 transitions) in 140 ms.
[2025-06-02 06:46:01] [INFO ] Added : 11 causal constraints over 4 iterations in 488 ms. Result :sat
Minimization took 659 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 8 out of 455 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 455/455 places, 1295/1295 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 454 transition count 1293
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 454 transition count 1293
Applied a total of 2 rules in 79 ms. Remains 454 /455 variables (removed 1) and now considering 1293/1295 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 454/455 places, 1293/1295 transitions.
[2025-06-02 06:46:02] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {260=1, 377=1, 708=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 325=1, 656=1, 740=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 8) seen :[2, 0, 1, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:46:02] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 06:46:02] [INFO ] Computed 2 invariants in 22 ms
Current structural bounds on expressions (after invariants) : Max Seen:[252, 437, 237, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4448 ms. (224 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 6622 ms. (1207 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:46:13] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:46:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:14] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:46:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:14] [INFO ] [Real]Absence check using state equation in 394 ms returned sat
[2025-06-02 06:46:14] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:46:14] [INFO ] [Real]Added 90 Read/Feed constraints in 64 ms returned sat
[2025-06-02 06:46:14] [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 06:46:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:46:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:14] [INFO ] [Nat]Absence check using state equation in 281 ms returned sat
[2025-06-02 06:46:14] [INFO ] [Nat]Added 90 Read/Feed constraints in 53 ms returned sat
[2025-06-02 06:46:15] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 103 ms.
[2025-06-02 06:46:15] [INFO ] Added : 16 causal constraints over 4 iterations in 372 ms. Result :sat
Minimization took 548 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:16] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:46:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 7 ms returned sat
[2025-06-02 06:46:16] [INFO ] [Real]Absence check using state equation in 282 ms returned sat
[2025-06-02 06:46:16] [INFO ] [Real]Added 90 Read/Feed constraints in 70 ms returned sat
[2025-06-02 06:46:16] [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 06:46:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:46:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:46:16] [INFO ] [Nat]Absence check using state equation in 273 ms returned sat
[2025-06-02 06:46:16] [INFO ] [Nat]Added 90 Read/Feed constraints in 64 ms returned sat
[2025-06-02 06:46:17] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 134 ms.
[2025-06-02 06:46:17] [INFO ] Added : 16 causal constraints over 4 iterations in 662 ms. Result :sat
Minimization took 823 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:18] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:46:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:46:18] [INFO ] [Real]Absence check using state equation in 383 ms returned sat
[2025-06-02 06:46:19] [INFO ] [Real]Added 90 Read/Feed constraints in 93 ms returned sat
[2025-06-02 06:46:19] [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 06:46:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:46:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:19] [INFO ] [Nat]Absence check using state equation in 364 ms returned sat
[2025-06-02 06:46:19] [INFO ] [Nat]Added 90 Read/Feed constraints in 69 ms returned sat
[2025-06-02 06:46:19] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 137 ms.
[2025-06-02 06:46:20] [INFO ] Added : 21 causal constraints over 5 iterations in 1059 ms. Result :sat
Minimization took 843 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:21] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:46:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:22] [INFO ] [Real]Absence check using state equation in 287 ms returned sat
[2025-06-02 06:46:22] [INFO ] [Real]Added 90 Read/Feed constraints in 44 ms returned sat
[2025-06-02 06:46:22] [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 06:46:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:46:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:22] [INFO ] [Nat]Absence check using state equation in 281 ms returned sat
[2025-06-02 06:46:22] [INFO ] [Nat]Added 90 Read/Feed constraints in 94 ms returned sat
[2025-06-02 06:46:22] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 106 ms.
[2025-06-02 06:46:22] [INFO ] Added : 4 causal constraints over 2 iterations in 258 ms. Result :sat
Minimization took 705 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:23] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:46:23] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:46:24] [INFO ] [Real]Absence check using state equation in 293 ms returned sat
[2025-06-02 06:46:24] [INFO ] [Real]Added 90 Read/Feed constraints in 119 ms returned sat
[2025-06-02 06:46:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:46:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-02 06:46:24] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-02 06:46:24] [INFO ] [Nat]Added 90 Read/Feed constraints in 89 ms returned sat
[2025-06-02 06:46:25] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 163 ms.
[2025-06-02 06:46:25] [INFO ] Added : 8 causal constraints over 3 iterations in 911 ms. Result :sat
Minimization took 720 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:26] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:46:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:26] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2025-06-02 06:46:27] [INFO ] [Real]Added 90 Read/Feed constraints in 53 ms returned sat
[2025-06-02 06:46:27] [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 06:46:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:46:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:27] [INFO ] [Nat]Absence check using state equation in 271 ms returned sat
[2025-06-02 06:46:27] [INFO ] [Nat]Added 90 Read/Feed constraints in 114 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:46:27] [INFO ] Deduced a trap composed of 131 places in 426 ms of which 13 ms to minimize.
[2025-06-02 06:46:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 518 ms
[2025-06-02 06:46:28] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 123 ms.
[2025-06-02 06:46:28] [INFO ] Added : 2 causal constraints over 1 iterations in 315 ms. Result :sat
Minimization took 703 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:29] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:46:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:46:29] [INFO ] [Real]Absence check using state equation in 274 ms returned sat
[2025-06-02 06:46:29] [INFO ] [Real]Added 90 Read/Feed constraints in 86 ms returned sat
[2025-06-02 06:46:29] [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 06:46:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:46:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:30] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-02 06:46:30] [INFO ] [Nat]Added 90 Read/Feed constraints in 77 ms returned sat
[2025-06-02 06:46:30] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 165 ms.
[2025-06-02 06:46:30] [INFO ] Added : 3 causal constraints over 1 iterations in 336 ms. Result :sat
Minimization took 791 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:46:31] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:46:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:31] [INFO ] [Real]Absence check using state equation in 387 ms returned sat
[2025-06-02 06:46:32] [INFO ] [Real]Added 90 Read/Feed constraints in 49 ms returned sat
[2025-06-02 06:46:32] [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 06:46:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:46:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:46:32] [INFO ] [Nat]Absence check using state equation in 267 ms returned sat
[2025-06-02 06:46:32] [INFO ] [Nat]Added 90 Read/Feed constraints in 38 ms returned sat
[2025-06-02 06:46:32] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 151 ms.
[2025-06-02 06:46:33] [INFO ] Added : 21 causal constraints over 6 iterations in 716 ms. Result :sat
Minimization took 807 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 8 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Applied a total of 0 rules in 63 ms. Remains 454 /454 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 454/454 places, 1293/1293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Applied a total of 0 rules in 66 ms. Remains 454 /454 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
[2025-06-02 06:46:36] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:46:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:46:37] [INFO ] Implicit Places using invariants in 958 ms returned []
[2025-06-02 06:46:37] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:46:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:46:38] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:46:40] [INFO ] Implicit Places using invariants and state equation in 2660 ms returned []
Implicit Place search using SMT with State Equation took 3619 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:46:40] [INFO ] Redundant transitions in 33 ms returned []
Running 1291 sub problems to find dead transitions.
[2025-06-02 06:46:40] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:46:40] [INFO ] Invariant cache hit.
[2025-06-02 06:46:40] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 454/1197 variables, and 2 constraints, problems are : Problem set: 0 solved, 1291 unsolved in 30059 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/454 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 1291/1291 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1291 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
SMT process timed out in 62328ms, After SMT, problems are : Problem set: 0 solved, 1291 unsolved
Search for dead transitions found 0 dead transitions in 62331ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66058 ms. Remains : 454/454 places, 1293/1293 transitions.
[2025-06-02 06:47:42] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {260=1, 377=1, 708=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {208=1, 325=1, 656=1, 740=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 8) seen :[2, 2, 3, 0, 2, 1, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:47:43] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:47:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 424] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4072 ms. (245 steps per ms)
BEST_FIRST walk for 8000007 steps (16 resets) in 7145 ms. (1119 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:47:54] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:47:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:47:54] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 06:47:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:47:55] [INFO ] [Real]Absence check using state equation in 364 ms returned sat
[2025-06-02 06:47:55] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:47:55] [INFO ] [Real]Added 90 Read/Feed constraints in 89 ms returned sat
[2025-06-02 06:47:55] [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 06:47:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:47:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:47:55] [INFO ] [Nat]Absence check using state equation in 326 ms returned sat
[2025-06-02 06:47:55] [INFO ] [Nat]Added 90 Read/Feed constraints in 56 ms returned sat
[2025-06-02 06:47:55] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 137 ms.
[2025-06-02 06:47:56] [INFO ] Added : 16 causal constraints over 4 iterations in 422 ms. Result :sat
Minimization took 653 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:47:57] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:47:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:47:57] [INFO ] [Real]Absence check using state equation in 408 ms returned sat
[2025-06-02 06:47:57] [INFO ] [Real]Added 90 Read/Feed constraints in 98 ms returned sat
[2025-06-02 06:47:57] [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 06:47:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:47:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:47:58] [INFO ] [Nat]Absence check using state equation in 387 ms returned sat
[2025-06-02 06:47:58] [INFO ] [Nat]Added 90 Read/Feed constraints in 106 ms returned sat
[2025-06-02 06:47:58] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 174 ms.
[2025-06-02 06:47:59] [INFO ] Added : 16 causal constraints over 4 iterations in 728 ms. Result :sat
Minimization took 797 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:00] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:48:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:00] [INFO ] [Real]Absence check using state equation in 327 ms returned sat
[2025-06-02 06:48:00] [INFO ] [Real]Added 90 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:48:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:48:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:00] [INFO ] [Nat]Absence check using state equation in 322 ms returned sat
[2025-06-02 06:48:01] [INFO ] [Nat]Added 90 Read/Feed constraints in 88 ms returned sat
[2025-06-02 06:48:01] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 174 ms.
[2025-06-02 06:48:02] [INFO ] Added : 21 causal constraints over 5 iterations in 1088 ms. Result :sat
Minimization took 849 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:03] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:48:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:03] [INFO ] [Real]Absence check using state equation in 261 ms returned sat
[2025-06-02 06:48:03] [INFO ] [Real]Added 90 Read/Feed constraints in 37 ms returned sat
[2025-06-02 06:48:03] [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 06:48:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:48:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:03] [INFO ] [Nat]Absence check using state equation in 257 ms returned sat
[2025-06-02 06:48:03] [INFO ] [Nat]Added 90 Read/Feed constraints in 86 ms returned sat
[2025-06-02 06:48:04] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 111 ms.
[2025-06-02 06:48:04] [INFO ] Added : 4 causal constraints over 2 iterations in 263 ms. Result :sat
Minimization took 798 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:05] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:48:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:48:05] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2025-06-02 06:48:05] [INFO ] [Real]Added 90 Read/Feed constraints in 80 ms returned sat
[2025-06-02 06:48:05] [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 06:48:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:48:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:05] [INFO ] [Nat]Absence check using state equation in 328 ms returned sat
[2025-06-02 06:48:06] [INFO ] [Nat]Added 90 Read/Feed constraints in 69 ms returned sat
[2025-06-02 06:48:06] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 140 ms.
[2025-06-02 06:48:06] [INFO ] Added : 8 causal constraints over 3 iterations in 628 ms. Result :sat
Minimization took 545 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:07] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:48:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:07] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-02 06:48:07] [INFO ] [Real]Added 90 Read/Feed constraints in 58 ms returned sat
[2025-06-02 06:48:07] [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 06:48:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:48:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:48:08] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2025-06-02 06:48:08] [INFO ] [Nat]Added 90 Read/Feed constraints in 104 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:48:08] [INFO ] Deduced a trap composed of 131 places in 387 ms of which 10 ms to minimize.
[2025-06-02 06:48:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 468 ms
[2025-06-02 06:48:08] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 119 ms.
[2025-06-02 06:48:08] [INFO ] Added : 2 causal constraints over 1 iterations in 272 ms. Result :sat
Minimization took 549 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:09] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:48:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:09] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-06-02 06:48:10] [INFO ] [Real]Added 90 Read/Feed constraints in 59 ms returned sat
[2025-06-02 06:48:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:48:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:10] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-02 06:48:10] [INFO ] [Nat]Added 90 Read/Feed constraints in 51 ms returned sat
[2025-06-02 06:48:10] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 114 ms.
[2025-06-02 06:48:10] [INFO ] Added : 3 causal constraints over 1 iterations in 222 ms. Result :sat
Minimization took 561 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:11] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:48:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-02 06:48:11] [INFO ] [Real]Absence check using state equation in 370 ms returned sat
[2025-06-02 06:48:11] [INFO ] [Real]Added 90 Read/Feed constraints in 86 ms returned sat
[2025-06-02 06:48:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:48:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:48:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:48:12] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2025-06-02 06:48:12] [INFO ] [Nat]Added 90 Read/Feed constraints in 41 ms returned sat
[2025-06-02 06:48:12] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 117 ms.
[2025-06-02 06:48:12] [INFO ] Added : 21 causal constraints over 6 iterations in 528 ms. Result :sat
Minimization took 872 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 8 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Applied a total of 0 rules in 62 ms. Remains 454 /454 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 454/454 places, 1293/1293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Applied a total of 0 rules in 64 ms. Remains 454 /454 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
[2025-06-02 06:48:16] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:48:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:48:16] [INFO ] Implicit Places using invariants in 656 ms returned []
[2025-06-02 06:48:16] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:48:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:48:17] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:48:19] [INFO ] Implicit Places using invariants and state equation in 2430 ms returned []
Implicit Place search using SMT with State Equation took 3087 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:48:19] [INFO ] Redundant transitions in 33 ms returned []
Running 1291 sub problems to find dead transitions.
[2025-06-02 06:48:19] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:48:19] [INFO ] Invariant cache hit.
[2025-06-02 06:48:19] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 454/1197 variables, and 2 constraints, problems are : Problem set: 0 solved, 1291 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/454 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 1291/1291 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1291 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 3 (OVERLAPS) 743/1197 variables, 454/456 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1197 variables, 90/546 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1197/1197 variables, and 1837 constraints, problems are : Problem set: 0 solved, 1291 unsolved in 31033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 454/454 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 1291/1291 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63386ms problems are : Problem set: 0 solved, 1291 unsolved
Search for dead transitions found 0 dead transitions in 63389ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66588 ms. Remains : 454/454 places, 1293/1293 transitions.
[2025-06-02 06:49:22] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {260=1, 377=1, 708=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 325=1, 656=1, 740=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 8) seen :[2, 3, 2, 0, 0, 0, 1, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:49:23] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:49:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 1000001 steps (2 resets) in 3950 ms. (253 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 6997 ms. (1143 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
[2025-06-02 06:49:34] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:49:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:34] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:49:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:49:34] [INFO ] [Real]Absence check using state equation in 376 ms returned sat
[2025-06-02 06:49:34] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:49:34] [INFO ] [Real]Added 90 Read/Feed constraints in 98 ms returned sat
[2025-06-02 06:49:34] [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 06:49:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:49:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:35] [INFO ] [Nat]Absence check using state equation in 272 ms returned sat
[2025-06-02 06:49:35] [INFO ] [Nat]Added 90 Read/Feed constraints in 53 ms returned sat
[2025-06-02 06:49:35] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 125 ms.
[2025-06-02 06:49:35] [INFO ] Added : 16 causal constraints over 4 iterations in 389 ms. Result :sat
Minimization took 561 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:36] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:49:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:36] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2025-06-02 06:49:36] [INFO ] [Real]Added 90 Read/Feed constraints in 66 ms returned sat
[2025-06-02 06:49:36] [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 06:49:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:49:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:37] [INFO ] [Nat]Absence check using state equation in 353 ms returned sat
[2025-06-02 06:49:37] [INFO ] [Nat]Added 90 Read/Feed constraints in 93 ms returned sat
[2025-06-02 06:49:37] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 126 ms.
[2025-06-02 06:49:37] [INFO ] Added : 16 causal constraints over 4 iterations in 644 ms. Result :sat
Minimization took 884 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:39] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:49:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:39] [INFO ] [Real]Absence check using state equation in 401 ms returned sat
[2025-06-02 06:49:39] [INFO ] [Real]Added 90 Read/Feed constraints in 61 ms returned sat
[2025-06-02 06:49:39] [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 06:49:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:49:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:39] [INFO ] [Nat]Absence check using state equation in 244 ms returned sat
[2025-06-02 06:49:39] [INFO ] [Nat]Added 90 Read/Feed constraints in 43 ms returned sat
[2025-06-02 06:49:40] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 146 ms.
[2025-06-02 06:49:40] [INFO ] Added : 21 causal constraints over 5 iterations in 937 ms. Result :sat
Minimization took 762 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:41] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:49:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:42] [INFO ] [Real]Absence check using state equation in 274 ms returned sat
[2025-06-02 06:49:42] [INFO ] [Real]Added 90 Read/Feed constraints in 36 ms returned sat
[2025-06-02 06:49:42] [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 06:49:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:49:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:42] [INFO ] [Nat]Absence check using state equation in 354 ms returned sat
[2025-06-02 06:49:42] [INFO ] [Nat]Added 90 Read/Feed constraints in 142 ms returned sat
[2025-06-02 06:49:42] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 167 ms.
[2025-06-02 06:49:43] [INFO ] Added : 4 causal constraints over 2 iterations in 341 ms. Result :sat
Minimization took 718 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:44] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 06:49:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:44] [INFO ] [Real]Absence check using state equation in 334 ms returned sat
[2025-06-02 06:49:44] [INFO ] [Real]Added 90 Read/Feed constraints in 73 ms returned sat
[2025-06-02 06:49:44] [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 06:49:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:49:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:44] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2025-06-02 06:49:44] [INFO ] [Nat]Added 90 Read/Feed constraints in 58 ms returned sat
[2025-06-02 06:49:45] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 109 ms.
[2025-06-02 06:49:45] [INFO ] Added : 8 causal constraints over 3 iterations in 562 ms. Result :sat
Minimization took 535 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:46] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:49:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:46] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
[2025-06-02 06:49:46] [INFO ] [Real]Added 90 Read/Feed constraints in 52 ms returned sat
[2025-06-02 06:49:46] [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 06:49:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:49:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:46] [INFO ] [Nat]Absence check using state equation in 284 ms returned sat
[2025-06-02 06:49:47] [INFO ] [Nat]Added 90 Read/Feed constraints in 102 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:49:47] [INFO ] Deduced a trap composed of 131 places in 396 ms of which 11 ms to minimize.
[2025-06-02 06:49:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 468 ms
[2025-06-02 06:49:47] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 105 ms.
[2025-06-02 06:49:47] [INFO ] Added : 2 causal constraints over 1 iterations in 271 ms. Result :sat
Minimization took 538 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:48] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:49:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:48] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-02 06:49:48] [INFO ] [Real]Added 90 Read/Feed constraints in 53 ms returned sat
[2025-06-02 06:49:48] [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 06:49:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:49:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:49] [INFO ] [Nat]Absence check using state equation in 285 ms returned sat
[2025-06-02 06:49:49] [INFO ] [Nat]Added 90 Read/Feed constraints in 47 ms returned sat
[2025-06-02 06:49:49] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 113 ms.
[2025-06-02 06:49:49] [INFO ] Added : 3 causal constraints over 1 iterations in 220 ms. Result :sat
Minimization took 537 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:50] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 06:49:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 06:49:50] [INFO ] [Real]Absence check using state equation in 281 ms returned sat
[2025-06-02 06:49:50] [INFO ] [Real]Added 90 Read/Feed constraints in 55 ms returned sat
[2025-06-02 06:49:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:49:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 06:49:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:49:50] [INFO ] [Nat]Absence check using state equation in 259 ms returned sat
[2025-06-02 06:49:50] [INFO ] [Nat]Added 90 Read/Feed constraints in 38 ms returned sat
[2025-06-02 06:49:51] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 111 ms.
[2025-06-02 06:49:51] [INFO ] Added : 21 causal constraints over 6 iterations in 469 ms. Result :sat
Minimization took 681 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Support contains 8 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Applied a total of 0 rules in 63 ms. Remains 454 /454 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 454/454 places, 1293/1293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Applied a total of 0 rules in 63 ms. Remains 454 /454 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
[2025-06-02 06:49:55] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:49:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:49:56] [INFO ] Implicit Places using invariants in 614 ms returned []
[2025-06-02 06:49:56] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:49:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:49:56] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:49:58] [INFO ] Implicit Places using invariants and state equation in 2384 ms returned []
Implicit Place search using SMT with State Equation took 3002 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:49:58] [INFO ] Redundant transitions in 34 ms returned []
Running 1291 sub problems to find dead transitions.
[2025-06-02 06:49:58] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:49:58] [INFO ] Invariant cache hit.
[2025-06-02 06:49:58] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 454/1197 variables, and 2 constraints, problems are : Problem set: 0 solved, 1291 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/454 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 1291/1291 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1291 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1291 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1291 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 454/1197 variables, and 2 constraints, problems are : Problem set: 0 solved, 1291 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/454 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 0/1291 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62690ms problems are : Problem set: 0 solved, 1291 unsolved
Search for dead transitions found 0 dead transitions in 62692ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65799 ms. Remains : 454/454 places, 1293/1293 transitions.
[2025-06-02 06:51:01] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {260=1, 377=1, 708=1, 742=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 325=1, 656=1, 740=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 8) seen :[2, 0, 2, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
RANDOM walk for 40000 steps (8 resets) in 2018 ms. (19 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 381 ms. (104 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 300 ms. (132 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 287 ms. (138 steps per ms) remains 9/9 properties
[2025-06-02 06:51:03] [INFO ] Flatten gal took : 415 ms
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 272 ms. (146 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 299 ms. (133 steps per ms) remains 9/9 properties
[2025-06-02 06:51:03] [INFO ] Flatten gal took : 288 ms
BEST_FIRST walk for 40004 steps (8 resets) in 229 ms. (173 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 292 ms. (136 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 248 ms. (160 steps per ms) remains 9/9 properties
[2025-06-02 06:51:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15946474492754275260.gal : 150 ms
[2025-06-02 06:51:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5077978391669284473.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/ReachabilityCardinality15946474492754275260.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5077978391669284473.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/ReachabilityCardinality5077978391669284473.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :31 after 1994
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :1994 after 1.22555e+06
Interrupted probabilistic random walk after 111949 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :0 out of 9
Probabilistic random walk after 111949 steps, saw 68666 distinct states, run finished after 3011 ms. (steps per millisecond=37 ) properties seen :0
[2025-06-02 06:51:06] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:51:06] [INFO ] Invariant cache hit.
[2025-06-02 06:51:06] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 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) 75/1123 variables, 17/409 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1123 variables, 82/491 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1123 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 67/1190 variables, 39/530 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1190 variables, 1/531 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1190 variables, 8/539 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1190 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 7/1197 variables, 7/546 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1197 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 0/1197 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1197/1197 variables, and 546 constraints, problems are : Problem set: 0 solved, 9 unsolved in 2351 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 454/454 constraints, ReadFeed: 90/90 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 5.0 s and query timeout 500.0 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) 75/1123 variables, 17/409 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1123 variables, 82/491 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1123 variables, 9/500 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 06:51:10] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:10] [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 06:51:10] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:10] [INFO ] Deduced a trap along path composed of 3 places in 41 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:10] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:10] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:10] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:10] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1123 variables, 8/508 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1123 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 67/1190 variables, 39/547 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1190 variables, 1/548 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1190 variables, 8/556 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 06:51:11] [INFO ] Deduced a trap composed of 131 places in 422 ms of which 10 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1190 variables, 1/557 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 06:51:12] [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 06:51:12] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,9 properties remain. new max is 32
[2025-06-02 06:51:12] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
SDD size :1.22555e+06 after 2.64763e+10
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:12] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:12] [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 06:51:12] [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 06:51:12] [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 06:51:12] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:12] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:12] [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 06:51:12] [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 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:13] [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 06:51:13] [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 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:13] [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 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/1190 variables, 20/577 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 06:51:13] [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 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:13] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
SMT process timed out in 7397ms, After SMT, problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 1 different solutions.
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :2.64763e+10 after 7.78635e+13
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :7.78635e+13 after 3.15651e+14
Parikh walk visited 0 properties in 29844 ms.
Support contains 8 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Applied a total of 0 rules in 71 ms. Remains 454 /454 variables (removed 0) and now considering 1293/1293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 454/454 places, 1293/1293 transitions.
RANDOM walk for 40000 steps (8 resets) in 460 ms. (86 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 114 ms. (347 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 103 ms. (384 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 105 ms. (377 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (9 resets) in 96 ms. (412 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :3.15651e+14 after 3.22874e+14
Interrupted probabilistic random walk after 173622 steps, run timeout after 3001 ms. (steps per millisecond=57 ) properties seen :0 out of 9
Probabilistic random walk after 173622 steps, saw 106481 distinct states, run finished after 3001 ms. (steps per millisecond=57 ) properties seen :0
[2025-06-02 06:51:47] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:51:47] [INFO ] Invariant cache hit.
[2025-06-02 06:51:47] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 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) 75/1123 variables, 17/409 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1123 variables, 82/491 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1123 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 67/1190 variables, 39/530 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1190 variables, 1/531 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1190 variables, 8/539 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1190 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 7/1197 variables, 7/546 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1197 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 0/1197 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1197/1197 variables, and 546 constraints, problems are : Problem set: 0 solved, 9 unsolved in 1913 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 454/454 constraints, ReadFeed: 90/90 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 45.0 s and query timeout 4500.0 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) 75/1123 variables, 17/409 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1123 variables, 82/491 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1123 variables, 9/500 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 06:51:50] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:50] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:50] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:50] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:50] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:50] [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 06:51:50] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:50] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1123 variables, 8/508 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1123 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 67/1190 variables, 39/547 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1190 variables, 1/548 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1190 variables, 8/556 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 06:51:51] [INFO ] Deduced a trap composed of 131 places in 288 ms of which 9 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1190 variables, 1/557 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 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [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 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [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 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:52] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/1190 variables, 20/577 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 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [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 06:51:53] [INFO ] Flatten gal took : 122 ms
[2025-06-02 06:51:53] [INFO ] Applying decomposition
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 68 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
[2025-06-02 06:51:53] [INFO ] Flatten gal took : 120 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:53] [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 06:51:54] [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 06:51:54] [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 06:51:54] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
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/graph9777679399214353744.txt' '-o' '/tmp/graph9777679399214353744.bin' '-w' '/tmp/graph9777679399214353744.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9777679399214353744.bin' '-l' '-1' '-v' '-w' '/tmp/graph9777679399214353744.weights' '-q' '0' '-e' '0.001'
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:54] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
[2025-06-02 06:51:54] [INFO ] Decomposing Gal with order
[2025-06-02 06:51:54] [INFO ] Rewriting arrays to variables to allow decomposition.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:54] [INFO ] Deduced a trap along path composed of 3 places in 67 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:54] [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 06:51:54] [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 06:51:54] [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 06:51:54] [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 06:51:54] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
[2025-06-02 06:51:54] [INFO ] Removed a total of 2221 redundant transitions.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:54] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1190 variables, 20/597 constraints. Problems are: Problem set: 0 solved, 9 unsolved
[2025-06-02 06:51:54] [INFO ] Flatten gal took : 345 ms
[2025-06-02 06:51:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 914 labels/synchronizations in 119 ms.
[2025-06-02 06:51:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18409948760573546433.gal : 33 ms
[2025-06-02 06:51:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14481750019080153444.prop : 4 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/ReachabilityCardinality18409948760573546433.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14481750019080153444.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/ReachabilityCardinality14481750019080153444.prop.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:55] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:55] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:55] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:55] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:55] [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 06:51:55] [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 06:51:55] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:55] [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 06:51:55] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:55] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:55] [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 06:51:56] [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 06:51:56] [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 06:51:56] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:51:56] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1190 variables, 15/612 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1190 variables, 0/612 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 7/1197 variables, 7/619 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 06:51:57] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/1197 variables, 1/620 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1197 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (OVERLAPS) 0/1197 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1197/1197 variables, and 620 constraints, problems are : Problem set: 0 solved, 9 unsolved in 11202 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 454/454 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 64/64 constraints]
After SMT, in 13154ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 6 different solutions.
Parikh walk visited 1 properties in 30021 ms.
Support contains 7 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 453 transition count 1291
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 453 transition count 1291
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 453 transition count 1289
Applied a total of 4 rules in 84 ms. Remains 453 /454 variables (removed 1) and now considering 1289/1293 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84 ms. Remains : 453/454 places, 1289/1293 transitions.
RANDOM walk for 40000 steps (8 resets) in 377 ms. (105 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 66 ms. (597 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 66 ms. (597 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 139507 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :0 out of 8
Probabilistic random walk after 139507 steps, saw 85564 distinct states, run finished after 3001 ms. (steps per millisecond=46 ) properties seen :0
[2025-06-02 06:52:33] [INFO ] Flow matrix only has 741 transitions (discarded 548 similar events)
// Phase 1: matrix 741 rows 453 cols
[2025-06-02 06:52:33] [INFO ] Computed 2 invariants in 50 ms
[2025-06-02 06:52:34] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 383/390 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/390 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 655/1045 variables, 390/391 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1045 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 75/1120 variables, 17/408 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1120 variables, 82/490 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1120 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 67/1187 variables, 39/529 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1187 variables, 1/530 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1187 variables, 8/538 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1187 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 7/1194 variables, 7/545 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1194 variables, 0/545 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 0/1194 variables, 0/545 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1194/1194 variables, and 545 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2485 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 453/453 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 383/390 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/390 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 655/1045 variables, 390/391 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1045 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 75/1120 variables, 17/408 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1120 variables, 82/490 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1120 variables, 8/498 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:52:37] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:52:37] [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 06:52:37] [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 06:52:37] [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 06:52:37] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:52:37] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:52:38] [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 06:52:38] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1120 variables, 8/506 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1120 variables, 0/506 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 67/1187 variables, 39/545 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1187 variables, 1/546 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1187 variables, 8/554 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:52:39] [INFO ] Deduced a trap composed of 131 places in 332 ms of which 12 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1187 variables, 1/555 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1187 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 7/1194 variables, 7/562 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:52:40] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:52:40] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1194 variables, 2/564 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1194 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (OVERLAPS) 0/1194 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1194/1194 variables, and 564 constraints, problems are : Problem set: 0 solved, 8 unsolved in 8615 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 453/453 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 10/10 constraints]
After SMT, in 11255ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 7 different solutions.
Detected timeout of ITS tools.
Parikh walk visited 0 properties in 47755 ms.
Support contains 7 out of 453 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 453/453 places, 1289/1289 transitions.
Applied a total of 0 rules in 63 ms. Remains 453 /453 variables (removed 0) and now considering 1289/1289 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 453/453 places, 1289/1289 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 453/453 places, 1289/1289 transitions.
Applied a total of 0 rules in 63 ms. Remains 453 /453 variables (removed 0) and now considering 1289/1289 (removed 0) transitions.
[2025-06-02 06:53:33] [INFO ] Flow matrix only has 741 transitions (discarded 548 similar events)
[2025-06-02 06:53:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:53:33] [INFO ] Implicit Places using invariants in 539 ms returned []
[2025-06-02 06:53:33] [INFO ] Flow matrix only has 741 transitions (discarded 548 similar events)
[2025-06-02 06:53:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:53:33] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:53:36] [INFO ] Implicit Places using invariants and state equation in 2828 ms returned []
Implicit Place search using SMT with State Equation took 3369 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:53:36] [INFO ] Redundant transitions in 157 ms returned []
Running 1287 sub problems to find dead transitions.
[2025-06-02 06:53:36] [INFO ] Flow matrix only has 741 transitions (discarded 548 similar events)
[2025-06-02 06:53:36] [INFO ] Invariant cache hit.
[2025-06-02 06:53:36] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/453 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/453 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 453/1194 variables, and 2 constraints, problems are : Problem set: 0 solved, 1287 unsolved in 30064 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/453 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 1287/1287 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1287 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/453 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/453 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 453/1194 variables, and 2 constraints, problems are : Problem set: 0 solved, 1287 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/453 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 0/1287 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63209ms problems are : Problem set: 0 solved, 1287 unsolved
Search for dead transitions found 0 dead transitions in 63227ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66839 ms. Remains : 453/453 places, 1289/1289 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[252, 452, 255, 10, 95, 8, 7, 465] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 8, +inf]
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-04
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 06:54:39] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 06:54:39] [INFO ] Computed 2 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 65 ms. (151 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:[3] Max Struct:[+inf]
[2025-06-02 06:54:39] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:54:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:54:40] [INFO ] [Real]Absence check using 1 positive place invariants in 11 ms returned sat
[2025-06-02 06:54:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:54:40] [INFO ] [Real]Absence check using state equation in 394 ms returned sat
[2025-06-02 06:54:40] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:54:40] [INFO ] [Real]Added 90 Read/Feed constraints in 46 ms returned sat
[2025-06-02 06:54:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:54:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 06:54:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:54:40] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2025-06-02 06:54:41] [INFO ] [Nat]Added 90 Read/Feed constraints in 95 ms returned sat
[2025-06-02 06:54:41] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 500 ms.
[2025-06-02 06:54:42] [INFO ] Added : 18 causal constraints over 4 iterations in 998 ms. Result :sat
Minimization took 637 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Graph (complete) has 2217 edges and 454 vertex of which 448 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 448 transition count 1282
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 444 transition count 1272
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 444 transition count 1272
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 22 place count 444 transition count 1270
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 441 transition count 1262
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 441 transition count 1262
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 438 transition count 1254
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 438 transition count 1254
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 37 place count 435 transition count 1248
Iterating global reduction 2 with 3 rules applied. Total rules applied 40 place count 435 transition count 1248
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 432 transition count 1242
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 432 transition count 1242
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 429 transition count 1236
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 429 transition count 1236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 55 place count 426 transition count 1230
Iterating global reduction 2 with 3 rules applied. Total rules applied 58 place count 426 transition count 1230
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 424 transition count 1226
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 424 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 63 place count 423 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 423 transition count 1224
Applied a total of 64 rules in 284 ms. Remains 423 /454 variables (removed 31) and now considering 1224/1293 (removed 69) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 285 ms. Remains : 423/454 places, 1224/1293 transitions.
[2025-06-02 06:54:43] [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 268 ms. (steps per millisecond=37 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-02 06:54:43] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2025-06-02 06:54:43] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 3858 ms. (259 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 781 ms. (1278 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[219] Max Struct:[+inf]
[2025-06-02 06:54:48] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:54:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:54:48] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 06:54:48] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2025-06-02 06:54:48] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 06:54:48] [INFO ] [Real]Added 75 Read/Feed constraints in 34 ms returned sat
[2025-06-02 06:54:48] [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 06:54:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 06:54:49] [INFO ] [Nat]Absence check using state equation in 319 ms returned sat
[2025-06-02 06:54:49] [INFO ] [Nat]Added 75 Read/Feed constraints in 48 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:54:49] [INFO ] Deduced a trap composed of 70 places in 441 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:54:50] [INFO ] Deduced a trap composed of 77 places in 533 ms of which 46 ms to minimize.
[2025-06-02 06:54:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1077 ms
[2025-06-02 06:54:50] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 163 ms.
[2025-06-02 06:54:51] [INFO ] Added : 34 causal constraints over 9 iterations in 925 ms. Result :sat
Minimization took 526 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[219] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[219] 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 64 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 64 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 61 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 06:54:54] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:54:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:54:55] [INFO ] Implicit Places using invariants in 908 ms returned []
[2025-06-02 06:54:55] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:54:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:54:55] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 06:54:58] [INFO ] Implicit Places using invariants and state equation in 2832 ms returned []
Implicit Place search using SMT with State Equation took 3745 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:54:58] [INFO ] Redundant transitions in 34 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 06:54:58] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:54:58] [INFO ] Invariant cache hit.
[2025-06-02 06:54:58] [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) 0/423 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 06:55:21] [INFO ] Deduced a trap composed of 131 places in 387 ms of which 14 ms to minimize.
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 30036 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
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 30039 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 62441ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62445ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66295 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 06:56:00] [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 117 ms. (steps per millisecond=85 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[219] Max Struct:[+inf]
[2025-06-02 06:56:01] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:56:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[219] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3857 ms. (259 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 787 ms. (1269 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[219] Max Struct:[+inf]
[2025-06-02 06:56:06] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:56:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:56:06] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 06:56:06] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2025-06-02 06:56:06] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 06:56:06] [INFO ] [Real]Added 75 Read/Feed constraints in 30 ms returned sat
[2025-06-02 06:56:06] [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 06:56:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 06:56:06] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-02 06:56:07] [INFO ] [Nat]Added 75 Read/Feed constraints in 44 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:56:07] [INFO ] Deduced a trap composed of 70 places in 450 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:56:08] [INFO ] Deduced a trap composed of 77 places in 528 ms of which 46 ms to minimize.
[2025-06-02 06:56:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1098 ms
[2025-06-02 06:56:08] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 166 ms.
[2025-06-02 06:56:09] [INFO ] Added : 34 causal constraints over 9 iterations in 937 ms. Result :sat
Minimization took 568 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[219] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[219] 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 64 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 64 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 68 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 06:56:12] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:56:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:56:12] [INFO ] Implicit Places using invariants in 603 ms returned []
[2025-06-02 06:56:12] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:56:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:56:13] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 06:56:15] [INFO ] Implicit Places using invariants and state equation in 2833 ms returned []
Implicit Place search using SMT with State Equation took 3443 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:56:15] [INFO ] Redundant transitions in 27 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 06:56:15] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:56:15] [INFO ] Invariant cache hit.
[2025-06-02 06:56:15] [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 06:56:37] [INFO ] Deduced a trap composed of 131 places in 475 ms of which 13 ms to minimize.
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0.0 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 30043 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
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 30040 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 62475ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62479ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66032 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 06:57:18] [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 109 ms. (steps per millisecond=91 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[219] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 529 ms. (75 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
[2025-06-02 06:57:19] [INFO ] Flatten gal took : 525 ms
[2025-06-02 06:57:19] [INFO ] Flatten gal took : 116 ms
[2025-06-02 06:57:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8752726380446063227.gal : 52 ms
[2025-06-02 06:57:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8608857680345254250.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/ReachabilityCardinality8752726380446063227.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8608857680345254250.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/ReachabilityCardinality8608857680345254250.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 1994
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1994 after 1.22555e+06
Interrupted probabilistic random walk after 347749 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 1
Probabilistic random walk after 347749 steps, saw 213245 distinct states, run finished after 3001 ms. (steps per millisecond=115 ) properties seen :0
[2025-06-02 06:57:22] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:57:22] [INFO ] Invariant cache hit.
[2025-06-02 06:57:22] [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
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
All remaining problems are real, not stopping.
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 669 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:23] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:23] [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 06:57:23] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:23] [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 06:57:23] [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 06:57:23] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1113 variables, 5/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:23] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:23] [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) 0/1113 variables, 2/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1113 variables, 0/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 1/1114 variables, 1/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1114 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1114 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 510 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1227 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: 8/8 constraints]
After SMT, in 1909ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2456 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 58 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 58 ms. Remains : 423/423 places, 1224/1224 transitions.
RANDOM walk for 40001 steps (8 resets) in 221 ms. (180 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.22555e+06 after 2.64763e+10
Interrupted probabilistic random walk after 365704 steps, run timeout after 3001 ms. (steps per millisecond=121 ) properties seen :0 out of 1
Probabilistic random walk after 365704 steps, saw 224254 distinct states, run finished after 3001 ms. (steps per millisecond=121 ) properties seen :0
[2025-06-02 06:57:29] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:57:29] [INFO ] Invariant cache hit.
[2025-06-02 06:57:29] [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) 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
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
All remaining problems are real, not stopping.
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 668 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:30] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:30] [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 06:57:31] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:31] [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 06:57:31] [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 06:57:31] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1113 variables, 5/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:57:31] [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 06:57:31] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1113 variables, 2/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1113 variables, 0/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 1/1114 variables, 1/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1114 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1114 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 510 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1129 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: 8/8 constraints]
After SMT, in 1809ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2378 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 56 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 57 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 57 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 06:57:33] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:57:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:57:34] [INFO ] Implicit Places using invariants in 530 ms returned []
[2025-06-02 06:57:34] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:57:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:57:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 06:57:36] [INFO ] Implicit Places using invariants and state equation in 2390 ms returned []
Implicit Place search using SMT with State Equation took 2939 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:57:36] [INFO ] Redundant transitions in 28 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 06:57:36] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 06:57:36] [INFO ] Invariant cache hit.
[2025-06-02 06:57:36] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2.64763e+10 after 7.78635e+13
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :7.78635e+13 after 2.43134e+14
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.43134e+14 after 3.44424e+14
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.44424e+14 after 6.39645e+14
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.39645e+14 after 1.10926e+15
[2025-06-02 06:57:52] [INFO ] Deduced a trap composed of 131 places in 302 ms of which 8 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.10926e+15 after 1.12024e+15
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.12024e+15 after 1.79843e+15
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.79843e+15 after 3.82011e+15
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :3.82011e+15 after 4.01715e+15
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
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(s332 0.0)
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(s336 1.0)
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(s350 1.0)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
Detected timeout of ITS tools.
[2025-06-02 06:58:09] [INFO ] Flatten gal took : 48 ms
[2025-06-02 06:58:09] [INFO ] Applying decomposition
[2025-06-02 06:58:10] [INFO ] Flatten gal took : 60 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/graph12929602131474786211.txt' '-o' '/tmp/graph12929602131474786211.bin' '-w' '/tmp/graph12929602131474786211.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12929602131474786211.bin' '-l' '-1' '-v' '-w' '/tmp/graph12929602131474786211.weights' '-q' '0' '-e' '0.001'
[2025-06-02 06:58:10] [INFO ] Decomposing Gal with order
[2025-06-02 06:58:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 06:58:10] [INFO ] Removed a total of 2102 redundant transitions.
[2025-06-02 06:58:10] [INFO ] Flatten gal took : 100 ms
[2025-06-02 06:58:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 850 labels/synchronizations in 114 ms.
[2025-06-02 06:58:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7753514680919905510.gal : 26 ms
[2025-06-02 06:58:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3492638571008951936.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/ReachabilityCardinality7753514680919905510.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3492638571008951936.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/ReachabilityCardinality3492638571008951936.prop.
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
At refinement iteration 4 (INCLUDED_ONLY) 0/1114 variables, 75/502 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 1724 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30982 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63029ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 63032ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66064 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 144 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 06:58:40] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 06:58:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 06:58:40] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 06:58:40] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 06:58:40] [INFO ] After 9ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 06:58:40] [INFO ] After 75ms 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 06:58:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 06:58:40] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 06:58:40] [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 06:58:40] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 06:58:40] [INFO ] After 66ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 06:58:40] [INFO ] Flatten gal took : 3 ms
[2025-06-02 06:58:40] [INFO ] Flatten gal took : 2 ms
[2025-06-02 06:58:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4412577954875780938.gal : 1 ms
[2025-06-02 06:58:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13278940734124392769.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/ReachabilityCardinality4412577954875780938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13278940734124392769.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/ReachabilityCardinality13278940734124392769.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 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 126
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :126 after 615
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :615 after 8175
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :8175 after 23775
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :23775 after 54735
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :54735 after 116415
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :116415 after 239535
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :239535 after 485535
Detected timeout of ITS tools.
[2025-06-02 06:58:55] [INFO ] Flatten gal took : 5 ms
[2025-06-02 06:58:55] [INFO ] Applying decomposition
[2025-06-02 06:58:55] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5472169654650606240.txt' '-o' '/tmp/graph5472169654650606240.bin' '-w' '/tmp/graph5472169654650606240.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5472169654650606240.bin' '-l' '-1' '-v' '-w' '/tmp/graph5472169654650606240.weights' '-q' '0' '-e' '0.001'
[2025-06-02 06:58:55] [INFO ] Decomposing Gal with order
[2025-06-02 06:58:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 06:58:55] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 06:58:55] [INFO ] Flatten gal took : 4 ms
[2025-06-02 06:58:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-02 06:58:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15174680793145122768.gal : 1 ms
[2025-06-02 06:58:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15890510472058804968.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/ReachabilityCardinality15174680793145122768.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15890510472058804968.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/ReachabilityCardinality15890510472058804968.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 17
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30401 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[219] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-04 in 270556 ms.
Starting property specific reduction for FunctionPointer-PT-c008-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 06:59:10] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 06:59:10] [INFO ] Computed 2 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 42 ms. (232 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 06:59:10] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 06:59:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:59:10] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-02 06:59:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 06:59:10] [INFO ] [Real]Absence check using state equation in 350 ms returned sat
[2025-06-02 06:59:10] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 06:59:11] [INFO ] [Real]Added 90 Read/Feed constraints in 67 ms returned sat
[2025-06-02 06:59:11] [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 06:59:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 06:59:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 06:59:11] [INFO ] [Nat]Absence check using state equation in 375 ms returned sat
[2025-06-02 06:59:11] [INFO ] [Nat]Added 90 Read/Feed constraints in 78 ms returned sat
[2025-06-02 06:59:11] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 172 ms.
[2025-06-02 06:59:12] [INFO ] Added : 16 causal constraints over 4 iterations in 695 ms. Result :sat
Minimization took 587 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Graph (complete) has 2217 edges and 454 vertex of which 448 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 448 transition count 1282
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 444 transition count 1274
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 444 transition count 1274
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 24 place count 444 transition count 1270
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 27 place count 441 transition count 1262
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 441 transition count 1262
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 438 transition count 1254
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 438 transition count 1254
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 435 transition count 1246
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 435 transition count 1246
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 432 transition count 1240
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 432 transition count 1240
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 429 transition count 1234
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 429 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 57 place count 426 transition count 1228
Iterating global reduction 2 with 3 rules applied. Total rules applied 60 place count 426 transition count 1228
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 63 place count 423 transition count 1222
Iterating global reduction 2 with 3 rules applied. Total rules applied 66 place count 423 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 68 place count 421 transition count 1218
Iterating global reduction 2 with 2 rules applied. Total rules applied 70 place count 421 transition count 1218
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 71 place count 420 transition count 1216
Iterating global reduction 2 with 1 rules applied. Total rules applied 72 place count 420 transition count 1216
Applied a total of 72 rules in 297 ms. Remains 420 /454 variables (removed 34) and now considering 1216/1293 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 298 ms. Remains : 420/454 places, 1216/1293 transitions.
[2025-06-02 06:59:13] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 06:59:13] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
// Phase 1: matrix 687 rows 420 cols
[2025-06-02 06:59:13] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 3882 ms. (257 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 904 ms. (1104 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 06:59:18] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 06:59:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:59:18] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 06:59:18] [INFO ] [Real]Absence check using state equation in 243 ms returned sat
[2025-06-02 06:59:18] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 06:59:18] [INFO ] [Real]Added 75 Read/Feed constraints in 34 ms returned sat
[2025-06-02 06:59:18] [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 06:59:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 06:59:19] [INFO ] [Nat]Absence check using state equation in 384 ms returned sat
[2025-06-02 06:59:19] [INFO ] [Nat]Added 75 Read/Feed constraints in 91 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:59:20] [INFO ] Deduced a trap composed of 70 places in 486 ms of which 32 ms to minimize.
[2025-06-02 06:59:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 565 ms
[2025-06-02 06:59:20] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 176 ms.
[2025-06-02 06:59:20] [INFO ] Added : 12 causal constraints over 4 iterations in 601 ms. Result :sat
Minimization took 535 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 123 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 124 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 111 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-02 06:59:21] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 06:59:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:59:22] [INFO ] Implicit Places using invariants in 735 ms returned []
[2025-06-02 06:59:22] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 06:59:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:59:22] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 06:59:25] [INFO ] Implicit Places using invariants and state equation in 2850 ms returned []
Implicit Place search using SMT with State Equation took 3587 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:59:25] [INFO ] Redundant transitions in 27 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-02 06:59:25] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 06:59:25] [INFO ] Invariant cache hit.
[2025-06-02 06:59:25] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:59:47] [INFO ] Deduced a trap composed of 131 places in 387 ms of which 13 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 4 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
(s317 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 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 Int declared 420/1107 variables, and 4 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1214 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62977ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 62982ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66715 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-02 07:00:28] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2025-06-02 07:00:28] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 07:00:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4246 ms. (235 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 844 ms. (1183 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2025-06-02 07:00:33] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 07:00:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:00:34] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 07:00:34] [INFO ] [Real]Absence check using state equation in 364 ms returned sat
[2025-06-02 07:00:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:00:34] [INFO ] [Real]Added 75 Read/Feed constraints in 53 ms returned sat
[2025-06-02 07:00:34] [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 07:00:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 07:00:35] [INFO ] [Nat]Absence check using state equation in 352 ms returned sat
[2025-06-02 07:00:35] [INFO ] [Nat]Added 75 Read/Feed constraints in 105 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:00:35] [INFO ] Deduced a trap composed of 70 places in 645 ms of which 52 ms to minimize.
[2025-06-02 07:00:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 729 ms
[2025-06-02 07:00:36] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 156 ms.
[2025-06-02 07:00:36] [INFO ] Added : 12 causal constraints over 4 iterations in 579 ms. Result :sat
Minimization took 505 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 72 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 69 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-02 07:00:37] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 07:00:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:00:37] [INFO ] Implicit Places using invariants in 734 ms returned []
[2025-06-02 07:00:37] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 07:00:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:00:38] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:00:40] [INFO ] Implicit Places using invariants and state equation in 2568 ms returned []
Implicit Place search using SMT with State Equation took 3304 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:00:40] [INFO ] Redundant transitions in 27 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-02 07:00:40] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 07:00:40] [INFO ] Invariant cache hit.
[2025-06-02 07:00:40] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:01:03] [INFO ] Deduced a trap composed of 131 places in 257 ms of which 10 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 4 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 420/1107 variables, and 4 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1214 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62392ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 62395ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65807 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-02 07:01:42] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 117 ms. (steps per millisecond=85 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2025-06-02 07:01:43] [INFO ] Flatten gal took : 119 ms
RANDOM walk for 40006 steps (8 resets) in 459 ms. (86 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
[2025-06-02 07:01:43] [INFO ] Flatten gal took : 79 ms
[2025-06-02 07:01:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7668551647139582759.gal : 9 ms
[2025-06-02 07:01:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4627761803288036993.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/ReachabilityCardinality7668551647139582759.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4627761803288036993.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/ReachabilityCardinality4627761803288036993.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 1994
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1994 after 1.22555e+06
Interrupted probabilistic random walk after 353388 steps, run timeout after 3001 ms. (steps per millisecond=117 ) properties seen :0 out of 1
Probabilistic random walk after 353388 steps, saw 216701 distinct states, run finished after 3001 ms. (steps per millisecond=117 ) properties seen :0
[2025-06-02 07:01:46] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-02 07:01:46] [INFO ] Invariant cache hit.
[2025-06-02 07:01:46] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/372 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/372 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 605/977 variables, 337/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/977 variables, 74/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1039 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1039 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1107 variables, 68/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1107/1107 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 409 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/372 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/372 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 605/977 variables, 337/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 74/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/977 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1039 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1039 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1107 variables, 68/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 573 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 991ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 51 ms.
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 57 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 420/420 places, 1216/1216 transitions.
RANDOM walk for 40003 steps (8 resets) in 226 ms. (176 steps per ms) remains 1/1 properties
BEST_FIRST walk for 32634 steps (6 resets) in 71 ms. (453 steps per ms) remains 0/1 properties
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:[6] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-05 in 157608 ms.
Starting property specific reduction for FunctionPointer-PT-c008-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 07:01:47] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 07:01:47] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 45 ms. (217 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 07:01:48] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 07:01:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:01:48] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 07:01:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:01:48] [INFO ] [Real]Absence check using state equation in 274 ms returned sat
[2025-06-02 07:01:48] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 07:01:48] [INFO ] [Real]Added 90 Read/Feed constraints in 70 ms returned sat
[2025-06-02 07:01:48] [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 07:01:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 07:01:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:01:49] [INFO ] [Nat]Absence check using state equation in 373 ms returned sat
[2025-06-02 07:01:49] [INFO ] [Nat]Added 90 Read/Feed constraints in 76 ms returned sat
[2025-06-02 07:01:49] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 119 ms.
[2025-06-02 07:01:49] [INFO ] Added : 21 causal constraints over 5 iterations in 521 ms. Result :sat
Minimization took 600 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Graph (complete) has 2217 edges and 454 vertex of which 448 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 448 transition count 1282
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 444 transition count 1272
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 444 transition count 1272
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 22 place count 444 transition count 1270
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 441 transition count 1262
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 441 transition count 1262
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 438 transition count 1254
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 438 transition count 1254
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 37 place count 435 transition count 1248
Iterating global reduction 2 with 3 rules applied. Total rules applied 40 place count 435 transition count 1248
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 432 transition count 1242
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 432 transition count 1242
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 429 transition count 1236
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 429 transition count 1236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 55 place count 426 transition count 1230
Iterating global reduction 2 with 3 rules applied. Total rules applied 58 place count 426 transition count 1230
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 424 transition count 1226
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 424 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 63 place count 423 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 423 transition count 1224
Applied a total of 64 rules in 276 ms. Remains 423 /454 variables (removed 31) and now considering 1224/1293 (removed 69) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 277 ms. Remains : 423/454 places, 1224/1293 transitions.
[2025-06-02 07:01:50] [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 64 ms. (steps per millisecond=156 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 07:01:51] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2025-06-02 07:01:51] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 4028 ms. (248 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1247 ms. (801 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[161] Max Struct:[+inf]
[2025-06-02 07:01:56] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:01:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:01:56] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:01:56] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2025-06-02 07:01:56] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:01:56] [INFO ] [Real]Added 75 Read/Feed constraints in 32 ms returned sat
[2025-06-02 07:01:56] [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 07:01:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 07:01:57] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-02 07:01:57] [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 07:01:58] [INFO ] Deduced a trap composed of 70 places in 638 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:01:58] [INFO ] Deduced a trap composed of 77 places in 463 ms of which 46 ms to minimize.
[2025-06-02 07:01:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1196 ms
[2025-06-02 07:01:58] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 107 ms.
[2025-06-02 07:01:59] [INFO ] Added : 34 causal constraints over 9 iterations in 732 ms. Result :sat
Minimization took 556 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[161] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[161] 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 95 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 96 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 99 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 07:02:02] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:02:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:02:03] [INFO ] Implicit Places using invariants in 683 ms returned []
[2025-06-02 07:02:03] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:02:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:02:03] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:02:06] [INFO ] Implicit Places using invariants and state equation in 2784 ms returned []
Implicit Place search using SMT with State Equation took 3475 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:02:06] [INFO ] Redundant transitions in 46 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 07:02:06] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:02:06] [INFO ] Invariant cache hit.
[2025-06-02 07:02:06] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 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 07:02:29] [INFO ] Deduced a trap composed of 131 places in 467 ms of which 14 ms to minimize.
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 30043 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
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 30037 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 62742ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62746ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66379 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 07:03:08] [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 124 ms. (steps per millisecond=80 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[161] Max Struct:[+inf]
[2025-06-02 07:03:09] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:03:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[161] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4437 ms. (225 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 923 ms. (1082 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[213] Max Struct:[+inf]
[2025-06-02 07:03:14] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:03:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:03:15] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:03:15] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2025-06-02 07:03:15] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:03:15] [INFO ] [Real]Added 75 Read/Feed constraints in 34 ms returned sat
[2025-06-02 07:03:15] [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 07:03:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 07:03:15] [INFO ] [Nat]Absence check using state equation in 290 ms returned sat
[2025-06-02 07:03:15] [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 07:03:16] [INFO ] Deduced a trap composed of 70 places in 630 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:03:17] [INFO ] Deduced a trap composed of 77 places in 497 ms of which 70 ms to minimize.
[2025-06-02 07:03:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1230 ms
[2025-06-02 07:03:17] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 147 ms.
[2025-06-02 07:03:17] [INFO ] Added : 34 causal constraints over 9 iterations in 904 ms. Result :sat
Minimization took 570 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[213] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[213] 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 98 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 98 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 97 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 07:03:21] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:03:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:03:22] [INFO ] Implicit Places using invariants in 964 ms returned []
[2025-06-02 07:03:22] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:03:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:03:22] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:03:25] [INFO ] Implicit Places using invariants and state equation in 3083 ms returned []
Implicit Place search using SMT with State Equation took 4058 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:03:25] [INFO ] Redundant transitions in 28 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 07:03:25] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:03:25] [INFO ] Invariant cache hit.
[2025-06-02 07:03:25] [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 07:03:48] [INFO ] Deduced a trap composed of 131 places in 450 ms of which 13 ms to minimize.
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 30046 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
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
(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 0)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 1)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 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 30041 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 62309ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62312ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66502 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 07:04:27] [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 107 ms. (steps per millisecond=93 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[213] Max Struct:[+inf]
[2025-06-02 07:04:28] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:04:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[213] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4068 ms. (245 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 890 ms. (1122 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[213] Max Struct:[+inf]
[2025-06-02 07:04:33] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:04:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:04:33] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:04:33] [INFO ] [Real]Absence check using state equation in 398 ms returned sat
[2025-06-02 07:04:33] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:04:33] [INFO ] [Real]Added 75 Read/Feed constraints in 56 ms returned sat
[2025-06-02 07:04:33] [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 07:04:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 07:04:34] [INFO ] [Nat]Absence check using state equation in 365 ms returned sat
[2025-06-02 07:04:34] [INFO ] [Nat]Added 75 Read/Feed constraints in 60 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:04:35] [INFO ] Deduced a trap composed of 70 places in 678 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:04:35] [INFO ] Deduced a trap composed of 77 places in 663 ms of which 71 ms to minimize.
[2025-06-02 07:04:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1451 ms
[2025-06-02 07:04:36] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 88 ms.
[2025-06-02 07:04:36] [INFO ] Added : 34 causal constraints over 9 iterations in 608 ms. Result :sat
Minimization took 586 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[213] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[213] 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 64 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 64 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 58 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 07:04:39] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:04:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:04:40] [INFO ] Implicit Places using invariants in 692 ms returned []
[2025-06-02 07:04:40] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:04:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:04:41] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:04:43] [INFO ] Implicit Places using invariants and state equation in 3020 ms returned []
Implicit Place search using SMT with State Equation took 3714 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:04:43] [INFO ] Redundant transitions in 31 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 07:04:43] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:04:43] [INFO ] Invariant cache hit.
[2025-06-02 07:04:43] [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 07:05:03] [INFO ] Deduced a trap composed of 131 places in 471 ms of which 13 ms to minimize.
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 30044 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
(s231 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 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 Int declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30039 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 62802ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62806ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66618 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 07:05:46] [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 107 ms. (steps per millisecond=93 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[213] Max Struct:[+inf]
[2025-06-02 07:05:47] [INFO ] Flatten gal took : 66 ms
RANDOM walk for 40000 steps (8 resets) in 326 ms. (122 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
[2025-06-02 07:05:47] [INFO ] Flatten gal took : 71 ms
[2025-06-02 07:05:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10280081601960371872.gal : 10 ms
[2025-06-02 07:05:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10885747184169951280.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/ReachabilityCardinality10280081601960371872.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10885747184169951280.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/ReachabilityCardinality10885747184169951280.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 1994
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1994 after 1.22555e+06
Interrupted probabilistic random walk after 357790 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :0 out of 1
Probabilistic random walk after 357790 steps, saw 219401 distinct states, run finished after 3005 ms. (steps per millisecond=119 ) properties seen :0
[2025-06-02 07:05:50] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:05:50] [INFO ] Invariant cache hit.
[2025-06-02 07:05:50] [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
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
All remaining problems are real, not stopping.
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 670 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:51] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:51] [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 07:05:51] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:51] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:51] [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 07:05:51] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1113 variables, 5/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:51] [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 07:05:51] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 3 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1113 variables, 2/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1113 variables, 0/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 1/1114 variables, 1/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1114 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1114 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 510 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1190 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: 8/8 constraints]
After SMT, in 1874ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2493 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 61 ms. Remains : 423/423 places, 1224/1224 transitions.
RANDOM walk for 40003 steps (8 resets) in 193 ms. (206 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.22555e+06 after 2.64763e+10
Interrupted probabilistic random walk after 328669 steps, run timeout after 3001 ms. (steps per millisecond=109 ) properties seen :0 out of 1
Probabilistic random walk after 328669 steps, saw 201547 distinct states, run finished after 3001 ms. (steps per millisecond=109 ) properties seen :0
[2025-06-02 07:05:57] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:05:57] [INFO ] Invariant cache hit.
[2025-06-02 07:05:57] [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
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
All remaining problems are real, not stopping.
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 703 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:59] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:59] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:59] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:59] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:59] [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 07:05:59] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1113 variables, 5/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:05:59] [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 07:05:59] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1113 variables, 2/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1113 variables, 0/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 1/1114 variables, 1/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1114 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1114 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 510 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1186 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: 8/8 constraints]
After SMT, in 1909ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2439 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 61 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 60 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 07:06:02] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:06:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:06:02] [INFO ] Implicit Places using invariants in 605 ms returned []
[2025-06-02 07:06:02] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:06:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:06:03] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:06:05] [INFO ] Implicit Places using invariants and state equation in 2513 ms returned []
Implicit Place search using SMT with State Equation took 3120 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:06:05] [INFO ] Redundant transitions in 29 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 07:06:05] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 07:06:05] [INFO ] Invariant cache hit.
[2025-06-02 07:06:05] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2.64763e+10 after 7.78635e+13
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
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :7.78635e+13 after 2.43134e+14
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.43134e+14 after 3.44424e+14
[2025-06-02 07:06:20] [INFO ] Deduced a trap composed of 131 places in 304 ms of which 8 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.44424e+14 after 6.39645e+14
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.39645e+14 after 1.10926e+15
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.10926e+15 after 1.12024e+15
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.12024e+15 after 1.79843e+15
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.79843e+15 after 3.82011e+15
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :3.82011e+15 after 4.01715e+15
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Detected timeout of ITS tools.
[2025-06-02 07:06:37] [INFO ] Flatten gal took : 33 ms
[2025-06-02 07:06:37] [INFO ] Applying decomposition
[2025-06-02 07:06:37] [INFO ] Flatten gal took : 49 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/graph4740091084745677325.txt' '-o' '/tmp/graph4740091084745677325.bin' '-w' '/tmp/graph4740091084745677325.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4740091084745677325.bin' '-l' '-1' '-v' '-w' '/tmp/graph4740091084745677325.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:06:37] [INFO ] Decomposing Gal with order
[2025-06-02 07:06:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:06:37] [INFO ] Removed a total of 2100 redundant transitions.
[2025-06-02 07:06:37] [INFO ] Flatten gal took : 165 ms
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 30035 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
[2025-06-02 07:06:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 830 labels/synchronizations in 71 ms.
[2025-06-02 07:06:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3397645662569788720.gal : 12 ms
[2025-06-02 07:06:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17795966985733605256.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/ReachabilityCardinality3397645662569788720.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17795966985733605256.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/ReachabilityCardinality17795966985733605256.prop.
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 62432ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62435ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65652 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 1 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 61 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 07:07:07] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 07:07:07] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 07:07:07] [INFO ] After 14ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 07:07:07] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 07:07:07] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 07:07:07] [INFO ] After 45ms 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 07:07:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 07:07:08] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 07:07:08] [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 07:07:08] [INFO ] After 6ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 07:07:08] [INFO ] After 44ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 07:07:08] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:07:08] [INFO ] Flatten gal took : 0 ms
[2025-06-02 07:07:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1420436999425369562.gal : 0 ms
[2025-06-02 07:07:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16363846813965434562.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/ReachabilityCardinality1420436999425369562.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16363846813965434562.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/ReachabilityCardinality16363846813965434562.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 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 126
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :126 after 615
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :615 after 8175
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :8175 after 23775
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :23775 after 54735
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :54735 after 116415
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :116415 after 239535
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :239535 after 485535
Detected timeout of ITS tools.
[2025-06-02 07:07:23] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:07:23] [INFO ] Applying decomposition
[2025-06-02 07:07:23] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6738466477414326476.txt' '-o' '/tmp/graph6738466477414326476.bin' '-w' '/tmp/graph6738466477414326476.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6738466477414326476.bin' '-l' '-1' '-v' '-w' '/tmp/graph6738466477414326476.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:07:23] [INFO ] Decomposing Gal with order
[2025-06-02 07:07:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:07:23] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 07:07:23] [INFO ] Flatten gal took : 2 ms
[2025-06-02 07:07:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-02 07:07:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14694880576607817245.gal : 1 ms
[2025-06-02 07:07:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4006643945752387795.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/ReachabilityCardinality14694880576607817245.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4006643945752387795.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/ReachabilityCardinality4006643945752387795.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 17
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30250 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[213] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-07 in 350139 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-08
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 07:07:38] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 07:07:38] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 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 07:07:38] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 07:07:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:07:38] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 07:07:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:07:38] [INFO ] [Real]Absence check using state equation in 285 ms returned sat
[2025-06-02 07:07:38] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 07:07:38] [INFO ] [Real]Added 90 Read/Feed constraints in 43 ms returned sat
[2025-06-02 07:07:38] [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 07:07:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 07:07:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:07:39] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-02 07:07:39] [INFO ] [Nat]Added 90 Read/Feed constraints in 36 ms returned sat
[2025-06-02 07:07:39] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 108 ms.
[2025-06-02 07:07:39] [INFO ] Added : 2 causal constraints over 1 iterations in 228 ms. Result :sat
Minimization took 501 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Graph (complete) has 2217 edges and 454 vertex of which 451 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 451 transition count 1287
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 446 transition count 1275
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 446 transition count 1275
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 446 transition count 1271
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 25 place count 442 transition count 1261
Iterating global reduction 2 with 4 rules applied. Total rules applied 29 place count 442 transition count 1261
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 33 place count 438 transition count 1251
Iterating global reduction 2 with 4 rules applied. Total rules applied 37 place count 438 transition count 1251
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 41 place count 434 transition count 1241
Iterating global reduction 2 with 4 rules applied. Total rules applied 45 place count 434 transition count 1241
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 49 place count 430 transition count 1233
Iterating global reduction 2 with 4 rules applied. Total rules applied 53 place count 430 transition count 1233
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 57 place count 426 transition count 1225
Iterating global reduction 2 with 4 rules applied. Total rules applied 61 place count 426 transition count 1225
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 65 place count 422 transition count 1217
Iterating global reduction 2 with 4 rules applied. Total rules applied 69 place count 422 transition count 1217
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 72 place count 419 transition count 1211
Iterating global reduction 2 with 3 rules applied. Total rules applied 75 place count 419 transition count 1211
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 77 place count 417 transition count 1207
Iterating global reduction 2 with 2 rules applied. Total rules applied 79 place count 417 transition count 1207
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 80 place count 416 transition count 1205
Iterating global reduction 2 with 1 rules applied. Total rules applied 81 place count 416 transition count 1205
Applied a total of 81 rules in 183 ms. Remains 416 /454 variables (removed 38) and now considering 1205/1293 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 416/454 places, 1205/1293 transitions.
[2025-06-02 07:07:40] [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 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 07:07:40] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
// Phase 1: matrix 680 rows 416 cols
[2025-06-02 07:07:40] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3805 ms. (262 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 894 ms. (1117 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 07:07:45] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:07:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:07:45] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 07:07:45] [INFO ] [Real]Absence check using state equation in 282 ms returned sat
[2025-06-02 07:07:45] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:07:45] [INFO ] [Real]Added 75 Read/Feed constraints in 36 ms returned sat
[2025-06-02 07:07:45] [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 07:07:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 07:07:46] [INFO ] [Nat]Absence check using state equation in 281 ms returned sat
[2025-06-02 07:07:46] [INFO ] [Nat]Added 75 Read/Feed constraints in 38 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:07:46] [INFO ] Deduced a trap composed of 69 places in 520 ms of which 37 ms to minimize.
[2025-06-02 07:07:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 605 ms
[2025-06-02 07:07:46] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 118 ms.
[2025-06-02 07:07:46] [INFO ] Added : 4 causal constraints over 2 iterations in 332 ms. Result :sat
Minimization took 655 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:[7] 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 95 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 95 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 95 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-02 07:07:47] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:07:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:07:48] [INFO ] Implicit Places using invariants in 883 ms returned []
[2025-06-02 07:07:48] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:07:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:07:49] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:07:51] [INFO ] Implicit Places using invariants and state equation in 3142 ms returned []
Implicit Place search using SMT with State Equation took 4027 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:07:52] [INFO ] Redundant transitions in 27 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-02 07:07:52] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:07:52] [INFO ] Invariant cache hit.
[2025-06-02 07:07:52] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 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 07:08:08] [INFO ] Deduced a trap composed of 131 places in 282 ms of which 9 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 30023 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
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62151ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62153ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66309 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-02 07:08:54] [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 119 ms. (steps per millisecond=84 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-02 07:08:54] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:08:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3575 ms. (279 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 928 ms. (1076 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2025-06-02 07:08:59] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:08:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:08:59] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:08:59] [INFO ] [Real]Absence check using state equation in 255 ms returned sat
[2025-06-02 07:08:59] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:08:59] [INFO ] [Real]Added 75 Read/Feed constraints in 41 ms returned sat
[2025-06-02 07:08:59] [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 07:08:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:09:00] [INFO ] [Nat]Absence check using state equation in 252 ms returned sat
[2025-06-02 07:09:00] [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 07:09:00] [INFO ] Deduced a trap composed of 69 places in 430 ms of which 30 ms to minimize.
[2025-06-02 07:09:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 478 ms
[2025-06-02 07:09:00] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 122 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:09:01] [INFO ] Deduced a trap composed of 69 places in 429 ms of which 35 ms to minimize.
[2025-06-02 07:09:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 492 ms
[2025-06-02 07:09:01] [INFO ] Added : 4 causal constraints over 2 iterations in 815 ms. Result :sat
Minimization took 339 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] 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 56 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 56 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 70 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-02 07:09:02] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:09:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:09:02] [INFO ] Implicit Places using invariants in 607 ms returned []
[2025-06-02 07:09:02] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:09:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:09:02] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:09:05] [INFO ] Implicit Places using invariants and state equation in 3093 ms returned []
Implicit Place search using SMT with State Equation took 3701 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:09:05] [INFO ] Redundant transitions in 27 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-02 07:09:05] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:09:05] [INFO ] Invariant cache hit.
[2025-06-02 07:09:05] [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 07:09:27] [INFO ] Deduced a trap composed of 131 places in 484 ms of which 14 ms to minimize.
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 30035 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
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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 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62462ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62465ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66271 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-02 07:10:08] [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 69 ms. (steps per millisecond=144 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-02 07:10:08] [INFO ] Flatten gal took : 51 ms
RANDOM walk for 40003 steps (8 resets) in 362 ms. (110 steps per ms) remains 1/1 properties
[2025-06-02 07:10:08] [INFO ] Flatten gal took : 51 ms
BEST_FIRST walk for 40003 steps (8 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
[2025-06-02 07:10:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16761704937323787303.gal : 16 ms
[2025-06-02 07:10:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8971614520948552184.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/ReachabilityCardinality16761704937323787303.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8971614520948552184.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/ReachabilityCardinality8971614520948552184.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 1994
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1994 after 1.22555e+06
Interrupted probabilistic random walk after 332337 steps, run timeout after 3001 ms. (steps per millisecond=110 ) properties seen :0 out of 1
Probabilistic random walk after 332337 steps, saw 203794 distinct states, run finished after 3001 ms. (steps per millisecond=110 ) properties seen :0
[2025-06-02 07:10:11] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 07:10:11] [INFO ] Invariant cache hit.
[2025-06-02 07:10:11] [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 484 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 647 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 1142ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 96 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=48 )
Parikh walk visited 1 properties in 11 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:[7] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-08 in 155015 ms.
Starting property specific reduction for FunctionPointer-PT-c008-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 07:10:13] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 07:10:13] [INFO ] Computed 2 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 42 ms. (232 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 07:10:13] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 07:10:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:10:13] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 07:10:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:10:13] [INFO ] [Real]Absence check using state equation in 268 ms returned sat
[2025-06-02 07:10:13] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 07:10:13] [INFO ] [Real]Added 90 Read/Feed constraints in 68 ms returned sat
[2025-06-02 07:10:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:10:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 07:10:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:10:14] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-02 07:10:14] [INFO ] [Nat]Added 90 Read/Feed constraints in 55 ms returned sat
[2025-06-02 07:10:14] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 125 ms.
[2025-06-02 07:10:14] [INFO ] Added : 24 causal constraints over 6 iterations in 627 ms. Result :sat
Minimization took 510 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Graph (complete) has 2217 edges and 454 vertex of which 448 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 448 transition count 1282
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 444 transition count 1272
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 444 transition count 1272
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 24 place count 444 transition count 1268
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 27 place count 441 transition count 1260
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 441 transition count 1260
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 438 transition count 1254
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 438 transition count 1254
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 435 transition count 1246
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 435 transition count 1246
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 432 transition count 1240
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 432 transition count 1240
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 429 transition count 1234
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 429 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 57 place count 426 transition count 1228
Iterating global reduction 2 with 3 rules applied. Total rules applied 60 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 62 place count 424 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 64 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 65 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 66 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 67 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 68 place count 422 transition count 1220
Applied a total of 68 rules in 180 ms. Remains 422 /454 variables (removed 32) and now considering 1220/1293 (removed 73) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 422/454 places, 1220/1293 transitions.
[2025-06-02 07:10:15] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 07:10:15] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2025-06-02 07:10:15] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 3602 ms. (277 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:[0] Max Struct:[+inf]
[2025-06-02 07:10:20] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:10:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:10:20] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:10:21] [INFO ] [Real]Absence check using state equation in 309 ms returned sat
[2025-06-02 07:10:21] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:10:21] [INFO ] [Real]Added 75 Read/Feed constraints in 40 ms returned sat
[2025-06-02 07:10:21] [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 07:10:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 07:10:21] [INFO ] [Nat]Absence check using state equation in 306 ms returned sat
[2025-06-02 07:10:21] [INFO ] [Nat]Added 75 Read/Feed constraints in 43 ms returned sat
[2025-06-02 07:10:21] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 117 ms.
[2025-06-02 07:10:21] [INFO ] Added : 11 causal constraints over 4 iterations in 363 ms. Result :sat
Minimization took 340 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:[1] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 64 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 56 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 07:10:22] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:10:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:10:23] [INFO ] Implicit Places using invariants in 837 ms returned []
[2025-06-02 07:10:23] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:10:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:10:23] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:10:25] [INFO ] Implicit Places using invariants and state equation in 2541 ms returned []
Implicit Place search using SMT with State Equation took 3383 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:10:25] [INFO ] Redundant transitions in 28 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 07:10:25] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:10:25] [INFO ] Invariant cache hit.
[2025-06-02 07:10:25] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:10:47] [INFO ] Deduced a trap composed of 131 places in 309 ms of which 8 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 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 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1218 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62293ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62296ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65772 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 07:11:28] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-02 07:11:28] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:11:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4244 ms. (235 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1089 ms. (917 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-02 07:11:34] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:11:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:11:34] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:11:34] [INFO ] [Real]Absence check using state equation in 344 ms returned sat
[2025-06-02 07:11:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:11:34] [INFO ] [Real]Added 75 Read/Feed constraints in 67 ms returned sat
[2025-06-02 07:11:34] [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 07:11:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 07:11:35] [INFO ] [Nat]Absence check using state equation in 415 ms returned sat
[2025-06-02 07:11:35] [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 07:11:36] [INFO ] Deduced a trap composed of 70 places in 611 ms of which 45 ms to minimize.
[2025-06-02 07:11:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 684 ms
[2025-06-02 07:11:36] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 139 ms.
[2025-06-02 07:11:36] [INFO ] Added : 10 causal constraints over 3 iterations in 506 ms. Result :sat
Minimization took 528 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 102 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 97 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 07:11:37] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:11:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:11:38] [INFO ] Implicit Places using invariants in 924 ms returned []
[2025-06-02 07:11:38] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:11:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:11:38] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:11:40] [INFO ] Implicit Places using invariants and state equation in 2455 ms returned []
Implicit Place search using SMT with State Equation took 3381 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:11:40] [INFO ] Redundant transitions in 27 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 07:11:40] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:11:40] [INFO ] Invariant cache hit.
[2025-06-02 07:11:40] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:12:02] [INFO ] Deduced a trap composed of 131 places in 465 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1218 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62213ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62216ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65730 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 07:12:43] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-02 07:12:43] [INFO ] Flatten gal took : 49 ms
RANDOM walk for 40007 steps (8 resets) in 277 ms. (143 steps per ms) remains 1/1 properties
[2025-06-02 07:12:43] [INFO ] Flatten gal took : 49 ms
[2025-06-02 07:12:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16471964782487856195.gal : 10 ms
[2025-06-02 07:12:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10452419430828019476.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/ReachabilityCardinality16471964782487856195.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10452419430828019476.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40003 steps (8 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality10452419430828019476.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 1994
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1994 after 1.22555e+06
Interrupted probabilistic random walk after 355060 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 1
Probabilistic random walk after 355060 steps, saw 217727 distinct states, run finished after 3001 ms. (steps per millisecond=118 ) properties seen :0
[2025-06-02 07:12:46] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 07:12:46] [INFO ] Invariant cache hit.
[2025-06-02 07:12:46] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 471 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 566 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1046ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 63 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 422/422 places, 1220/1220 transitions.
RANDOM walk for 40003 steps (8 resets) in 249 ms. (160 steps per ms) remains 1/1 properties
BEST_FIRST walk for 35029 steps (7 resets) in 51 ms. (673 steps per ms) remains 0/1 properties
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:[3] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-10 in 154897 ms.
Starting property specific reduction for FunctionPointer-PT-c008-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 07:12:48] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 07:12:48] [INFO ] Computed 2 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 61 ms. (161 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 07:12:48] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 07:12:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:12:48] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 07:12:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:12:48] [INFO ] [Real]Absence check using state equation in 321 ms returned sat
[2025-06-02 07:12:48] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 07:12:48] [INFO ] [Real]Added 90 Read/Feed constraints in 71 ms returned sat
[2025-06-02 07:12:48] [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 07:12:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 07:12:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:12:49] [INFO ] [Nat]Absence check using state equation in 427 ms returned sat
[2025-06-02 07:12:49] [INFO ] [Nat]Added 90 Read/Feed constraints in 143 ms returned sat
[2025-06-02 07:12:49] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 161 ms.
[2025-06-02 07:12:49] [INFO ] Added : 2 causal constraints over 1 iterations in 322 ms. Result :sat
Minimization took 587 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Graph (complete) has 2217 edges and 454 vertex of which 451 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 451 transition count 1288
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 446 transition count 1276
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 446 transition count 1276
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 20 place count 446 transition count 1272
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 24 place count 442 transition count 1262
Iterating global reduction 2 with 4 rules applied. Total rules applied 28 place count 442 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 32 place count 438 transition count 1252
Iterating global reduction 2 with 4 rules applied. Total rules applied 36 place count 438 transition count 1252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 40 place count 434 transition count 1242
Iterating global reduction 2 with 4 rules applied. Total rules applied 44 place count 434 transition count 1242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 48 place count 430 transition count 1234
Iterating global reduction 2 with 4 rules applied. Total rules applied 52 place count 430 transition count 1234
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 56 place count 426 transition count 1226
Iterating global reduction 2 with 4 rules applied. Total rules applied 60 place count 426 transition count 1226
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 64 place count 422 transition count 1218
Iterating global reduction 2 with 4 rules applied. Total rules applied 68 place count 422 transition count 1218
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 71 place count 419 transition count 1212
Iterating global reduction 2 with 3 rules applied. Total rules applied 74 place count 419 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 76 place count 417 transition count 1208
Iterating global reduction 2 with 2 rules applied. Total rules applied 78 place count 417 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 79 place count 416 transition count 1206
Iterating global reduction 2 with 1 rules applied. Total rules applied 80 place count 416 transition count 1206
Applied a total of 80 rules in 299 ms. Remains 416 /454 variables (removed 38) and now considering 1206/1293 (removed 87) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 299 ms. Remains : 416/454 places, 1206/1293 transitions.
[2025-06-02 07:12:50] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 07:12:51] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2025-06-02 07:12:51] [INFO ] Computed 2 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 4133 ms. (241 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1316 ms. (759 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 07:12:56] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:12:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:12:56] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 07:12:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:12:57] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
[2025-06-02 07:12:57] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:12:57] [INFO ] [Real]Added 75 Read/Feed constraints in 34 ms returned sat
[2025-06-02 07:12:57] [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 07:12:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-02 07:12:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 07:12:57] [INFO ] [Nat]Absence check using state equation in 345 ms returned sat
[2025-06-02 07:12:57] [INFO ] [Nat]Added 75 Read/Feed constraints in 99 ms returned sat
[2025-06-02 07:12:57] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 177 ms.
[2025-06-02 07:12:58] [INFO ] Added : 2 causal constraints over 1 iterations in 307 ms. Result :sat
Minimization took 604 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:[7] 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 99 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 99 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 102 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 07:12:58] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:12:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:12:59] [INFO ] Implicit Places using invariants in 926 ms returned []
[2025-06-02 07:12:59] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:12:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:13:00] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:13:02] [INFO ] Implicit Places using invariants and state equation in 2531 ms returned []
Implicit Place search using SMT with State Equation took 3458 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:13:02] [INFO ] Redundant transitions in 27 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 07:13:02] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:13:02] [INFO ] Invariant cache hit.
[2025-06-02 07:13:02] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
(s1 1)
(s2 1)
(s3 1)
(s4 3)
(s5 1)
(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 0)
(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)
(timeout
s86 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62310ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62312ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65908 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 07:14:04] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-02 07:14:05] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:14:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3758 ms. (266 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 863 ms. (1157 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2025-06-02 07:14:09] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:14:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:14:10] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 07:14:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:14:10] [INFO ] [Real]Absence check using state equation in 340 ms returned sat
[2025-06-02 07:14:10] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:14:10] [INFO ] [Real]Added 75 Read/Feed constraints in 51 ms returned sat
[2025-06-02 07:14:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:14:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-02 07:14:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 07:14:10] [INFO ] [Nat]Absence check using state equation in 318 ms returned sat
[2025-06-02 07:14:10] [INFO ] [Nat]Added 75 Read/Feed constraints in 86 ms returned sat
[2025-06-02 07:14:11] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 147 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:14:11] [INFO ] Deduced a trap composed of 131 places in 516 ms of which 16 ms to minimize.
[2025-06-02 07:14:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 602 ms
[2025-06-02 07:14:11] [INFO ] Added : 5 causal constraints over 2 iterations in 967 ms. Result :sat
Minimization took 688 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] 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 59 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 55 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 07:14:12] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:14:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:14:13] [INFO ] Implicit Places using invariants in 857 ms returned []
[2025-06-02 07:14:13] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:14:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:14:14] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:14:16] [INFO ] Implicit Places using invariants and state equation in 2685 ms returned []
Implicit Place search using SMT with State Equation took 3544 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:14:16] [INFO ] Redundant transitions in 27 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 07:14:16] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:14:16] [INFO ] Invariant cache hit.
[2025-06-02 07:14:16] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62398ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62400ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66036 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 07:15:18] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-02 07:15:19] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:15:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 3892 ms. (256 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 858 ms. (1164 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2025-06-02 07:15:24] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:15:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:15:24] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 07:15:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:15:24] [INFO ] [Real]Absence check using state equation in 326 ms returned sat
[2025-06-02 07:15:24] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:15:24] [INFO ] [Real]Added 75 Read/Feed constraints in 64 ms returned sat
[2025-06-02 07:15:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:15:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 07:15:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:15:25] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2025-06-02 07:15:25] [INFO ] [Nat]Added 75 Read/Feed constraints in 103 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:15:25] [INFO ] Deduced a trap composed of 131 places in 386 ms of which 10 ms to minimize.
[2025-06-02 07:15:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 463 ms
[2025-06-02 07:15:26] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 154 ms.
[2025-06-02 07:15:26] [INFO ] Added : 3 causal constraints over 1 iterations in 317 ms. Result :sat
Minimization took 725 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 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 55 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 55 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 58 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 07:15:27] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:15:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:15:27] [INFO ] Implicit Places using invariants in 730 ms returned []
[2025-06-02 07:15:27] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:15:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:15:28] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:15:30] [INFO ] Implicit Places using invariants and state equation in 2657 ms returned []
Implicit Place search using SMT with State Equation took 3389 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:15:30] [INFO ] Redundant transitions in 27 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 07:15:30] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:15:30] [INFO ] Invariant cache hit.
[2025-06-02 07:15:30] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62239ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62242ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65722 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-02 07:16:32] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2025-06-02 07:16:33] [INFO ] Flatten gal took : 78 ms
RANDOM walk for 40004 steps (8 resets) in 332 ms. (120 steps per ms) remains 1/1 properties
[2025-06-02 07:16:33] [INFO ] Flatten gal took : 49 ms
[2025-06-02 07:16:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8559059563369947197.gal : 43 ms
[2025-06-02 07:16:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11062287020460541288.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/ReachabilityCardinality8559059563369947197.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11062287020460541288.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 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 ...329
Loading property file /tmp/ReachabilityCardinality11062287020460541288.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 1994
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1994 after 1.22555e+06
Interrupted probabilistic random walk after 337397 steps, run timeout after 3001 ms. (steps per millisecond=112 ) properties seen :0 out of 1
Probabilistic random walk after 337397 steps, saw 206897 distinct states, run finished after 3001 ms. (steps per millisecond=112 ) properties seen :0
[2025-06-02 07:16:36] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-02 07:16:36] [INFO ] Invariant cache hit.
[2025-06-02 07:16:36] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 62/1014 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1014 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1015 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 457 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:16:37] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/952 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:16:37] [INFO ] Deduced a trap composed of 131 places in 327 ms of which 8 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 1/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1083 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 8/1091 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1091 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/1097 variables, 4/496 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1097 variables, 0/496 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1097 variables, 0/496 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 496 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1154 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1647ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 181 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=90 )
Parikh walk visited 1 properties in 3 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:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c008-UpperBounds-13 in 230210 ms.
Starting property specific reduction for FunctionPointer-PT-c008-UpperBounds-14
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:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2025-06-02 07:16:38] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 07:16:38] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10001 steps (2 resets) in 39 ms. (250 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:[8]
[2025-06-02 07:16:38] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 07:16:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:16:38] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-02 07:16:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:16:38] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2025-06-02 07:16:38] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 07:16:38] [INFO ] [Real]Added 90 Read/Feed constraints in 65 ms returned sat
[2025-06-02 07:16:38] [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 07:16:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-02 07:16:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:16:39] [INFO ] [Nat]Absence check using state equation in 400 ms returned sat
[2025-06-02 07:16:39] [INFO ] [Nat]Added 90 Read/Feed constraints in 81 ms returned sat
[2025-06-02 07:16:39] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 169 ms.
[2025-06-02 07:16:39] [INFO ] Added : 3 causal constraints over 1 iterations in 334 ms. Result :sat
Minimization took 581 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[8]
Support contains 1 out of 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Graph (complete) has 2217 edges and 454 vertex of which 448 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 448 transition count 1282
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 17 place count 443 transition count 1270
Iterating global reduction 1 with 5 rules applied. Total rules applied 22 place count 443 transition count 1270
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 26 place count 443 transition count 1266
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 439 transition count 1256
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 439 transition count 1256
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 435 transition count 1246
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 435 transition count 1246
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 431 transition count 1236
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 431 transition count 1236
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 427 transition count 1228
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 427 transition count 1228
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 62 place count 423 transition count 1220
Iterating global reduction 2 with 4 rules applied. Total rules applied 66 place count 423 transition count 1220
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 70 place count 419 transition count 1212
Iterating global reduction 2 with 4 rules applied. Total rules applied 74 place count 419 transition count 1212
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 77 place count 416 transition count 1206
Iterating global reduction 2 with 3 rules applied. Total rules applied 80 place count 416 transition count 1206
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 82 place count 414 transition count 1202
Iterating global reduction 2 with 2 rules applied. Total rules applied 84 place count 414 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 85 place count 413 transition count 1200
Iterating global reduction 2 with 1 rules applied. Total rules applied 86 place count 413 transition count 1200
Applied a total of 86 rules in 267 ms. Remains 413 /454 variables (removed 41) and now considering 1200/1293 (removed 93) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 268 ms. Remains : 413/454 places, 1200/1293 transitions.
[2025-06-02 07:16:40] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2025-06-02 07:16:40] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 1000001 steps (2 resets) in 4683 ms. (213 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1510 ms. (661 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2025-06-02 07:16:47] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:16:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:16:47] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 07:16:47] [INFO ] [Real]Absence check using state equation in 387 ms returned sat
[2025-06-02 07:16:47] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-02 07:16:47] [INFO ] [Real]Added 72 Read/Feed constraints in 90 ms returned sat
[2025-06-02 07:16:47] [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 07:16:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 07:16:48] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2025-06-02 07:16:48] [INFO ] [Nat]Added 72 Read/Feed constraints in 98 ms returned sat
[2025-06-02 07:16:48] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 179 ms.
[2025-06-02 07:16:48] [INFO ] Added : 3 causal constraints over 1 iterations in 350 ms. Result :sat
Minimization took 500 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[8]
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 98 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 98 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 89 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2025-06-02 07:16:49] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:16:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:16:50] [INFO ] Implicit Places using invariants in 853 ms returned []
[2025-06-02 07:16:50] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:16:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:16:50] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-02 07:16:52] [INFO ] Implicit Places using invariants and state equation in 2550 ms returned []
Implicit Place search using SMT with State Equation took 3411 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:16:52] [INFO ] Redundant transitions in 27 ms returned []
Running 1198 sub problems to find dead transitions.
[2025-06-02 07:16:52] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:16:52] [INFO ] Invariant cache hit.
[2025-06-02 07:16:52] [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 07:17:12] [INFO ] Deduced a trap composed of 131 places in 469 ms of which 13 ms to minimize.
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 30039 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
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 413/1088 variables, and 4 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/413 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/1198 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62671ms problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 62673ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66208 ms. Remains : 413/413 places, 1200/1200 transitions.
[2025-06-02 07:17:55] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:17:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 3783 ms. (264 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 841 ms. (1187 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[8]
[2025-06-02 07:18:00] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:18:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:18:00] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:18:00] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
[2025-06-02 07:18:00] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-02 07:18:00] [INFO ] [Real]Added 72 Read/Feed constraints in 94 ms returned sat
[2025-06-02 07:18:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:18:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 07:18:01] [INFO ] [Nat]Absence check using state equation in 392 ms returned sat
[2025-06-02 07:18:01] [INFO ] [Nat]Added 72 Read/Feed constraints in 57 ms returned sat
[2025-06-02 07:18:01] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 97 ms.
[2025-06-02 07:18:01] [INFO ] Added : 3 causal constraints over 1 iterations in 209 ms. Result :sat
Minimization took 432 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[8]
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 93 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 93 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 95 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2025-06-02 07:18:02] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:18:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:18:03] [INFO ] Implicit Places using invariants in 773 ms returned []
[2025-06-02 07:18:03] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:18:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:18:03] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-02 07:18:05] [INFO ] Implicit Places using invariants and state equation in 2485 ms returned []
Implicit Place search using SMT with State Equation took 3260 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:18:05] [INFO ] Redundant transitions in 27 ms returned []
Running 1198 sub problems to find dead transitions.
[2025-06-02 07:18:05] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:18:05] [INFO ] Invariant cache hit.
[2025-06-02 07:18:05] [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 07:18:20] [INFO ] Deduced a trap composed of 131 places in 289 ms of which 9 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 30023 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 30975 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 62953ms problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 62956ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66346 ms. Remains : 413/413 places, 1200/1200 transitions.
[2025-06-02 07:19:08] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-02 07:19:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[8]
FORMULA FunctionPointer-PT-c008-UpperBounds-14 8 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000002 steps (2 resets) in 3706 ms. (269 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 07:19:12] [INFO ] Flatten gal took : 38 ms
[2025-06-02 07:19:12] [INFO ] Flatten gal took : 31 ms
[2025-06-02 07:19:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11825859918557894629.gal : 5 ms
[2025-06-02 07:19:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13796646702660784345.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/ReachabilityCardinality11825859918557894629.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13796646702660784345.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 ...330
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-c008-UpperBounds-14 in 154230 ms.
Starting property specific reduction for FunctionPointer-PT-c008-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 07:19:12] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
// Phase 1: matrix 743 rows 454 cols
[2025-06-02 07:19:12] [INFO ] Computed 2 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 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 07:19:12] [INFO ] Flow matrix only has 743 transitions (discarded 550 similar events)
[2025-06-02 07:19:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:19:12] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 07:19:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:19:12] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-02 07:19:12] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-02 07:19:12] [INFO ] [Real]Added 90 Read/Feed constraints in 39 ms returned sat
[2025-06-02 07:19:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:19:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-02 07:19:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 07:19:13] [INFO ] [Nat]Absence check using state equation in 286 ms returned sat
[2025-06-02 07:19:13] [INFO ] [Nat]Added 90 Read/Feed constraints in 42 ms returned sat
[2025-06-02 07:19:13] [INFO ] Computed and/alt/rep : 224/1324/219 causal constraints (skipped 522 transitions) in 114 ms.
[2025-06-02 07:19:13] [INFO ] Added : 17 causal constraints over 5 iterations in 407 ms. Result :sat
Minimization took 501 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 454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 454/454 places, 1293/1293 transitions.
Graph (complete) has 2217 edges and 454 vertex of which 448 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 448 transition count 1282
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 444 transition count 1272
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 444 transition count 1272
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 24 place count 444 transition count 1268
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 27 place count 441 transition count 1262
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 441 transition count 1262
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 438 transition count 1254
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 438 transition count 1254
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 435 transition count 1246
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 435 transition count 1246
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 432 transition count 1240
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 432 transition count 1240
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 429 transition count 1234
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 429 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 57 place count 426 transition count 1228
Iterating global reduction 2 with 3 rules applied. Total rules applied 60 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 62 place count 424 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 64 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 66 place count 422 transition count 1220
Iterating global reduction 2 with 2 rules applied. Total rules applied 68 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 69 place count 421 transition count 1218
Iterating global reduction 2 with 1 rules applied. Total rules applied 70 place count 421 transition count 1218
Applied a total of 70 rules in 187 ms. Remains 421 /454 variables (removed 33) and now considering 1218/1293 (removed 75) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 421/454 places, 1218/1293 transitions.
[2025-06-02 07:19:14] [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 64 ms. (steps per millisecond=156 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-02 07:19:14] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2025-06-02 07:19:14] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4169 ms. (239 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 958 ms. (1042 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[449] Max Struct:[+inf]
[2025-06-02 07:19:20] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 07:19:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:19:20] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 07:19:20] [INFO ] [Real]Absence check using state equation in 262 ms returned sat
[2025-06-02 07:19:20] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:19:20] [INFO ] [Real]Added 75 Read/Feed constraints in 58 ms returned sat
[2025-06-02 07:19:20] [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 07:19:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 07:19:20] [INFO ] [Nat]Absence check using state equation in 267 ms returned sat
[2025-06-02 07:19:20] [INFO ] [Nat]Added 75 Read/Feed constraints in 41 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:19:21] [INFO ] Deduced a trap composed of 70 places in 463 ms of which 33 ms to minimize.
[2025-06-02 07:19:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 516 ms
[2025-06-02 07:19:21] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 102 ms.
[2025-06-02 07:19:21] [INFO ] Added : 8 causal constraints over 2 iterations in 274 ms. Result :sat
Minimization took 327 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[449] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[449] 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 73 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 07:19:22] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 07:19:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:19:22] [INFO ] Implicit Places using invariants in 633 ms returned []
[2025-06-02 07:19:22] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 07:19:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:19:23] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 07:19:25] [INFO ] Implicit Places using invariants and state equation in 2832 ms returned []
Implicit Place search using SMT with State Equation took 3467 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:19:25] [INFO ] Redundant transitions in 28 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 07:19:25] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 07:19:25] [INFO ] Invariant cache hit.
[2025-06-02 07:19:25] [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 07:19:41] [INFO ] Deduced a trap composed of 131 places in 302 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 30023 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 62351ms, After SMT, problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62354ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65929 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 07:20:28] [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 71 ms. (steps per millisecond=140 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2025-06-02 07:20:28] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 07:20:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3762 ms. (265 steps per ms)
FORMULA FunctionPointer-PT-c008-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
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 07:20:32] [INFO ] Flatten gal took : 29 ms
[2025-06-02 07:20:32] [INFO ] Flatten gal took : 28 ms
[2025-06-02 07:20:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16557071281782066869.gal : 5 ms
[2025-06-02 07:20:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18022081521673988742.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/ReachabilityCardinality16557071281782066869.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18022081521673988742.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 ...330
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-c008-UpperBounds-15 in 79877 ms.
[2025-06-02 07:20:32] [INFO ] Flatten gal took : 30 ms
[2025-06-02 07:20:32] [INFO ] Applying decomposition
[2025-06-02 07:20:32] [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/graph8514703908434263098.txt' '-o' '/tmp/graph8514703908434263098.bin' '-w' '/tmp/graph8514703908434263098.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8514703908434263098.bin' '-l' '-1' '-v' '-w' '/tmp/graph8514703908434263098.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:20:32] [INFO ] Decomposing Gal with order
[2025-06-02 07:20:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:20:32] [INFO ] Removed a total of 2222 redundant transitions.
[2025-06-02 07:20:32] [INFO ] Flatten gal took : 74 ms
[2025-06-02 07:20:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 889 labels/synchronizations in 32 ms.
[2025-06-02 07:20:32] [INFO ] Time to serialize gal into /tmp/UpperBounds9372160637491253349.gal : 8 ms
[2025-06-02 07:20:32] [INFO ] Time to serialize properties into /tmp/UpperBounds18266990805946374161.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/UpperBounds9372160637491253349.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds18266990805946374161.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds18266990805946374161.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-c008"
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-c008, 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-174867007400133"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c008.tgz
mv FunctionPointer-PT-c008 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 ;