About the Execution of ITS-Tools for FunctionPointer-PT-c016
| 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 | 16 ? 0 ? 0 0 0 ? 16 1 0 ? ? 16 ? 0 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007400141.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-c016, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007400141
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K 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-c016-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c016-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748859295969
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-c016
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-02 10:14:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 10:14:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 10:14:59] [INFO ] Load time of PNML (sax parser for PT used): 897 ms
[2025-06-02 10:14:59] [INFO ] Transformed 2826 places.
[2025-06-02 10:14:59] [INFO ] Transformed 8960 transitions.
[2025-06-02 10:14:59] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1158 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 1198 places in 67 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c016-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c016-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c016-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c016-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c016-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c016-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 10:14:59] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2025-06-02 10:15:00] [INFO ] Computed 4 invariants in 217 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[16, +inf, +inf, +inf, 16, 1, +inf, +inf, 16, +inf]
RANDOM walk for 10012 steps (2 resets) in 611 ms. (16 steps per ms)
FORMULA FunctionPointer-PT-c016-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90009 steps (31 resets) in 387 ms. (231 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 0, 0, 1, 3, 1, 1, 0] Max Struct:[16, +inf, +inf, +inf, 16, +inf, +inf, 16, +inf]
[2025-06-02 10:15:01] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2025-06-02 10:15:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:02] [INFO ] [Real]Absence check using 3 positive place invariants in 41 ms returned sat
[2025-06-02 10:15:02] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:04] [INFO ] [Real]Absence check using state equation in 1780 ms returned sat
[2025-06-02 10:15:04] [INFO ] State equation strengthened by 479 read => feed constraints.
[2025-06-02 10:15:04] [INFO ] [Real]Added 479 Read/Feed constraints in 263 ms returned sat
[2025-06-02 10:15:04] [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 10:15:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-02 10:15:05] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:07] [INFO ] [Nat]Absence check using state equation in 1596 ms returned sat
[2025-06-02 10:15:07] [INFO ] [Nat]Added 479 Read/Feed constraints in 156 ms returned sat
[2025-06-02 10:15:08] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1335 ms.
[2025-06-02 10:15:09] [INFO ] Added : 0 causal constraints over 0 iterations in 1825 ms. Result :sat
Minimization took 623 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:10] [INFO ] [Real]Absence check using 3 positive place invariants in 30 ms returned sat
[2025-06-02 10:15:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:11] [INFO ] [Real]Absence check using state equation in 1401 ms returned sat
[2025-06-02 10:15:11] [INFO ] [Real]Added 479 Read/Feed constraints in 158 ms returned sat
[2025-06-02 10:15:12] [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 10:15:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 10:15:12] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:13] [INFO ] [Nat]Absence check using state equation in 1550 ms returned sat
[2025-06-02 10:15:13] [INFO ] [Nat]Added 479 Read/Feed constraints in 148 ms returned sat
[2025-06-02 10:15:15] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1447 ms.
[2025-06-02 10:15:16] [INFO ] Added : 1 causal constraints over 1 iterations in 2074 ms. Result :sat
Minimization took 587 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:17] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-02 10:15:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:18] [INFO ] [Real]Absence check using state equation in 1173 ms returned sat
[2025-06-02 10:15:18] [INFO ] [Real]Added 479 Read/Feed constraints in 279 ms returned sat
[2025-06-02 10:15:18] [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 10:15:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 35 ms returned sat
[2025-06-02 10:15:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 10:15:20] [INFO ] [Nat]Absence check using state equation in 1425 ms returned sat
[2025-06-02 10:15:20] [INFO ] [Nat]Added 479 Read/Feed constraints in 193 ms returned sat
[2025-06-02 10:15:21] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 857 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:15:25] [INFO ] Deduced a trap composed of 133 places in 2931 ms of which 304 ms to minimize.
[2025-06-02 10:15:25] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1131)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:25] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-02 10:15:25] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:26] [INFO ] [Real]Absence check using state equation in 1159 ms returned sat
[2025-06-02 10:15:27] [INFO ] [Real]Added 479 Read/Feed constraints in 264 ms returned sat
[2025-06-02 10:15:27] [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 10:15:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 33 ms returned sat
[2025-06-02 10:15:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-02 10:15:29] [INFO ] [Nat]Absence check using state equation in 1705 ms returned sat
[2025-06-02 10:15:29] [INFO ] [Nat]Added 479 Read/Feed constraints in 164 ms returned sat
[2025-06-02 10:15:30] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 712 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:15:33] [INFO ] Deduced a trap composed of 133 places in 2913 ms of which 301 ms to minimize.
[2025-06-02 10:15:33] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1131)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:34] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-02 10:15:34] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:35] [INFO ] [Real]Absence check using state equation in 1285 ms returned sat
[2025-06-02 10:15:35] [INFO ] [Real]Added 479 Read/Feed constraints in 214 ms returned sat
[2025-06-02 10:15:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-02 10:15:36] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 10:15:37] [INFO ] [Nat]Absence check using state equation in 1447 ms returned sat
[2025-06-02 10:15:37] [INFO ] [Nat]Added 479 Read/Feed constraints in 261 ms returned sat
[2025-06-02 10:15:38] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1011 ms.
[2025-06-02 10:15:39] [INFO ] Added : 2 causal constraints over 1 iterations in 1639 ms. Result :sat
Minimization took 617 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:40] [INFO ] [Real]Absence check using 3 positive place invariants in 33 ms returned sat
[2025-06-02 10:15:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:42] [INFO ] [Real]Absence check using state equation in 1448 ms returned sat
[2025-06-02 10:15:42] [INFO ] [Real]Added 479 Read/Feed constraints in 167 ms returned sat
[2025-06-02 10:15:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 10:15:42] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:44] [INFO ] [Nat]Absence check using state equation in 1350 ms returned sat
[2025-06-02 10:15:44] [INFO ] [Nat]Added 479 Read/Feed constraints in 322 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:15:47] [INFO ] Deduced a trap composed of 133 places in 2789 ms of which 291 ms to minimize.
[2025-06-02 10:15:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 3085 ms
[2025-06-02 10:15:47] [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 5
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 10:15:47] [INFO ] [Real]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 10:15:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:49] [INFO ] [Real]Absence check using state equation in 1354 ms returned sat
[2025-06-02 10:15:49] [INFO ] [Real]Added 479 Read/Feed constraints in 314 ms returned sat
[2025-06-02 10:15:49] [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 10:15:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-02 10:15:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:51] [INFO ] [Nat]Absence check using state equation in 1406 ms returned sat
[2025-06-02 10:15:51] [INFO ] [Nat]Added 479 Read/Feed constraints in 181 ms returned sat
[2025-06-02 10:15:52] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 817 ms.
[2025-06-02 10:15:53] [INFO ] Added : 1 causal constraints over 1 iterations in 1415 ms. Result :sat
Minimization took 592 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:15:54] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-02 10:15:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:55] [INFO ] [Real]Absence check using state equation in 1348 ms returned sat
[2025-06-02 10:15:55] [INFO ] [Real]Added 479 Read/Feed constraints in 258 ms returned sat
[2025-06-02 10:15:55] [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 10:15:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-02 10:15:56] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:15:57] [INFO ] [Nat]Absence check using state equation in 1227 ms returned sat
[2025-06-02 10:15:57] [INFO ] [Nat]Added 479 Read/Feed constraints in 276 ms returned sat
[2025-06-02 10:15:58] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 627 ms.
[2025-06-02 10:15:59] [INFO ] Added : 2 causal constraints over 1 iterations in 1161 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:16:00] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-02 10:16:00] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-02 10:16:01] [INFO ] [Real]Absence check using state equation in 1449 ms returned sat
[2025-06-02 10:16:01] [INFO ] [Real]Added 479 Read/Feed constraints in 245 ms returned sat
[2025-06-02 10:16:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:16:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-02 10:16:02] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-02 10:16:03] [INFO ] [Nat]Absence check using state equation in 1338 ms returned sat
[2025-06-02 10:16:03] [INFO ] [Nat]Added 479 Read/Feed constraints in 148 ms returned sat
[2025-06-02 10:16:04] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 660 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:16:07] [INFO ] Deduced a trap composed of 133 places in 2549 ms of which 299 ms to minimize.
[2025-06-02 10:16:07] [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.refineWithCausalOrder(DeadlockTester.java:1131)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 0, 0, 1, 3, 1, 1, 0] Max Struct:[16, +inf, +inf, +inf, 16, +inf, +inf, 16, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 0, 0, 1, 3, 1, 1, 0] Max Struct:[16, +inf, +inf, +inf, 16, +inf, +inf, 16, +inf]
Support contains 9 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1422 are kept as prefixes of interest. Removing 206 places using SCC suffix rule.17 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 379 transitions
Reduce isomorphic transitions removed 379 transitions.
Iterating post reduction 0 with 379 rules applied. Total rules applied 380 place count 1422 transition count 5583
Discarding 299 places :
Symmetric choice reduction at 1 with 299 rule applications. Total rules 679 place count 1123 transition count 3305
Iterating global reduction 1 with 299 rules applied. Total rules applied 978 place count 1123 transition count 3305
Ensure Unique test removed 360 transitions
Reduce isomorphic transitions removed 360 transitions.
Iterating post reduction 1 with 360 rules applied. Total rules applied 1338 place count 1123 transition count 2945
Discarding 156 places :
Symmetric choice reduction at 2 with 156 rule applications. Total rules 1494 place count 967 transition count 2633
Iterating global reduction 2 with 156 rules applied. Total rules applied 1650 place count 967 transition count 2633
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Iterating post reduction 2 with 68 rules applied. Total rules applied 1718 place count 967 transition count 2565
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1732 place count 953 transition count 2537
Iterating global reduction 3 with 14 rules applied. Total rules applied 1746 place count 953 transition count 2537
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1760 place count 939 transition count 2509
Iterating global reduction 3 with 14 rules applied. Total rules applied 1774 place count 939 transition count 2509
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1788 place count 925 transition count 2481
Iterating global reduction 3 with 14 rules applied. Total rules applied 1802 place count 925 transition count 2481
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1816 place count 911 transition count 2453
Iterating global reduction 3 with 14 rules applied. Total rules applied 1830 place count 911 transition count 2453
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1844 place count 897 transition count 2425
Iterating global reduction 3 with 14 rules applied. Total rules applied 1858 place count 897 transition count 2425
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1871 place count 884 transition count 2399
Iterating global reduction 3 with 13 rules applied. Total rules applied 1884 place count 884 transition count 2399
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1897 place count 871 transition count 2373
Iterating global reduction 3 with 13 rules applied. Total rules applied 1910 place count 871 transition count 2373
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 1963 place count 818 transition count 2175
Iterating global reduction 3 with 53 rules applied. Total rules applied 2016 place count 818 transition count 2175
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2076 place count 758 transition count 1935
Iterating global reduction 3 with 60 rules applied. Total rules applied 2136 place count 758 transition count 1935
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2196 place count 698 transition count 1787
Iterating global reduction 3 with 60 rules applied. Total rules applied 2256 place count 698 transition count 1787
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2316 place count 638 transition count 1667
Iterating global reduction 3 with 60 rules applied. Total rules applied 2376 place count 638 transition count 1667
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2436 place count 578 transition count 1547
Iterating global reduction 3 with 60 rules applied. Total rules applied 2496 place count 578 transition count 1547
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2556 place count 518 transition count 1427
Iterating global reduction 3 with 60 rules applied. Total rules applied 2616 place count 518 transition count 1427
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 2675 place count 459 transition count 1309
Iterating global reduction 3 with 59 rules applied. Total rules applied 2734 place count 459 transition count 1309
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 2748 place count 445 transition count 1281
Iterating global reduction 3 with 14 rules applied. Total rules applied 2762 place count 445 transition count 1281
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 2770 place count 445 transition count 1273
Applied a total of 2770 rules in 1717 ms. Remains 445 /1628 variables (removed 1183) and now considering 1273/5962 (removed 4689) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1728 ms. Remains : 445/1628 places, 1273/5962 transitions.
[2025-06-02 10:16:09] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {194=1, 306=1, 507=1, 720=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 364=1, 565=1, 715=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 167 ms. (steps per millisecond=59 ) properties (out of 9) seen :[0, 0, 2, 0, 0, 0, 0, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 1, 2, 0, 1, 3, 1, 1, 2] Max Struct:[16, +inf, +inf, +inf, 16, +inf, +inf, 16, +inf]
[2025-06-02 10:16:09] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
// Phase 1: matrix 728 rows 445 cols
[2025-06-02 10:16:09] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 2, 0, 1, 3, 1, 1, 2] Max Struct:[16, +inf, +inf, +inf, 16, +inf, +inf, 16, +inf]
RANDOM walk for 1000004 steps (2 resets) in 4099 ms. (243 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 8424 ms. (1068 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 186, 192, 4, 2, 4, 1689, 1, 196] Max Struct:[16, +inf, +inf, +inf, 16, +inf, +inf, 16, +inf]
[2025-06-02 10:16:22] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:16:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:22] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:16:22] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-06-02 10:16:22] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:16:22] [INFO ] [Real]Added 86 Read/Feed constraints in 41 ms returned sat
[2025-06-02 10:16:22] [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 10:16:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:16:23] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-02 10:16:23] [INFO ] [Nat]Added 86 Read/Feed constraints in 50 ms returned sat
[2025-06-02 10:16:23] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 145 ms.
[2025-06-02 10:16:23] [INFO ] Added : 0 causal constraints over 0 iterations in 250 ms. Result :sat
Minimization took 494 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:24] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:16:24] [INFO ] [Real]Absence check using state equation in 413 ms returned sat
[2025-06-02 10:16:24] [INFO ] [Real]Added 86 Read/Feed constraints in 81 ms returned sat
[2025-06-02 10:16:24] [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 10:16:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:16:25] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-02 10:16:25] [INFO ] [Nat]Added 86 Read/Feed constraints in 62 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:16:26] [INFO ] Deduced a trap composed of 73 places in 705 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:16:26] [INFO ] Deduced a trap composed of 73 places in 728 ms of which 70 ms to minimize.
[2025-06-02 10:16:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1601 ms
[2025-06-02 10:16:27] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 143 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:16:28] [INFO ] Deduced a trap composed of 125 places in 713 ms of which 109 ms to minimize.
[2025-06-02 10:16:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 798 ms
[2025-06-02 10:16:28] [INFO ] Added : 10 causal constraints over 4 iterations in 1402 ms. Result :sat
Minimization took 345 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:28] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:16:29] [INFO ] [Real]Absence check using state equation in 288 ms returned sat
[2025-06-02 10:16:29] [INFO ] [Real]Added 86 Read/Feed constraints in 73 ms returned sat
[2025-06-02 10:16:29] [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 10:16:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 10:16:29] [INFO ] [Nat]Absence check using state equation in 270 ms returned sat
[2025-06-02 10:16:29] [INFO ] [Nat]Added 86 Read/Feed constraints in 56 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:16:30] [INFO ] Deduced a trap composed of 73 places in 531 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:16:30] [INFO ] Deduced a trap composed of 80 places in 472 ms of which 60 ms to minimize.
[2025-06-02 10:16:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1103 ms
[2025-06-02 10:16:31] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 154 ms.
[2025-06-02 10:16:31] [INFO ] Added : 40 causal constraints over 9 iterations in 917 ms. Result :sat
Minimization took 559 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:32] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:16:32] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-06-02 10:16:32] [INFO ] [Real]Added 86 Read/Feed constraints in 44 ms returned sat
[2025-06-02 10:16:32] [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 10:16:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:16:33] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-02 10:16:33] [INFO ] [Nat]Added 86 Read/Feed constraints in 107 ms returned sat
[2025-06-02 10:16:33] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 143 ms.
[2025-06-02 10:16:34] [INFO ] Added : 20 causal constraints over 6 iterations in 782 ms. Result :sat
Minimization took 574 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:34] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:16:35] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2025-06-02 10:16:35] [INFO ] [Real]Added 86 Read/Feed constraints in 38 ms returned sat
[2025-06-02 10:16:35] [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 10:16:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 10:16:35] [INFO ] [Nat]Absence check using state equation in 336 ms returned sat
[2025-06-02 10:16:35] [INFO ] [Nat]Added 86 Read/Feed constraints in 69 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:16:36] [INFO ] Deduced a trap composed of 73 places in 607 ms of which 69 ms to minimize.
[2025-06-02 10:16:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 674 ms
[2025-06-02 10:16:36] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 121 ms.
[2025-06-02 10:16:36] [INFO ] Added : 2 causal constraints over 1 iterations in 261 ms. Result :sat
Minimization took 621 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:37] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:16:37] [INFO ] [Real]Absence check using state equation in 241 ms returned sat
[2025-06-02 10:16:37] [INFO ] [Real]Added 86 Read/Feed constraints in 41 ms returned sat
[2025-06-02 10:16:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:16:38] [INFO ] [Nat]Absence check using state equation in 393 ms returned sat
[2025-06-02 10:16:38] [INFO ] [Nat]Added 86 Read/Feed constraints in 80 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:16:38] [INFO ] Deduced a trap composed of 73 places in 459 ms of which 53 ms to minimize.
[2025-06-02 10:16:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 520 ms
[2025-06-02 10:16:39] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 111 ms.
[2025-06-02 10:16:39] [INFO ] Added : 3 causal constraints over 1 iterations in 236 ms. Result :sat
Minimization took 582 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:39] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:16:40] [INFO ] [Real]Absence check using state equation in 392 ms returned sat
[2025-06-02 10:16:40] [INFO ] [Real]Added 86 Read/Feed constraints in 71 ms returned sat
[2025-06-02 10:16:40] [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 10:16:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:16:40] [INFO ] [Nat]Absence check using state equation in 364 ms returned sat
[2025-06-02 10:16:41] [INFO ] [Nat]Added 86 Read/Feed constraints in 60 ms returned sat
[2025-06-02 10:16:41] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 142 ms.
[2025-06-02 10:16:41] [INFO ] Added : 5 causal constraints over 2 iterations in 586 ms. Result :sat
Minimization took 512 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:42] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:16:42] [INFO ] [Real]Absence check using state equation in 448 ms returned sat
[2025-06-02 10:16:42] [INFO ] [Real]Added 86 Read/Feed constraints in 72 ms returned sat
[2025-06-02 10:16:42] [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 10:16:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:16:43] [INFO ] [Nat]Absence check using state equation in 431 ms returned sat
[2025-06-02 10:16:43] [INFO ] [Nat]Added 86 Read/Feed constraints in 103 ms returned sat
[2025-06-02 10:16:43] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 154 ms.
[2025-06-02 10:16:44] [INFO ] Added : 2 causal constraints over 1 iterations in 353 ms. Result :sat
Minimization took 749 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:16:44] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 10:16:45] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
[2025-06-02 10:16:45] [INFO ] [Real]Added 86 Read/Feed constraints in 59 ms returned sat
[2025-06-02 10:16:45] [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 10:16:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 10:16:45] [INFO ] [Nat]Absence check using state equation in 355 ms returned sat
[2025-06-02 10:16:46] [INFO ] [Nat]Added 86 Read/Feed constraints in 71 ms returned sat
[2025-06-02 10:16:46] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 143 ms.
[2025-06-02 10:16:46] [INFO ] Added : 9 causal constraints over 3 iterations in 577 ms. Result :sat
Minimization took 570 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 186, 192, 4, 2, 4, 1689, 1, 196] Max Struct:[16, +inf, +inf, +inf, 16, +inf, +inf, 16, +inf]
FORMULA FunctionPointer-PT-c016-UpperBounds-13 16 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FunctionPointer-PT-c016-UpperBounds-08 16 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16, 186, 192, 7, 4, 1689, 196] Max Struct:[16, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Applied a total of 0 rules in 62 ms. Remains 445 /445 variables (removed 0) and now considering 1273/1273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 445/445 places, 1273/1273 transitions.
[2025-06-02 10:16:56] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {194=1, 306=1, 507=1, 720=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 364=1, 565=1, 715=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 356 ms. (steps per millisecond=28 ) properties (out of 7) seen :[1, 0, 2, 0, 0, 0, 0]
FORMULA FunctionPointer-PT-c016-UpperBounds-00 16 TECHNIQUES TOPOLOGICAL COVER_WALK
Current structural bounds on expressions (after cover walk) : Max Seen:[186, 192, 7, 4, 1689, 196] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 10:16:57] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:16:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[186, 192, 7, 4, 1689, 196] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 3899 ms. (256 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 5517 ms. (1087 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[186, 192, 176, 4, 1689, 196] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 10:17:06] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:17:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:17:06] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:17:07] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2025-06-02 10:17:07] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:17:07] [INFO ] [Real]Added 86 Read/Feed constraints in 50 ms returned sat
[2025-06-02 10:17:07] [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 10:17:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:17:07] [INFO ] [Nat]Absence check using state equation in 272 ms returned sat
[2025-06-02 10:17:07] [INFO ] [Nat]Added 86 Read/Feed constraints in 43 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:17:08] [INFO ] Deduced a trap composed of 73 places in 464 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:17:08] [INFO ] Deduced a trap composed of 73 places in 617 ms of which 75 ms to minimize.
[2025-06-02 10:17:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1217 ms
[2025-06-02 10:17:09] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 152 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:17:10] [INFO ] Deduced a trap composed of 125 places in 737 ms of which 113 ms to minimize.
[2025-06-02 10:17:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 852 ms
[2025-06-02 10:17:10] [INFO ] Added : 10 causal constraints over 4 iterations in 1507 ms. Result :sat
Minimization took 541 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:17:11] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:17:11] [INFO ] [Real]Absence check using state equation in 383 ms returned sat
[2025-06-02 10:17:11] [INFO ] [Real]Added 86 Read/Feed constraints in 99 ms returned sat
[2025-06-02 10:17:11] [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 10:17:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:17:12] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-02 10:17:12] [INFO ] [Nat]Added 86 Read/Feed constraints in 77 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:17:12] [INFO ] Deduced a trap composed of 73 places in 627 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:17:13] [INFO ] Deduced a trap composed of 80 places in 531 ms of which 104 ms to minimize.
[2025-06-02 10:17:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1281 ms
[2025-06-02 10:17:13] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 155 ms.
[2025-06-02 10:17:14] [INFO ] Added : 40 causal constraints over 9 iterations in 916 ms. Result :sat
Minimization took 576 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:17:15] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:17:15] [INFO ] [Real]Absence check using state equation in 406 ms returned sat
[2025-06-02 10:17:15] [INFO ] [Real]Added 86 Read/Feed constraints in 126 ms returned sat
[2025-06-02 10:17:15] [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 10:17:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:17:16] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-02 10:17:16] [INFO ] [Nat]Added 86 Read/Feed constraints in 78 ms returned sat
[2025-06-02 10:17:16] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 142 ms.
[2025-06-02 10:17:17] [INFO ] Added : 20 causal constraints over 7 iterations in 889 ms. Result :sat
Minimization took 566 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:17:18] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:17:18] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
[2025-06-02 10:17:18] [INFO ] [Real]Added 86 Read/Feed constraints in 72 ms returned sat
[2025-06-02 10:17:18] [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 10:17:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:17:19] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-02 10:17:19] [INFO ] [Nat]Added 86 Read/Feed constraints in 131 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:17:19] [INFO ] Deduced a trap composed of 73 places in 478 ms of which 44 ms to minimize.
[2025-06-02 10:17:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 552 ms
[2025-06-02 10:17:20] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 155 ms.
[2025-06-02 10:17:20] [INFO ] Added : 3 causal constraints over 1 iterations in 341 ms. Result :sat
Minimization took 621 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:17:20] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:17:21] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2025-06-02 10:17:21] [INFO ] [Real]Added 86 Read/Feed constraints in 44 ms returned sat
[2025-06-02 10:17:21] [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 10:17:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:17:21] [INFO ] [Nat]Absence check using state equation in 260 ms returned sat
[2025-06-02 10:17:21] [INFO ] [Nat]Added 86 Read/Feed constraints in 37 ms returned sat
[2025-06-02 10:17:21] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 90 ms.
[2025-06-02 10:17:22] [INFO ] Added : 5 causal constraints over 2 iterations in 540 ms. Result :sat
Minimization took 523 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:17:22] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:17:23] [INFO ] [Real]Absence check using state equation in 257 ms returned sat
[2025-06-02 10:17:23] [INFO ] [Real]Added 86 Read/Feed constraints in 43 ms returned sat
[2025-06-02 10:17:23] [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 10:17:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:17:23] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2025-06-02 10:17:23] [INFO ] [Nat]Added 86 Read/Feed constraints in 75 ms returned sat
[2025-06-02 10:17:24] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 145 ms.
[2025-06-02 10:17:24] [INFO ] Added : 9 causal constraints over 3 iterations in 573 ms. Result :sat
Minimization took 579 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[186, 192, 176, 4, 1689, 196] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[186, 192, 176, 5, 1689, 196] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Applied a total of 0 rules in 66 ms. Remains 445 /445 variables (removed 0) and now considering 1273/1273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 445/445 places, 1273/1273 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Applied a total of 0 rules in 64 ms. Remains 445 /445 variables (removed 0) and now considering 1273/1273 (removed 0) transitions.
[2025-06-02 10:17:36] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:17:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:17:36] [INFO ] Implicit Places using invariants in 764 ms returned []
[2025-06-02 10:17:36] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:17:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:17:37] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:17:39] [INFO ] Implicit Places using invariants and state equation in 2573 ms returned []
Implicit Place search using SMT with State Equation took 3339 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:17:39] [INFO ] Redundant transitions in 113 ms returned []
Running 1271 sub problems to find dead transitions.
[2025-06-02 10:17:39] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:17:39] [INFO ] Invariant cache hit.
[2025-06-02 10:17:39] [INFO ] State equation strengthened by 86 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/445 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:18:06] [INFO ] Deduced a trap composed of 131 places in 421 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 445/1173 variables, and 4 constraints, problems are : Problem set: 0 solved, 1271 unsolved in 30090 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/445 constraints, ReadFeed: 0/86 constraints, PredecessorRefiner: 1271/1271 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1271 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/445 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/445 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 445/1173 variables, and 4 constraints, problems are : Problem set: 0 solved, 1271 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/445 constraints, ReadFeed: 0/86 constraints, PredecessorRefiner: 0/1271 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62828ms problems are : Problem set: 0 solved, 1271 unsolved
Search for dead transitions found 0 dead transitions in 62857ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66400 ms. Remains : 445/445 places, 1273/1273 transitions.
[2025-06-02 10:18:42] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {194=1, 306=1, 507=1, 720=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 364=1, 565=1, 715=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 6) seen :[2, 2, 2, 1, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[186, 192, 176, 5, 1689, 196] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 10:18:43] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:18:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[186, 192, 176, 5, 1689, 196] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4153 ms. (240 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 5663 ms. (1059 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 10:18:53] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:18:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:18:53] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:18:53] [INFO ] [Real]Absence check using state equation in 301 ms returned sat
[2025-06-02 10:18:53] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:18:53] [INFO ] [Real]Added 86 Read/Feed constraints in 78 ms returned sat
[2025-06-02 10:18:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:18:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:18:54] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-02 10:18:54] [INFO ] [Nat]Added 86 Read/Feed constraints in 66 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:18:54] [INFO ] Deduced a trap composed of 73 places in 683 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:18:55] [INFO ] Deduced a trap composed of 73 places in 547 ms of which 78 ms to minimize.
[2025-06-02 10:18:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1383 ms
[2025-06-02 10:18:55] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 159 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:18:56] [INFO ] Deduced a trap composed of 125 places in 709 ms of which 68 ms to minimize.
[2025-06-02 10:18:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 795 ms
[2025-06-02 10:18:57] [INFO ] Added : 10 causal constraints over 4 iterations in 1428 ms. Result :sat
Minimization took 415 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:18:57] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:18:58] [INFO ] [Real]Absence check using state equation in 386 ms returned sat
[2025-06-02 10:18:58] [INFO ] [Real]Added 86 Read/Feed constraints in 90 ms returned sat
[2025-06-02 10:18:58] [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 10:18:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 10:18:58] [INFO ] [Nat]Absence check using state equation in 386 ms returned sat
[2025-06-02 10:18:58] [INFO ] [Nat]Added 86 Read/Feed constraints in 82 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:18:59] [INFO ] Deduced a trap composed of 73 places in 663 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:19:00] [INFO ] Deduced a trap composed of 80 places in 532 ms of which 82 ms to minimize.
[2025-06-02 10:19:00] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1299 ms
[2025-06-02 10:19:00] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 112 ms.
[2025-06-02 10:19:00] [INFO ] Added : 40 causal constraints over 9 iterations in 842 ms. Result :sat
Minimization took 572 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:19:01] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:19:02] [INFO ] [Real]Absence check using state equation in 396 ms returned sat
[2025-06-02 10:19:02] [INFO ] [Real]Added 86 Read/Feed constraints in 129 ms returned sat
[2025-06-02 10:19:02] [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 10:19:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2025-06-02 10:19:02] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-02 10:19:02] [INFO ] [Nat]Added 86 Read/Feed constraints in 77 ms returned sat
[2025-06-02 10:19:03] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 141 ms.
[2025-06-02 10:19:03] [INFO ] Added : 20 causal constraints over 7 iterations in 876 ms. Result :sat
Minimization took 557 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:19:04] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:19:04] [INFO ] [Real]Absence check using state equation in 267 ms returned sat
[2025-06-02 10:19:04] [INFO ] [Real]Added 86 Read/Feed constraints in 50 ms returned sat
[2025-06-02 10:19:04] [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 10:19:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 10:19:05] [INFO ] [Nat]Absence check using state equation in 280 ms returned sat
[2025-06-02 10:19:05] [INFO ] [Nat]Added 86 Read/Feed constraints in 101 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:19:05] [INFO ] Deduced a trap composed of 73 places in 591 ms of which 60 ms to minimize.
[2025-06-02 10:19:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 664 ms
[2025-06-02 10:19:06] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 130 ms.
[2025-06-02 10:19:06] [INFO ] Added : 3 causal constraints over 1 iterations in 272 ms. Result :sat
Minimization took 601 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:19:07] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:19:07] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2025-06-02 10:19:07] [INFO ] [Real]Added 86 Read/Feed constraints in 43 ms returned sat
[2025-06-02 10:19:07] [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 10:19:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:19:07] [INFO ] [Nat]Absence check using state equation in 375 ms returned sat
[2025-06-02 10:19:07] [INFO ] [Nat]Added 86 Read/Feed constraints in 57 ms returned sat
[2025-06-02 10:19:08] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 146 ms.
[2025-06-02 10:19:08] [INFO ] Added : 5 causal constraints over 2 iterations in 581 ms. Result :sat
Minimization took 523 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:19:09] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:19:09] [INFO ] [Real]Absence check using state equation in 403 ms returned sat
[2025-06-02 10:19:09] [INFO ] [Real]Added 86 Read/Feed constraints in 71 ms returned sat
[2025-06-02 10:19:09] [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 10:19:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:19:10] [INFO ] [Nat]Absence check using state equation in 394 ms returned sat
[2025-06-02 10:19:10] [INFO ] [Nat]Added 86 Read/Feed constraints in 46 ms returned sat
[2025-06-02 10:19:10] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 98 ms.
[2025-06-02 10:19:10] [INFO ] Added : 9 causal constraints over 3 iterations in 367 ms. Result :sat
Minimization took 549 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Applied a total of 0 rules in 84 ms. Remains 445 /445 variables (removed 0) and now considering 1273/1273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84 ms. Remains : 445/445 places, 1273/1273 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Applied a total of 0 rules in 82 ms. Remains 445 /445 variables (removed 0) and now considering 1273/1273 (removed 0) transitions.
[2025-06-02 10:19:23] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:19:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:19:24] [INFO ] Implicit Places using invariants in 922 ms returned []
[2025-06-02 10:19:24] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:19:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:19:24] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:19:26] [INFO ] Implicit Places using invariants and state equation in 2669 ms returned []
Implicit Place search using SMT with State Equation took 3593 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:19:26] [INFO ] Redundant transitions in 40 ms returned []
Running 1271 sub problems to find dead transitions.
[2025-06-02 10:19:26] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:19:26] [INFO ] Invariant cache hit.
[2025-06-02 10:19:26] [INFO ] State equation strengthened by 86 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/445 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:19:52] [INFO ] Deduced a trap composed of 131 places in 429 ms of which 13 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 445/1173 variables, and 4 constraints, problems are : Problem set: 0 solved, 1271 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/445 constraints, ReadFeed: 0/86 constraints, PredecessorRefiner: 1271/1271 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1271 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/445 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/445 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
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(s440 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 445/1173 variables, and 4 constraints, problems are : Problem set: 0 solved, 1271 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/445 constraints, ReadFeed: 0/86 constraints, PredecessorRefiner: 0/1271 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61896ms problems are : Problem set: 0 solved, 1271 unsolved
Search for dead transitions found 0 dead transitions in 61902ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65627 ms. Remains : 445/445 places, 1273/1273 transitions.
[2025-06-02 10:20:28] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {194=1, 306=1, 507=1, 720=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 364=1, 565=1, 715=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 6) seen :[0, 2, 0, 1, 5, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 10:20:29] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:20:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4168 ms. (239 steps per ms)
BEST_FIRST walk for 6000005 steps (12 resets) in 5745 ms. (1044 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 10:20:39] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:20:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:20:39] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:20:39] [INFO ] [Real]Absence check using state equation in 282 ms returned sat
[2025-06-02 10:20:39] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:20:39] [INFO ] [Real]Added 86 Read/Feed constraints in 55 ms returned sat
[2025-06-02 10:20:39] [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 10:20:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:20:40] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-02 10:20:40] [INFO ] [Nat]Added 86 Read/Feed constraints in 38 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:20:40] [INFO ] Deduced a trap composed of 73 places in 534 ms of which 91 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:20:41] [INFO ] Deduced a trap composed of 73 places in 735 ms of which 79 ms to minimize.
[2025-06-02 10:20:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1425 ms
[2025-06-02 10:20:41] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 159 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:20:43] [INFO ] Deduced a trap composed of 125 places in 752 ms of which 114 ms to minimize.
[2025-06-02 10:20:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 866 ms
[2025-06-02 10:20:43] [INFO ] Added : 10 causal constraints over 4 iterations in 1537 ms. Result :sat
Minimization took 543 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:20:44] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 10:20:44] [INFO ] [Real]Absence check using state equation in 378 ms returned sat
[2025-06-02 10:20:44] [INFO ] [Real]Added 86 Read/Feed constraints in 99 ms returned sat
[2025-06-02 10:20:44] [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 10:20:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:20:45] [INFO ] [Nat]Absence check using state equation in 402 ms returned sat
[2025-06-02 10:20:45] [INFO ] [Nat]Added 86 Read/Feed constraints in 84 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:20:45] [INFO ] Deduced a trap composed of 73 places in 657 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:20:46] [INFO ] Deduced a trap composed of 80 places in 576 ms of which 103 ms to minimize.
[2025-06-02 10:20:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1348 ms
[2025-06-02 10:20:46] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 154 ms.
[2025-06-02 10:20:47] [INFO ] Added : 40 causal constraints over 9 iterations in 911 ms. Result :sat
Minimization took 574 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:20:48] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:20:48] [INFO ] [Real]Absence check using state equation in 400 ms returned sat
[2025-06-02 10:20:48] [INFO ] [Real]Added 86 Read/Feed constraints in 127 ms returned sat
[2025-06-02 10:20:48] [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 10:20:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:20:49] [INFO ] [Nat]Absence check using state equation in 373 ms returned sat
[2025-06-02 10:20:49] [INFO ] [Nat]Added 86 Read/Feed constraints in 81 ms returned sat
[2025-06-02 10:20:49] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 145 ms.
[2025-06-02 10:20:50] [INFO ] Added : 20 causal constraints over 7 iterations in 902 ms. Result :sat
Minimization took 575 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:20:51] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:20:51] [INFO ] [Real]Absence check using state equation in 395 ms returned sat
[2025-06-02 10:20:51] [INFO ] [Real]Added 86 Read/Feed constraints in 77 ms returned sat
[2025-06-02 10:20:51] [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 10:20:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:20:52] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-02 10:20:52] [INFO ] [Nat]Added 86 Read/Feed constraints in 107 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:20:52] [INFO ] Deduced a trap composed of 73 places in 479 ms of which 50 ms to minimize.
[2025-06-02 10:20:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 536 ms
[2025-06-02 10:20:53] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 104 ms.
[2025-06-02 10:20:53] [INFO ] Added : 3 causal constraints over 1 iterations in 223 ms. Result :sat
Minimization took 596 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:20:53] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:20:54] [INFO ] [Real]Absence check using state equation in 400 ms returned sat
[2025-06-02 10:20:54] [INFO ] [Real]Added 86 Read/Feed constraints in 43 ms returned sat
[2025-06-02 10:20:54] [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 10:20:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:20:54] [INFO ] [Nat]Absence check using state equation in 262 ms returned sat
[2025-06-02 10:20:54] [INFO ] [Nat]Added 86 Read/Feed constraints in 39 ms returned sat
[2025-06-02 10:20:54] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 96 ms.
[2025-06-02 10:20:55] [INFO ] Added : 5 causal constraints over 2 iterations in 365 ms. Result :sat
Minimization took 469 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:20:55] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:20:56] [INFO ] [Real]Absence check using state equation in 401 ms returned sat
[2025-06-02 10:20:56] [INFO ] [Real]Added 86 Read/Feed constraints in 70 ms returned sat
[2025-06-02 10:20:56] [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 10:20:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:20:56] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2025-06-02 10:20:57] [INFO ] [Nat]Added 86 Read/Feed constraints in 77 ms returned sat
[2025-06-02 10:20:57] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 156 ms.
[2025-06-02 10:20:57] [INFO ] Added : 9 causal constraints over 3 iterations in 605 ms. Result :sat
Minimization took 575 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Applied a total of 0 rules in 72 ms. Remains 445 /445 variables (removed 0) and now considering 1273/1273 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 445/445 places, 1273/1273 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Applied a total of 0 rules in 64 ms. Remains 445 /445 variables (removed 0) and now considering 1273/1273 (removed 0) transitions.
[2025-06-02 10:21:09] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:21:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:21:10] [INFO ] Implicit Places using invariants in 716 ms returned []
[2025-06-02 10:21:10] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:21:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:21:10] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:21:13] [INFO ] Implicit Places using invariants and state equation in 3165 ms returned []
Implicit Place search using SMT with State Equation took 3882 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:21:13] [INFO ] Redundant transitions in 31 ms returned []
Running 1271 sub problems to find dead transitions.
[2025-06-02 10:21:13] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:21:13] [INFO ] Invariant cache hit.
[2025-06-02 10:21:13] [INFO ] State equation strengthened by 86 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/445 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:21:39] [INFO ] Deduced a trap composed of 131 places in 274 ms of which 8 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 445/1173 variables, and 4 constraints, problems are : Problem set: 0 solved, 1271 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/445 constraints, ReadFeed: 0/86 constraints, PredecessorRefiner: 1271/1271 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1271 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/445 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/445 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1271 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s180 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 445/1173 variables, and 4 constraints, problems are : Problem set: 0 solved, 1271 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/445 constraints, ReadFeed: 0/86 constraints, PredecessorRefiner: 0/1271 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62213ms problems are : Problem set: 0 solved, 1271 unsolved
Search for dead transitions found 0 dead transitions in 62218ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66206 ms. Remains : 445/445 places, 1273/1273 transitions.
[2025-06-02 10:22:15] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {194=1, 306=1, 507=1, 720=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 364=1, 565=1, 715=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 6) seen :[0, 2, 0, 0, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40002 steps (8 resets) in 1321 ms. (30 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 5/5 properties
[2025-06-02 10:22:17] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:22:17] [INFO ] Invariant cache hit.
[2025-06-02 10:22:17] [INFO ] State equation strengthened by 86 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 11/16 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 383/399 variables, 13/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
[2025-06-02 10:22:17] [INFO ] Flatten gal took : 435 ms
At refinement iteration 4 (INCLUDED_ONLY) 0/399 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 12/411 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/411 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/411 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
[2025-06-02 10:22:17] [INFO ] Flatten gal took : 218 ms
[2025-06-02 10:22:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8258176342304856380.gal : 54 ms
[2025-06-02 10:22:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2035821555276215482.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/ReachabilityCardinality8258176342304856380.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2035821555276215482.prop' '--nowitness' '--gen-order' 'FOLLOW'
At refinement iteration 8 (OVERLAPS) 630/1041 variables, 355/377 constraints. Problems are: Problem set: 0 solved, 5 unsolved
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
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1041 variables, 85/462 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1041 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 62/1103 variables, 1/463 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Loading property file /tmp/ReachabilityCardinality2035821555276215482.prop.
At refinement iteration 12 (INCLUDED_ONLY) 0/1103 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 70/1173 variables, 70/533 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1173 variables, 1/534 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1173 variables, 0/534 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 0/1173 variables, 0/534 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1173/1173 variables, and 534 constraints, problems are : Problem set: 0 solved, 5 unsolved in 993 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 445/445 constraints, ReadFeed: 86/86 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 11/16 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 31
At refinement iteration 3 (OVERLAPS) 383/399 variables, 13/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/399 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/399 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 12/411 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/411 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/411 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :31 after 1989
At refinement iteration 9 (OVERLAPS) 630/1041 variables, 355/381 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1041 variables, 85/466 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1041 variables, 1/467 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:22:19] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1041 variables, 1/468 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1041 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 62/1103 variables, 1/469 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1103 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 70/1173 variables, 70/539 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1173 variables, 1/540 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:22:19] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:22:20] [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 10:22:20] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :1989 after 1.23185e+06
At refinement iteration 18 (INCLUDED_ONLY) 0/1173 variables, 3/543 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1173 variables, 0/543 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (OVERLAPS) 0/1173 variables, 0/543 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1173/1173 variables, and 543 constraints, problems are : Problem set: 0 solved, 5 unsolved in 2482 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 445/445 constraints, ReadFeed: 86/86 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 3505ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 4 different solutions.
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :1.23185e+06 after 3.6349e+10
Parikh walk visited 1 properties in 30001 ms.
Support contains 4 out of 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Graph (complete) has 2185 edges and 445 vertex of which 442 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 442 transition count 1268
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 441 transition count 1266
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 441 transition count 1266
Applied a total of 8 rules in 91 ms. Remains 441 /445 variables (removed 4) and now considering 1266/1273 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 441/445 places, 1266/1273 transitions.
RANDOM walk for 40004 steps (8 resets) in 381 ms. (104 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 74 ms. (533 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 4/4 properties
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :3.6349e+10 after 4.75057e+17
Interrupted probabilistic random walk after 200429 steps, run timeout after 3001 ms. (steps per millisecond=66 ) properties seen :0 out of 4
Probabilistic random walk after 200429 steps, saw 122918 distinct states, run finished after 3006 ms. (steps per millisecond=66 ) properties seen :0
[2025-06-02 10:22:54] [INFO ] Flow matrix only has 720 transitions (discarded 546 similar events)
// Phase 1: matrix 720 rows 441 cols
[2025-06-02 10:22:54] [INFO ] Computed 3 invariants in 4 ms
[2025-06-02 10:22:54] [INFO ] State equation strengthened by 81 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 24/36 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 376/412 variables, 16/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/412 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/412 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/412 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 9/421 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/421 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/421 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 614/1035 variables, 346/378 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1035 variables, 80/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1035 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 62/1097 variables, 1/459 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1097 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 64/1161 variables, 66/525 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1161 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/1161 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1161/1161 variables, and 525 constraints, problems are : Problem set: 0 solved, 4 unsolved in 824 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 441/441 constraints, ReadFeed: 81/81 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 24/36 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 376/412 variables, 16/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/412 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/412 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/412 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/412 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 9/421 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/421 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/421 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 614/1035 variables, 346/382 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1035 variables, 80/462 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1035 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 62/1097 variables, 1/463 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1097 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 64/1161 variables, 66/529 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:22:55] [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 10:22:56] [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 10:22:56] [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 10:22:56] [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 10:22:56] [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 10:22:56] [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 10:22:56] [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 10:22:56] [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 10:22:56] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/1161 variables, 9/538 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1161 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 0/1161 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1161/1161 variables, and 538 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1939 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 441/441 constraints, ReadFeed: 81/81 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 2787ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Detected timeout of ITS tools.
[2025-06-02 10:23:08] [INFO ] Flatten gal took : 116 ms
[2025-06-02 10:23:08] [INFO ] Applying decomposition
[2025-06-02 10:23:08] [INFO ] Flatten gal took : 127 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/graph1345383956502967403.txt' '-o' '/tmp/graph1345383956502967403.bin' '-w' '/tmp/graph1345383956502967403.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1345383956502967403.bin' '-l' '-1' '-v' '-w' '/tmp/graph1345383956502967403.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:23:08] [INFO ] Decomposing Gal with order
[2025-06-02 10:23:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:23:09] [INFO ] Removed a total of 2187 redundant transitions.
[2025-06-02 10:23:09] [INFO ] Flatten gal took : 379 ms
[2025-06-02 10:23:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 909 labels/synchronizations in 186 ms.
[2025-06-02 10:23:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16630244480527595663.gal : 38 ms
[2025-06-02 10:23:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11735341189406981216.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/ReachabilityCardinality16630244480527595663.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11735341189406981216.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/ReachabilityCardinality11735341189406981216.prop.
Parikh walk visited 0 properties in 19935 ms.
Support contains 4 out of 441 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 441/441 places, 1266/1266 transitions.
Applied a total of 0 rules in 65 ms. Remains 441 /441 variables (removed 0) and now considering 1266/1266 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 441/441 places, 1266/1266 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 441/441 places, 1266/1266 transitions.
Applied a total of 0 rules in 62 ms. Remains 441 /441 variables (removed 0) and now considering 1266/1266 (removed 0) transitions.
[2025-06-02 10:23:16] [INFO ] Flow matrix only has 720 transitions (discarded 546 similar events)
[2025-06-02 10:23:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:23:17] [INFO ] Implicit Places using invariants in 564 ms returned []
[2025-06-02 10:23:17] [INFO ] Flow matrix only has 720 transitions (discarded 546 similar events)
[2025-06-02 10:23:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:23:17] [INFO ] State equation strengthened by 81 read => feed constraints.
[2025-06-02 10:23:20] [INFO ] Implicit Places using invariants and state equation in 3172 ms returned []
Implicit Place search using SMT with State Equation took 3738 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:23:20] [INFO ] Redundant transitions in 120 ms returned []
Running 1264 sub problems to find dead transitions.
[2025-06-02 10:23:20] [INFO ] Flow matrix only has 720 transitions (discarded 546 similar events)
[2025-06-02 10:23:20] [INFO ] Invariant cache hit.
[2025-06-02 10:23:20] [INFO ] State equation strengthened by 81 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/441 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1264 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:23:36] [INFO ] Deduced a trap composed of 131 places in 247 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/441 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1264 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 441/1161 variables, and 4 constraints, problems are : Problem set: 0 solved, 1264 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/441 constraints, ReadFeed: 0/81 constraints, PredecessorRefiner: 1264/1264 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1264 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/441 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1264 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/441 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1264 unsolved
Detected timeout of ITS tools.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 441/1161 variables, and 4 constraints, problems are : Problem set: 0 solved, 1264 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/441 constraints, ReadFeed: 0/81 constraints, PredecessorRefiner: 0/1264 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62096ms problems are : Problem set: 0 solved, 1264 unsolved
Search for dead transitions found 0 dead transitions in 62104ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66044 ms. Remains : 441/441 places, 1266/1266 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[308, 202, 176, 5, 1689, 257] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-c016-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:24:22] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
// Phase 1: matrix 728 rows 445 cols
[2025-06-02 10:24:22] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 66 ms. (149 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:24:23] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:24:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:24:23] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:24:23] [INFO ] [Real]Absence check using state equation in 406 ms returned sat
[2025-06-02 10:24:23] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:24:23] [INFO ] [Real]Added 86 Read/Feed constraints in 51 ms returned sat
[2025-06-02 10:24:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:24:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:24:24] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2025-06-02 10:24:24] [INFO ] [Nat]Added 86 Read/Feed constraints in 59 ms returned sat
[2025-06-02 10:24:24] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 147 ms.
[2025-06-02 10:24:24] [INFO ] Added : 6 causal constraints over 4 iterations in 540 ms. Result :sat
Minimization took 452 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 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Graph (complete) has 2185 edges and 445 vertex of which 442 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 442 transition count 1268
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 438 transition count 1260
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 438 transition count 1260
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 16 place count 438 transition count 1258
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 19 place count 435 transition count 1250
Iterating global reduction 2 with 3 rules applied. Total rules applied 22 place count 435 transition count 1250
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 432 transition count 1242
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 432 transition count 1242
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 429 transition count 1234
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 429 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 37 place count 426 transition count 1228
Iterating global reduction 2 with 3 rules applied. Total rules applied 40 place count 426 transition count 1228
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 423 transition count 1222
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 423 transition count 1222
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 420 transition count 1216
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 420 transition count 1216
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 55 place count 417 transition count 1210
Iterating global reduction 2 with 3 rules applied. Total rules applied 58 place count 417 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 416 transition count 1208
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 416 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 61 place count 415 transition count 1206
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 415 transition count 1206
Applied a total of 62 rules in 194 ms. Remains 415 /445 variables (removed 30) and now considering 1206/1273 (removed 67) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 415/445 places, 1206/1273 transitions.
[2025-06-02 10:24:25] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {202=1, 289=1, 614=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-02 10:24:26] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2025-06-02 10:24:26] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3804 ms. (262 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 887 ms. (1126 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-02 10:24:30] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 10:24:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:24:31] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:24:31] [INFO ] [Real]Absence check using state equation in 228 ms returned sat
[2025-06-02 10:24:31] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:24:31] [INFO ] [Real]Added 74 Read/Feed constraints in 31 ms returned sat
[2025-06-02 10:24:31] [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 10:24:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 10:24:31] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2025-06-02 10:24:31] [INFO ] [Nat]Added 74 Read/Feed constraints in 42 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:24:32] [INFO ] Deduced a trap composed of 70 places in 334 ms of which 30 ms to minimize.
[2025-06-02 10:24:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 415 ms
[2025-06-02 10:24:32] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 85 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:24:33] [INFO ] Deduced a trap composed of 70 places in 639 ms of which 53 ms to minimize.
[2025-06-02 10:24:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 772 ms
[2025-06-02 10:24:33] [INFO ] Added : 4 causal constraints over 2 iterations in 1110 ms. Result :sat
Minimization took 469 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 95 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 92 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-02 10:24:34] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 10:24:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:24:34] [INFO ] Implicit Places using invariants in 785 ms returned []
[2025-06-02 10:24:34] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 10:24:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:24:35] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:24:37] [INFO ] Implicit Places using invariants and state equation in 3011 ms returned []
Implicit Place search using SMT with State Equation took 3798 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:24:37] [INFO ] Redundant transitions in 45 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-02 10:24:37] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-02 10:24:37] [INFO ] Invariant cache hit.
[2025-06-02 10:24:37] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:24:59] [INFO ] Deduced a trap composed of 131 places in 421 ms of which 12 ms to minimize.
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(s364 0.0)
(s365 0.0)
(s366 0.0)
(s367 0.0)
(s368 0.0)
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(s371 0.0)
(s372 0.0)
(s373 0.0)
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(s379 0.0)
(s380 0.0)
(s381 0.0)
(s382 0.0)
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(s384 0.0)
(s385 0.0)
(s386 0.0)
(s387 0.0)
(s388 0.0)
(s389 0.0)
(s390 0.0)
(s391 0.0)
(s392 0.0)
(s393 0.0)
(s394 0.0)
(s395 0.0)
(s396 0.0)
(s397 0.0)
(s398 0.0)
(s399 0.0)
(s400 0.0)
(s401 0.0)
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(s407 0.0)
(s408 0.0)
(s409 0.0)
(s410 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 415/1095 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62076ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62082ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66028 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-02 10:25:39] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {202=1, 289=1, 614=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 211 ms. (steps per millisecond=47 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-02 10:25:41] [INFO ] Flatten gal took : 97 ms
RANDOM walk for 30201 steps (6 resets) in 424 ms. (71 steps per ms) remains 0/1 properties
[2025-06-02 10:25:41] [INFO ] Flatten gal took : 76 ms
[2025-06-02 10:25:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1958754244529915657.gal : 22 ms
[2025-06-02 10:25:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18203030028099349966.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/ReachabilityCardinality1958754244529915657.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18203030028099349966.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
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:[1] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c016-UpperBounds-01 in 78341 ms.
Starting property specific reduction for FunctionPointer-PT-c016-UpperBounds-03
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 10:25:41] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
// Phase 1: matrix 728 rows 445 cols
[2025-06-02 10:25:41] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 53 ms. (185 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 10:25:41] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:25:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:25:41] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:25:41] [INFO ] [Real]Absence check using state equation in 252 ms returned sat
[2025-06-02 10:25:41] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:25:41] [INFO ] [Real]Added 86 Read/Feed constraints in 44 ms returned sat
[2025-06-02 10:25:41] [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 10:25:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:25:42] [INFO ] [Nat]Absence check using state equation in 401 ms returned sat
[2025-06-02 10:25:42] [INFO ] [Nat]Added 86 Read/Feed constraints in 54 ms returned sat
[2025-06-02 10:25:42] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 143 ms.
[2025-06-02 10:25:43] [INFO ] Added : 44 causal constraints over 9 iterations in 1064 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 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Graph (complete) has 2185 edges and 445 vertex of which 442 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 442 transition count 1268
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 438 transition count 1260
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 438 transition count 1260
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 16 place count 438 transition count 1258
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 18 place count 436 transition count 1252
Iterating global reduction 2 with 2 rules applied. Total rules applied 20 place count 436 transition count 1252
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 22 place count 434 transition count 1246
Iterating global reduction 2 with 2 rules applied. Total rules applied 24 place count 434 transition count 1246
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 26 place count 432 transition count 1242
Iterating global reduction 2 with 2 rules applied. Total rules applied 28 place count 432 transition count 1242
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 30 place count 430 transition count 1238
Iterating global reduction 2 with 2 rules applied. Total rules applied 32 place count 430 transition count 1238
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 34 place count 428 transition count 1234
Iterating global reduction 2 with 2 rules applied. Total rules applied 36 place count 428 transition count 1234
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 38 place count 426 transition count 1230
Iterating global reduction 2 with 2 rules applied. Total rules applied 40 place count 426 transition count 1230
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 42 place count 424 transition count 1226
Iterating global reduction 2 with 2 rules applied. Total rules applied 44 place count 424 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 45 place count 423 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 46 place count 423 transition count 1224
Applied a total of 46 rules in 285 ms. Remains 423 /445 variables (removed 22) and now considering 1224/1273 (removed 49) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 286 ms. Remains : 423/445 places, 1224/1273 transitions.
[2025-06-02 10:25:44] [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 1 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 133 ms. (steps per millisecond=75 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-02 10:25:44] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2025-06-02 10:25:44] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3886 ms. (257 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1010 ms. (989 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[205] Max Struct:[+inf]
[2025-06-02 10:25:49] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:25:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:25:49] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:25:50] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2025-06-02 10:25:50] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:25:50] [INFO ] [Real]Added 75 Read/Feed constraints in 86 ms returned sat
[2025-06-02 10:25:50] [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 10:25:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:25:51] [INFO ] [Nat]Absence check using state equation in 388 ms returned sat
[2025-06-02 10:25:51] [INFO ] [Nat]Added 75 Read/Feed constraints in 84 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:25:51] [INFO ] Deduced a trap composed of 70 places in 676 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:25:52] [INFO ] Deduced a trap composed of 77 places in 460 ms of which 45 ms to minimize.
[2025-06-02 10:25:52] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1248 ms
[2025-06-02 10:25:52] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 99 ms.
[2025-06-02 10:25:52] [INFO ] Added : 33 causal constraints over 7 iterations in 510 ms. Result :sat
Minimization took 518 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[205] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[205] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 60 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 62 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 10:25:55] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:25:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:25:56] [INFO ] Implicit Places using invariants in 890 ms returned []
[2025-06-02 10:25:56] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:25:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:25:57] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:25:59] [INFO ] Implicit Places using invariants and state equation in 3031 ms returned []
Implicit Place search using SMT with State Equation took 3921 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:25:59] [INFO ] Redundant transitions in 28 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 10:25:59] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:25:59] [INFO ] Invariant cache hit.
[2025-06-02 10:25:59] [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 10:26:23] [INFO ] Deduced a trap composed of 131 places in 408 ms of which 12 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 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
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 30038 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 62989ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62993ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67015 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 10:27:02] [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 132 ms. (steps per millisecond=75 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[205] Max Struct:[+inf]
[2025-06-02 10:27:03] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:27:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[205] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 4043 ms. (247 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1127 ms. (886 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[221] Max Struct:[+inf]
[2025-06-02 10:27:08] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:27:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:27:08] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:27:08] [INFO ] [Real]Absence check using state equation in 293 ms returned sat
[2025-06-02 10:27:08] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:27:09] [INFO ] [Real]Added 75 Read/Feed constraints in 99 ms returned sat
[2025-06-02 10:27:09] [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 10:27:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:27:09] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-02 10:27:09] [INFO ] [Nat]Added 75 Read/Feed constraints in 85 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:27:10] [INFO ] Deduced a trap composed of 70 places in 699 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:27:11] [INFO ] Deduced a trap composed of 77 places in 676 ms of which 75 ms to minimize.
[2025-06-02 10:27:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1520 ms
[2025-06-02 10:27:11] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 146 ms.
[2025-06-02 10:27:12] [INFO ] Added : 33 causal constraints over 7 iterations in 778 ms. Result :sat
Minimization took 523 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[221] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[221] 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 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 59 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 10:27:15] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:27:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:27:15] [INFO ] Implicit Places using invariants in 674 ms returned []
[2025-06-02 10:27:15] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:27:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:27:16] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:27:18] [INFO ] Implicit Places using invariants and state equation in 2802 ms returned []
Implicit Place search using SMT with State Equation took 3478 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:27:18] [INFO ] Redundant transitions in 29 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 10:27:18] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:27:18] [INFO ] Invariant cache hit.
[2025-06-02 10:27:18] [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 10:27:41] [INFO ] Deduced a trap composed of 131 places in 411 ms of which 13 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s414 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 30038 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: (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 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 62888ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62891ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66466 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 10:28:21] [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 1 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 130 ms. (steps per millisecond=76 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[221] Max Struct:[+inf]
[2025-06-02 10:28:22] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:28:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[221] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 3894 ms. (256 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 914 ms. (1092 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[221] Max Struct:[+inf]
[2025-06-02 10:28:27] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:28:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:28:27] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:28:27] [INFO ] [Real]Absence check using state equation in 326 ms returned sat
[2025-06-02 10:28:27] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:28:27] [INFO ] [Real]Added 75 Read/Feed constraints in 105 ms returned sat
[2025-06-02 10:28:27] [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 10:28:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:28:28] [INFO ] [Nat]Absence check using state equation in 409 ms returned sat
[2025-06-02 10:28:28] [INFO ] [Nat]Added 75 Read/Feed constraints in 82 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:28:28] [INFO ] Deduced a trap composed of 70 places in 643 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:28:29] [INFO ] Deduced a trap composed of 77 places in 657 ms of which 75 ms to minimize.
[2025-06-02 10:28:29] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1438 ms
[2025-06-02 10:28:29] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 147 ms.
[2025-06-02 10:28:30] [INFO ] Added : 33 causal constraints over 7 iterations in 775 ms. Result :sat
Minimization took 526 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[221] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[221] 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 69 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 69 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 79 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 10:28:33] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:28:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:28:34] [INFO ] Implicit Places using invariants in 702 ms returned []
[2025-06-02 10:28:34] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:28:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:28:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:28:37] [INFO ] Implicit Places using invariants and state equation in 3134 ms returned []
Implicit Place search using SMT with State Equation took 3838 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:28:37] [INFO ] Redundant transitions in 43 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 10:28:37] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:28:37] [INFO ] Invariant cache hit.
[2025-06-02 10:28:37] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 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 10:28:56] [INFO ] Deduced a trap composed of 131 places in 260 ms of which 8 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 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 62594ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62598ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66569 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-02 10:29:39] [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 1 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 82 ms. (steps per millisecond=121 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[221] Max Struct:[+inf]
RANDOM walk for 40006 steps (8 resets) in 281 ms. (141 steps per ms) remains 1/1 properties
[2025-06-02 10:29:40] [INFO ] Flatten gal took : 100 ms
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
[2025-06-02 10:29:40] [INFO ] Flatten gal took : 61 ms
[2025-06-02 10:29:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16224165198073535385.gal : 10 ms
[2025-06-02 10:29:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14331401500547436080.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/ReachabilityCardinality16224165198073535385.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14331401500547436080.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/ReachabilityCardinality14331401500547436080.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24463e+06
Interrupted probabilistic random walk after 345692 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 1
Probabilistic random walk after 345692 steps, saw 211984 distinct states, run finished after 3001 ms. (steps per millisecond=115 ) properties seen :0
[2025-06-02 10:29:43] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:29:43] [INFO ] Invariant cache hit.
[2025-06-02 10:29:43] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 502 constraints, problems are : Problem set: 0 solved, 1 unsolved in 661 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1206ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2620 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 62 ms. Remains : 423/423 places, 1224/1224 transitions.
RANDOM walk for 40000 steps (8 resets) in 232 ms. (171 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24463e+06 after 3.74365e+10
Interrupted probabilistic random walk after 357020 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 1
Probabilistic random walk after 357020 steps, saw 218930 distinct states, run finished after 3001 ms. (steps per millisecond=118 ) properties seen :0
[2025-06-02 10:29:50] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:29:50] [INFO ] Invariant cache hit.
[2025-06-02 10:29:50] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 504 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1114 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 502 constraints, problems are : Problem set: 0 solved, 1 unsolved in 672 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1186ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2661 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 62 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 63 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 98 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-02 10:29:54] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:29:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:29:54] [INFO ] Implicit Places using invariants in 513 ms returned []
[2025-06-02 10:29:54] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:29:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:29:55] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:29:57] [INFO ] Implicit Places using invariants and state equation in 2853 ms returned []
Implicit Place search using SMT with State Equation took 3367 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:29:57] [INFO ] Redundant transitions in 31 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-02 10:29:57] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-02 10:29:57] [INFO ] Invariant cache hit.
[2025-06-02 10:29:57] [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 10:30:14] [INFO ] Deduced a trap composed of 131 places in 214 ms of which 8 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74365e+10 after 5.12697e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30026 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
Detected timeout of ITS tools.
[2025-06-02 10:30:30] [INFO ] Flatten gal took : 65 ms
[2025-06-02 10:30:30] [INFO ] Applying decomposition
[2025-06-02 10:30:30] [INFO ] Flatten gal took : 66 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/graph7645911290235167380.txt' '-o' '/tmp/graph7645911290235167380.bin' '-w' '/tmp/graph7645911290235167380.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7645911290235167380.bin' '-l' '-1' '-v' '-w' '/tmp/graph7645911290235167380.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:30:30] [INFO ] Decomposing Gal with order
[2025-06-02 10:30:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:30:31] [INFO ] Removed a total of 2099 redundant transitions.
[2025-06-02 10:30:31] [INFO ] Flatten gal took : 137 ms
[2025-06-02 10:30:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 914 labels/synchronizations in 76 ms.
[2025-06-02 10:30:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12058830833435504184.gal : 9 ms
[2025-06-02 10:30:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6608768251946017611.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/ReachabilityCardinality12058830833435504184.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6608768251946017611.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
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Loading property file /tmp/ReachabilityCardinality6608768251946017611.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 31017 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 63364ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 63367ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66873 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 154 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 10:31:01] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 10:31:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:31:01] [INFO ] After 19ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 10:31:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 10:31:01] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 10:31:01] [INFO ] After 56ms 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 10:31:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:31:01] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 10:31:01] [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 10:31:01] [INFO ] After 17ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:31:01] [INFO ] After 60ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:31:01] [INFO ] Flatten gal took : 2 ms
[2025-06-02 10:31:01] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:31:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8148318309332928930.gal : 1 ms
[2025-06-02 10:31:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13307676603672842866.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/ReachabilityCardinality8148318309332928930.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13307676603672842866.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/ReachabilityCardinality13307676603672842866.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :48 after 1139
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1139 after 31467
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :31467 after 84507
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :84507 after 189771
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :189771 after 399483
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :399483 after 818091
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :818091 after 1.65449e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.65449e+06 after 3.32648e+06
Detected timeout of ITS tools.
[2025-06-02 10:31:16] [INFO ] Flatten gal took : 2 ms
[2025-06-02 10:31:16] [INFO ] Applying decomposition
[2025-06-02 10:31:16] [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/graph11668717950798422712.txt' '-o' '/tmp/graph11668717950798422712.bin' '-w' '/tmp/graph11668717950798422712.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11668717950798422712.bin' '-l' '-1' '-v' '-w' '/tmp/graph11668717950798422712.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:31:16] [INFO ] Decomposing Gal with order
[2025-06-02 10:31:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:31:16] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 10:31:16] [INFO ] Flatten gal took : 3 ms
[2025-06-02 10:31:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2025-06-02 10:31:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16750712963185710820.gal : 1 ms
[2025-06-02 10:31:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13552962188676029929.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/ReachabilityCardinality16750712963185710820.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13552962188676029929.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/ReachabilityCardinality13552962188676029929.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30361 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[221] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c016-UpperBounds-03 in 350305 ms.
Starting property specific reduction for FunctionPointer-PT-c016-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 10:31:31] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
// Phase 1: matrix 728 rows 445 cols
[2025-06-02 10:31:31] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:31:31] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:31:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:31:31] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:31:32] [INFO ] [Real]Absence check using state equation in 312 ms returned sat
[2025-06-02 10:31:32] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:31:32] [INFO ] [Real]Added 86 Read/Feed constraints in 67 ms returned sat
[2025-06-02 10:31:32] [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 10:31:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:31:32] [INFO ] [Nat]Absence check using state equation in 401 ms returned sat
[2025-06-02 10:31:32] [INFO ] [Nat]Added 86 Read/Feed constraints in 125 ms returned sat
[2025-06-02 10:31:33] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 144 ms.
[2025-06-02 10:31:33] [INFO ] Added : 13 causal constraints over 4 iterations in 563 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 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Graph (complete) has 2185 edges and 445 vertex of which 442 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 442 transition count 1268
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 438 transition count 1260
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 438 transition count 1260
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 18 place count 438 transition count 1256
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 20 place count 436 transition count 1250
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 436 transition count 1250
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 434 transition count 1246
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 434 transition count 1246
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 28 place count 432 transition count 1240
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 432 transition count 1240
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 430 transition count 1236
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 430 transition count 1236
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 428 transition count 1232
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 428 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 426 transition count 1228
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 424 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 47 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 48 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 49 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 50 place count 422 transition count 1220
Applied a total of 50 rules in 488 ms. Remains 422 /445 variables (removed 23) and now considering 1220/1273 (removed 53) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 489 ms. Remains : 422/445 places, 1220/1273 transitions.
[2025-06-02 10:31:34] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 10:31:34] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2025-06-02 10:31:34] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3811 ms. (262 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 927 ms. (1077 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[219] Max Struct:[+inf]
[2025-06-02 10:31:39] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:31:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:31:39] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:31:40] [INFO ] [Real]Absence check using state equation in 239 ms returned sat
[2025-06-02 10:31:40] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:31:40] [INFO ] [Real]Added 75 Read/Feed constraints in 43 ms returned sat
[2025-06-02 10:31:40] [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 10:31:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:31:40] [INFO ] [Nat]Absence check using state equation in 312 ms returned sat
[2025-06-02 10:31:40] [INFO ] [Nat]Added 75 Read/Feed constraints in 74 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:31:41] [INFO ] Deduced a trap composed of 70 places in 690 ms of which 71 ms to minimize.
[2025-06-02 10:31:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 768 ms
[2025-06-02 10:31:41] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 145 ms.
[2025-06-02 10:31:41] [INFO ] Added : 11 causal constraints over 4 iterations in 511 ms. Result :sat
Minimization took 491 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 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 109 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 109 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 96 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 10:31:42] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:31:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:31:43] [INFO ] Implicit Places using invariants in 835 ms returned []
[2025-06-02 10:31:43] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:31:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:31:43] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:31:45] [INFO ] Implicit Places using invariants and state equation in 2521 ms returned []
Implicit Place search using SMT with State Equation took 3357 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:31:46] [INFO ] Redundant transitions in 29 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 10:31:46] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:31:46] [INFO ] Invariant cache hit.
[2025-06-02 10:31:46] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 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 10:32:07] [INFO ] Deduced a trap composed of 131 places in 399 ms of which 12 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 30035 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: ((s0 0)
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(s241 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 30038 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 62365ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62368ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65857 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 10:32:48] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 132 ms. (steps per millisecond=75 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[219] Max Struct:[+inf]
[2025-06-02 10:32:49] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:32:49] [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 3988 ms. (250 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 998 ms. (1001 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[219] Max Struct:[+inf]
[2025-06-02 10:32:54] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:32:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:32:54] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:32:54] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2025-06-02 10:32:54] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:32:54] [INFO ] [Real]Added 75 Read/Feed constraints in 75 ms returned sat
[2025-06-02 10:32:54] [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 10:32:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:32:55] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-02 10:32:55] [INFO ] [Nat]Added 75 Read/Feed constraints in 80 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:32:55] [INFO ] Deduced a trap composed of 70 places in 676 ms of which 58 ms to minimize.
[2025-06-02 10:32:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 740 ms
[2025-06-02 10:32:55] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 90 ms.
[2025-06-02 10:32:56] [INFO ] Added : 11 causal constraints over 4 iterations in 329 ms. Result :sat
Minimization took 434 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 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 100 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 100 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 98 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 10:32:56] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:32:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:32:57] [INFO ] Implicit Places using invariants in 937 ms returned []
[2025-06-02 10:32:57] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:32:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:32:58] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:33:00] [INFO ] Implicit Places using invariants and state equation in 2355 ms returned []
Implicit Place search using SMT with State Equation took 3293 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:33:00] [INFO ] Redundant transitions in 29 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 10:33:00] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:33:00] [INFO ] Invariant cache hit.
[2025-06-02 10:33:00] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 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 10:33:22] [INFO ] Deduced a trap composed of 131 places in 291 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 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 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 30037 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 62517ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 62519ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65947 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-02 10:34:02] [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 130 ms. (steps per millisecond=76 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[219] Max Struct:[+inf]
[2025-06-02 10:34:03] [INFO ] Flatten gal took : 84 ms
RANDOM walk for 40002 steps (8 resets) in 402 ms. (99 steps per ms) remains 1/1 properties
[2025-06-02 10:34:03] [INFO ] Flatten gal took : 68 ms
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
[2025-06-02 10:34:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1367544262109766293.gal : 29 ms
[2025-06-02 10:34:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1199751056216027.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/ReachabilityCardinality1367544262109766293.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1199751056216027.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 ...325
Loading property file /tmp/ReachabilityCardinality1199751056216027.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24463e+06
Interrupted probabilistic random walk after 320420 steps, run timeout after 3018 ms. (steps per millisecond=106 ) properties seen :0 out of 1
Probabilistic random walk after 320420 steps, saw 196486 distinct states, run finished after 3018 ms. (steps per millisecond=106 ) properties seen :0
[2025-06-02 10:34:06] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:34:06] [INFO ] Invariant cache hit.
[2025-06-02 10:34:06] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 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 495 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 584 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 1090ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1972 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 70 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 422/422 places, 1220/1220 transitions.
RANDOM walk for 40001 steps (8 resets) in 365 ms. (109 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24463e+06 after 3.74365e+10
Interrupted probabilistic random walk after 343520 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 1
Probabilistic random walk after 343520 steps, saw 210652 distinct states, run finished after 3001 ms. (steps per millisecond=114 ) properties seen :0
[2025-06-02 10:34:12] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:34:12] [INFO ] Invariant cache hit.
[2025-06-02 10:34:12] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
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 487 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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 1064ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2057 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 80 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 80 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 81 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-02 10:34:16] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:34:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:34:16] [INFO ] Implicit Places using invariants in 482 ms returned []
[2025-06-02 10:34:16] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:34:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:34:16] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:34:19] [INFO ] Implicit Places using invariants and state equation in 2505 ms returned []
Implicit Place search using SMT with State Equation took 2989 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:34:19] [INFO ] Redundant transitions in 31 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-02 10:34:19] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-02 10:34:19] [INFO ] Invariant cache hit.
[2025-06-02 10:34:19] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/422 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 10:34:35] [INFO ] Deduced a trap composed of 131 places in 210 ms of which 7 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74365e+10 after 5.12697e+17
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 Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30025 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
Detected timeout of ITS tools.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2025-06-02 10:34:53] [INFO ] Flatten gal took : 40 ms
[2025-06-02 10:34:53] [INFO ] Applying decomposition
[2025-06-02 10:34:53] [INFO ] Flatten gal took : 38 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/graph11243695874750832141.txt' '-o' '/tmp/graph11243695874750832141.bin' '-w' '/tmp/graph11243695874750832141.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11243695874750832141.bin' '-l' '-1' '-v' '-w' '/tmp/graph11243695874750832141.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:34:53] [INFO ] Decomposing Gal with order
[2025-06-02 10:34:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:34:54] [INFO ] Removed a total of 2083 redundant transitions.
[2025-06-02 10:34:54] [INFO ] Flatten gal took : 145 ms
[2025-06-02 10:34:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 880 labels/synchronizations in 38 ms.
[2025-06-02 10:34:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10808121641956250264.gal : 8 ms
[2025-06-02 10:34:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1987135775582004026.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/ReachabilityCardinality10808121641956250264.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1987135775582004026.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/ReachabilityCardinality1987135775582004026.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1111 variables, 75/501 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1719 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30942 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63299ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 63302ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66412 ms. Remains : 422/422 places, 1220/1220 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 531 transitions
Reduce isomorphic transitions removed 531 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 541 rules applied. Total rules applied 541 place count 422 transition count 679
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 551 place count 412 transition count 679
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 551 place count 412 transition count 606
Deduced a syphon composed of 73 places in 1 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 697 place count 339 transition count 606
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 951 place count 212 transition count 479
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1015 place count 148 transition count 351
Iterating global reduction 2 with 64 rules applied. Total rules applied 1079 place count 148 transition count 351
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1080 place count 148 transition count 350
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1143 place count 85 transition count 224
Iterating global reduction 3 with 63 rules applied. Total rules applied 1206 place count 85 transition count 224
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1269 place count 22 transition count 98
Iterating global reduction 3 with 63 rules applied. Total rules applied 1332 place count 22 transition count 98
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1395 place count 22 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1395 place count 22 transition count 34
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1397 place count 21 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1399 place count 20 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 19 transition count 33
Applied a total of 1401 rules in 60 ms. Remains 19 /422 variables (removed 403) and now considering 33/1220 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 19 cols
[2025-06-02 10:35:22] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 10:35:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:35:22] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 10:35:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 10:35:22] [INFO ] After 6ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 10:35:22] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 10:35:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:35:22] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 10:35:22] [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 10:35:22] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:35:22] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:35:22] [INFO ] Flatten gal took : 3 ms
[2025-06-02 10:35:22] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:35:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10234197478957915260.gal : 0 ms
[2025-06-02 10:35:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11876930765943262409.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/ReachabilityCardinality10234197478957915260.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11876930765943262409.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/ReachabilityCardinality11876930765943262409.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :48 after 1139
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1139 after 31467
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :31467 after 84507
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :84507 after 189771
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :189771 after 399483
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :399483 after 818091
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :818091 after 1.65449e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.65449e+06 after 3.32648e+06
Detected timeout of ITS tools.
[2025-06-02 10:35:37] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:35:37] [INFO ] Applying decomposition
[2025-06-02 10:35:37] [INFO ] Flatten gal took : 2 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/graph5481367222939854650.txt' '-o' '/tmp/graph5481367222939854650.bin' '-w' '/tmp/graph5481367222939854650.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5481367222939854650.bin' '-l' '-1' '-v' '-w' '/tmp/graph5481367222939854650.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:35:37] [INFO ] Decomposing Gal with order
[2025-06-02 10:35:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:35:37] [INFO ] Removed a total of 36 redundant transitions.
[2025-06-02 10:35:37] [INFO ] Flatten gal took : 3 ms
[2025-06-02 10:35:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-02 10:35:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15744873501842087036.gal : 1 ms
[2025-06-02 10:35:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3036367303474228519.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/ReachabilityCardinality15744873501842087036.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3036367303474228519.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/ReachabilityCardinality3036367303474228519.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30247 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[219] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c016-UpperBounds-07 in 261104 ms.
Starting property specific reduction for FunctionPointer-PT-c016-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:35:52] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
// Phase 1: matrix 728 rows 445 cols
[2025-06-02 10:35:52] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 38 ms. (256 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:35:52] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:35:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:35:52] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:35:53] [INFO ] [Real]Absence check using state equation in 407 ms returned sat
[2025-06-02 10:35:53] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:35:53] [INFO ] [Real]Added 86 Read/Feed constraints in 64 ms returned sat
[2025-06-02 10:35:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:35:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:35:53] [INFO ] [Nat]Absence check using state equation in 367 ms returned sat
[2025-06-02 10:35:53] [INFO ] [Nat]Added 86 Read/Feed constraints in 78 ms returned sat
[2025-06-02 10:35:54] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 158 ms.
[2025-06-02 10:35:54] [INFO ] Added : 5 causal constraints over 2 iterations in 395 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 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 440 transition count 1263
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 440 transition count 1263
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 14 place count 440 transition count 1259
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 17 place count 437 transition count 1251
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 437 transition count 1251
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 23 place count 434 transition count 1243
Iterating global reduction 1 with 3 rules applied. Total rules applied 26 place count 434 transition count 1243
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 29 place count 431 transition count 1235
Iterating global reduction 1 with 3 rules applied. Total rules applied 32 place count 431 transition count 1235
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 35 place count 428 transition count 1229
Iterating global reduction 1 with 3 rules applied. Total rules applied 38 place count 428 transition count 1229
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 41 place count 425 transition count 1223
Iterating global reduction 1 with 3 rules applied. Total rules applied 44 place count 425 transition count 1223
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 47 place count 422 transition count 1217
Iterating global reduction 1 with 3 rules applied. Total rules applied 50 place count 422 transition count 1217
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 53 place count 419 transition count 1211
Iterating global reduction 1 with 3 rules applied. Total rules applied 56 place count 419 transition count 1211
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 58 place count 417 transition count 1207
Iterating global reduction 1 with 2 rules applied. Total rules applied 60 place count 417 transition count 1207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 61 place count 416 transition count 1205
Iterating global reduction 1 with 1 rules applied. Total rules applied 62 place count 416 transition count 1205
Applied a total of 62 rules in 268 ms. Remains 416 /445 variables (removed 29) and now considering 1205/1273 (removed 68) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 269 ms. Remains : 416/445 places, 1205/1273 transitions.
[2025-06-02 10:35:55] [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 137 ms. (steps per millisecond=72 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:35:55] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
// Phase 1: matrix 680 rows 416 cols
[2025-06-02 10:35:55] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3699 ms. (270 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 873 ms. (1144 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-02 10:36:00] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:36:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:36:00] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:36:00] [INFO ] [Real]Absence check using state equation in 229 ms returned sat
[2025-06-02 10:36:00] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:36:00] [INFO ] [Real]Added 75 Read/Feed constraints in 33 ms returned sat
[2025-06-02 10:36:00] [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 10:36:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:36:01] [INFO ] [Nat]Absence check using state equation in 363 ms returned sat
[2025-06-02 10:36:01] [INFO ] [Nat]Added 75 Read/Feed constraints in 98 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:36:02] [INFO ] Deduced a trap composed of 69 places in 623 ms of which 51 ms to minimize.
[2025-06-02 10:36:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 707 ms
[2025-06-02 10:36:02] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 143 ms.
[2025-06-02 10:36:02] [INFO ] Added : 3 causal constraints over 1 iterations in 310 ms. Result :sat
Minimization took 567 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] 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 94 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-02 10:36:03] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:36:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:36:04] [INFO ] Implicit Places using invariants in 899 ms returned []
[2025-06-02 10:36:04] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:36:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:36:04] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:36:07] [INFO ] Implicit Places using invariants and state equation in 2882 ms returned []
Implicit Place search using SMT with State Equation took 3783 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:36:07] [INFO ] Redundant transitions in 28 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-02 10:36:07] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:36:07] [INFO ] Invariant cache hit.
[2025-06-02 10:36:07] [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 10:36:28] [INFO ] Deduced a trap composed of 131 places in 414 ms of which 12 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 30033 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
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 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30034 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 62118ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62120ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66033 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-02 10:37:09] [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 129 ms. (steps per millisecond=77 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-06-02 10:37:09] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:37:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 3932 ms. (254 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 945 ms. (1057 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2025-06-02 10:37:14] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:37:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:37:14] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 10:37:15] [INFO ] [Real]Absence check using state equation in 348 ms returned sat
[2025-06-02 10:37:15] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:37:15] [INFO ] [Real]Added 75 Read/Feed constraints in 53 ms returned sat
[2025-06-02 10:37:15] [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 10:37:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 10:37:15] [INFO ] [Nat]Absence check using state equation in 331 ms returned sat
[2025-06-02 10:37:16] [INFO ] [Nat]Added 75 Read/Feed constraints in 110 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:16] [INFO ] Deduced a trap composed of 69 places in 618 ms of which 51 ms to minimize.
[2025-06-02 10:37:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 699 ms
[2025-06-02 10:37:16] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 161 ms.
[2025-06-02 10:37:17] [INFO ] Added : 5 causal constraints over 2 iterations in 434 ms. Result :sat
Minimization took 543 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:[16] 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 103 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 104 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 97 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-02 10:37:18] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:37:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:37:18] [INFO ] Implicit Places using invariants in 858 ms returned []
[2025-06-02 10:37:18] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:37:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:37:19] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:37:21] [INFO ] Implicit Places using invariants and state equation in 2755 ms returned []
Implicit Place search using SMT with State Equation took 3614 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:37:21] [INFO ] Redundant transitions in 28 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-02 10:37:21] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:37:21] [INFO ] Invariant cache hit.
[2025-06-02 10:37:21] [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 10:37:43] [INFO ] Deduced a trap composed of 131 places in 404 ms of which 12 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 30034 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 30035 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 62173ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62175ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65920 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-02 10:38:23] [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 129 ms. (steps per millisecond=77 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2025-06-02 10:38:24] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:38:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4011 ms. (249 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 896 ms. (1114 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2025-06-02 10:38:29] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:38:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:38:29] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:38:29] [INFO ] [Real]Absence check using state equation in 247 ms returned sat
[2025-06-02 10:38:29] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:38:29] [INFO ] [Real]Added 75 Read/Feed constraints in 69 ms returned sat
[2025-06-02 10:38:29] [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 10:38:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-02 10:38:30] [INFO ] [Nat]Absence check using state equation in 401 ms returned sat
[2025-06-02 10:38:30] [INFO ] [Nat]Added 75 Read/Feed constraints in 114 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:38:31] [INFO ] Deduced a trap composed of 69 places in 696 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:38:31] [INFO ] Deduced a trap composed of 131 places in 488 ms of which 14 ms to minimize.
[2025-06-02 10:38:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1314 ms
[2025-06-02 10:38:32] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 136 ms.
[2025-06-02 10:38:32] [INFO ] Added : 4 causal constraints over 1 iterations in 299 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] 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 98 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 99 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 10:38:32] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:38:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:33] [INFO ] Implicit Places using invariants in 907 ms returned []
[2025-06-02 10:38:33] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:38:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:38:36] [INFO ] Implicit Places using invariants and state equation in 2875 ms returned []
Implicit Place search using SMT with State Equation took 3784 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:38:36] [INFO ] Redundant transitions in 29 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-02 10:38:36] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:38:36] [INFO ] Invariant cache hit.
[2025-06-02 10:38:36] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 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 10:38:59] [INFO ] Deduced a trap composed of 131 places in 248 ms of which 8 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
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 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30044 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 62105ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62107ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66023 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-02 10:39:38] [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 131 ms. (steps per millisecond=76 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2025-06-02 10:39:39] [INFO ] Flatten gal took : 81 ms
RANDOM walk for 40004 steps (8 resets) in 329 ms. (121 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
[2025-06-02 10:39:39] [INFO ] Flatten gal took : 85 ms
[2025-06-02 10:39:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8876687926707004034.gal : 11 ms
[2025-06-02 10:39:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality892610850402756008.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/ReachabilityCardinality8876687926707004034.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality892610850402756008.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality892610850402756008.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24463e+06
Interrupted probabilistic random walk after 343258 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 1
Probabilistic random walk after 343258 steps, saw 210491 distinct states, run finished after 3001 ms. (steps per millisecond=114 ) properties seen :0
[2025-06-02 10:39:42] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:39:42] [INFO ] Invariant cache hit.
[2025-06-02 10:39:42] [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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/348 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/354 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/354 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 598/952 variables, 333/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/952 variables, 74/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1082 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1082 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1090 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1090 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1096 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1096 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (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 490 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/348 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/354 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/354 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 598/952 variables, 333/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/952 variables, 74/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/952 variables, 1/420 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 10:39:43] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/952 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1014 variables, 1/422 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 10:39:44] [INFO ] Deduced a trap composed of 131 places in 298 ms of which 9 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1014 variables, 1/423 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/423 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1082 variables, 66/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1090 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1090 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1096 variables, 4/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1096 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1096 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1096/1096 variables, and 497 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1065 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: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1563ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 87 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 55 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 55 ms. Remains : 416/416 places, 1205/1205 transitions.
RANDOM walk for 40009 steps (8 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24463e+06 after 3.74365e+10
Interrupted probabilistic random walk after 379404 steps, run timeout after 3001 ms. (steps per millisecond=126 ) properties seen :0 out of 1
Probabilistic random walk after 379404 steps, saw 232654 distinct states, run finished after 3001 ms. (steps per millisecond=126 ) properties seen :0
[2025-06-02 10:39:47] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:39:47] [INFO ] Invariant cache hit.
[2025-06-02 10:39:47] [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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/348 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/354 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/354 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 598/952 variables, 333/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/952 variables, 74/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1082 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1082 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1090 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1090 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1096 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1096 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (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 489 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/348 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/354 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/354 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 598/952 variables, 333/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/952 variables, 74/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/952 variables, 1/420 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 10:39:48] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/952 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1014 variables, 1/422 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 10:39:48] [INFO ] Deduced a trap composed of 131 places in 298 ms of which 9 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1014 variables, 1/423 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/423 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1082 variables, 66/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1090 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1090 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1096 variables, 4/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1096 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1096 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1096/1096 variables, and 497 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1069 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: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1570ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 79 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 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 55 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-02 10:39:49] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:39:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:39:49] [INFO ] Implicit Places using invariants in 600 ms returned []
[2025-06-02 10:39:49] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:39:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:39:50] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:39:52] [INFO ] Implicit Places using invariants and state equation in 2548 ms returned []
Implicit Place search using SMT with State Equation took 3150 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:39:52] [INFO ] Redundant transitions in 29 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-02 10:39:52] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-02 10:39:52] [INFO ] Invariant cache hit.
[2025-06-02 10:39:52] [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 10:40:07] [INFO ] Deduced a trap composed of 131 places in 223 ms of which 7 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74365e+10 after 5.12697e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Detected timeout of ITS tools.
[2025-06-02 10:40:29] [INFO ] Flatten gal took : 38 ms
[2025-06-02 10:40:29] [INFO ] Applying decomposition
[2025-06-02 10:40:29] [INFO ] Flatten gal took : 35 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/graph6916249072752054241.txt' '-o' '/tmp/graph6916249072752054241.bin' '-w' '/tmp/graph6916249072752054241.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6916249072752054241.bin' '-l' '-1' '-v' '-w' '/tmp/graph6916249072752054241.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:40:30] [INFO ] Decomposing Gal with order
[2025-06-02 10:40:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:40:30] [INFO ] Removed a total of 2060 redundant transitions.
[2025-06-02 10:40:30] [INFO ] Flatten gal took : 78 ms
[2025-06-02 10:40:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 866 labels/synchronizations in 54 ms.
[2025-06-02 10:40:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16597456546320907986.gal : 16 ms
[2025-06-02 10:40:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13991782493695611160.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/ReachabilityCardinality16597456546320907986.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13991782493695611160.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/ReachabilityCardinality13991782493695611160.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 3 (OVERLAPS) 680/1096 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
SMT process timed out in 62180ms, After SMT, problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62182ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65428 ms. Remains : 416/416 places, 1205/1205 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 525 transitions
Reduce isomorphic transitions removed 525 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 416 transition count 669
Reduce places removed 11 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 12 rules applied. Total rules applied 548 place count 405 transition count 668
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 549 place count 404 transition count 668
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 68 Pre rules applied. Total rules applied 549 place count 404 transition count 600
Deduced a syphon composed of 68 places in 1 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 3 with 136 rules applied. Total rules applied 685 place count 336 transition count 600
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 3 with 254 rules applied. Total rules applied 939 place count 209 transition count 473
Discarding 64 places :
Symmetric choice reduction at 3 with 64 rule applications. Total rules 1003 place count 145 transition count 345
Iterating global reduction 3 with 64 rules applied. Total rules applied 1067 place count 145 transition count 345
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1068 place count 145 transition count 344
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1068 place count 145 transition count 343
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 1070 place count 144 transition count 343
Discarding 63 places :
Symmetric choice reduction at 4 with 63 rule applications. Total rules 1133 place count 81 transition count 217
Iterating global reduction 4 with 63 rules applied. Total rules applied 1196 place count 81 transition count 217
Discarding 63 places :
Symmetric choice reduction at 4 with 63 rule applications. Total rules 1259 place count 18 transition count 91
Iterating global reduction 4 with 63 rules applied. Total rules applied 1322 place count 18 transition count 91
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 4 with 63 rules applied. Total rules applied 1385 place count 18 transition count 28
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 1385 place count 18 transition count 27
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1387 place count 17 transition count 27
Applied a total of 1387 rules in 79 ms. Remains 17 /416 variables (removed 399) and now considering 27/1205 (removed 1178) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 27 rows 17 cols
[2025-06-02 10:40:54] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 10:40:54] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:40:54] [INFO ] After 34ms 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 10:40:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:40:54] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 10:40:54] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 10:40:54] [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 10:40:54] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:40:54] [INFO ] After 45ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:40:54] [INFO ] Flatten gal took : 3 ms
[2025-06-02 10:40:54] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:40:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17797958538456792547.gal : 0 ms
[2025-06-02 10:40:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7448279103711105524.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/ReachabilityCardinality17797958538456792547.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7448279103711105524.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/ReachabilityCardinality7448279103711105524.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :48 after 578
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :578 after 3858
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3858 after 198387
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :198387 after 619443
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :619443 after 1.45829e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.45829e+06 after 3.13272e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.13272e+06 after 6.47832e+06
Detected timeout of ITS tools.
[2025-06-02 10:41:09] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:41:09] [INFO ] Applying decomposition
[2025-06-02 10:41:09] [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/graph10406092159985730085.txt' '-o' '/tmp/graph10406092159985730085.bin' '-w' '/tmp/graph10406092159985730085.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10406092159985730085.bin' '-l' '-1' '-v' '-w' '/tmp/graph10406092159985730085.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:41:09] [INFO ] Decomposing Gal with order
[2025-06-02 10:41:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:41:09] [INFO ] Removed a total of 20 redundant transitions.
[2025-06-02 10:41:09] [INFO ] Flatten gal took : 2 ms
[2025-06-02 10:41:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 10:41:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9231476652395213528.gal : 1 ms
[2025-06-02 10:41:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13136851092775798645.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/ReachabilityCardinality9231476652395213528.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13136851092775798645.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/ReachabilityCardinality13136851092775798645.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :48 after 578
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :578 after 9060
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30225 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[16] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c016-UpperBounds-11 in 332191 ms.
Starting property specific reduction for FunctionPointer-PT-c016-UpperBounds-12
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 10:41:24] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
// Phase 1: matrix 728 rows 445 cols
[2025-06-02 10:41:24] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:41:24] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:41:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:41:25] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:41:25] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-06-02 10:41:25] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:41:25] [INFO ] [Real]Added 86 Read/Feed constraints in 42 ms returned sat
[2025-06-02 10:41:25] [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 10:41:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 10:41:25] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
[2025-06-02 10:41:25] [INFO ] [Nat]Added 86 Read/Feed constraints in 44 ms returned sat
[2025-06-02 10:41:25] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 109 ms.
[2025-06-02 10:41:26] [INFO ] Added : 5 causal constraints over 3 iterations in 389 ms. Result :sat
Minimization took 496 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Graph (complete) has 2185 edges and 445 vertex of which 442 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 442 transition count 1268
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 438 transition count 1260
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 438 transition count 1260
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 18 place count 438 transition count 1256
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 21 place count 435 transition count 1248
Iterating global reduction 2 with 3 rules applied. Total rules applied 24 place count 435 transition count 1248
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 27 place count 432 transition count 1240
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 432 transition count 1240
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 429 transition count 1232
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 429 transition count 1232
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 426 transition count 1226
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 426 transition count 1226
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 423 transition count 1220
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 423 transition count 1220
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 420 transition count 1214
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 420 transition count 1214
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 57 place count 417 transition count 1208
Iterating global reduction 2 with 3 rules applied. Total rules applied 60 place count 417 transition count 1208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 62 place count 415 transition count 1204
Iterating global reduction 2 with 2 rules applied. Total rules applied 64 place count 415 transition count 1204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 65 place count 414 transition count 1202
Iterating global reduction 2 with 1 rules applied. Total rules applied 66 place count 414 transition count 1202
Applied a total of 66 rules in 304 ms. Remains 414 /445 variables (removed 31) and now considering 1202/1273 (removed 71) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 305 ms. Remains : 414/445 places, 1202/1273 transitions.
[2025-06-02 10:41:27] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 125 ms. (steps per millisecond=80 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-02 10:41:27] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
// Phase 1: matrix 678 rows 414 cols
[2025-06-02 10:41:27] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3816 ms. (261 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 900 ms. (1109 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1810] Max Struct:[+inf]
[2025-06-02 10:41:32] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:41:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:41:32] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:41:32] [INFO ] [Real]Absence check using state equation in 231 ms returned sat
[2025-06-02 10:41:32] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:41:32] [INFO ] [Real]Added 74 Read/Feed constraints in 45 ms returned sat
[2025-06-02 10:41:32] [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 10:41:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:41:33] [INFO ] [Nat]Absence check using state equation in 354 ms returned sat
[2025-06-02 10:41:33] [INFO ] [Nat]Added 74 Read/Feed constraints in 65 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:41:33] [INFO ] Deduced a trap composed of 70 places in 618 ms of which 59 ms to minimize.
[2025-06-02 10:41:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 713 ms
[2025-06-02 10:41:34] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 145 ms.
[2025-06-02 10:41:34] [INFO ] Added : 7 causal constraints over 4 iterations in 838 ms. Result :sat
Minimization took 471 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1810] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1812] Max Struct:[+inf]
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 63 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 61 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2025-06-02 10:41:42] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:41:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:43] [INFO ] Implicit Places using invariants in 690 ms returned []
[2025-06-02 10:41:43] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:41:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:44] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:41:46] [INFO ] Implicit Places using invariants and state equation in 3046 ms returned []
Implicit Place search using SMT with State Equation took 3743 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:41:46] [INFO ] Redundant transitions in 28 ms returned []
Running 1200 sub problems to find dead transitions.
[2025-06-02 10:41:46] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:41:46] [INFO ] Invariant cache hit.
[2025-06-02 10:41:46] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:42:08] [INFO ] Deduced a trap composed of 131 places in 419 ms of which 12 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 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 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 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62286ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 62289ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66131 ms. Remains : 414/414 places, 1202/1202 transitions.
[2025-06-02 10:42:49] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=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 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[1812] Max Struct:[+inf]
[2025-06-02 10:42:49] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:42:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1812] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3822 ms. (261 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 876 ms. (1140 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1812] Max Struct:[+inf]
[2025-06-02 10:42:54] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:42:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:42:54] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 10:42:54] [INFO ] [Real]Absence check using state equation in 333 ms returned sat
[2025-06-02 10:42:54] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:42:54] [INFO ] [Real]Added 74 Read/Feed constraints in 73 ms returned sat
[2025-06-02 10:42:54] [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 10:42:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-02 10:42:55] [INFO ] [Nat]Absence check using state equation in 314 ms returned sat
[2025-06-02 10:42:55] [INFO ] [Nat]Added 74 Read/Feed constraints in 59 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:42:55] [INFO ] Deduced a trap composed of 70 places in 571 ms of which 52 ms to minimize.
[2025-06-02 10:42:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 657 ms
[2025-06-02 10:42:56] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 125 ms.
[2025-06-02 10:42:56] [INFO ] Added : 7 causal constraints over 4 iterations in 790 ms. Result :sat
Minimization took 492 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1812] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1813] Max Struct:[+inf]
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 56 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 63 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2025-06-02 10:43:05] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:43:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:43:06] [INFO ] Implicit Places using invariants in 733 ms returned []
[2025-06-02 10:43:06] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:43:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:43:06] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:43:09] [INFO ] Implicit Places using invariants and state equation in 3354 ms returned []
Implicit Place search using SMT with State Equation took 4089 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:43:09] [INFO ] Redundant transitions in 28 ms returned []
Running 1200 sub problems to find dead transitions.
[2025-06-02 10:43:09] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:43:09] [INFO ] Invariant cache hit.
[2025-06-02 10:43:09] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:43:30] [INFO ] Deduced a trap composed of 131 places in 244 ms of which 8 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 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 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62658ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 62660ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66849 ms. Remains : 414/414 places, 1202/1202 transitions.
[2025-06-02 10:44:12] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=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 :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1813] Max Struct:[+inf]
[2025-06-02 10:44:12] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:44:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1813] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 4042 ms. (247 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1120 ms. (892 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1813] Max Struct:[+inf]
[2025-06-02 10:44:18] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:44:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:44:18] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 10:44:18] [INFO ] [Real]Absence check using state equation in 270 ms returned sat
[2025-06-02 10:44:18] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:44:18] [INFO ] [Real]Added 74 Read/Feed constraints in 47 ms returned sat
[2025-06-02 10:44:18] [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 10:44:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:44:18] [INFO ] [Nat]Absence check using state equation in 238 ms returned sat
[2025-06-02 10:44:18] [INFO ] [Nat]Added 74 Read/Feed constraints in 43 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:44:19] [INFO ] Deduced a trap composed of 70 places in 448 ms of which 36 ms to minimize.
[2025-06-02 10:44:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 511 ms
[2025-06-02 10:44:19] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 89 ms.
[2025-06-02 10:44:19] [INFO ] Added : 7 causal constraints over 4 iterations in 509 ms. Result :sat
Minimization took 322 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1813] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1815] Max Struct:[+inf]
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 57 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 55 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2025-06-02 10:44:27] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:44:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:44:27] [INFO ] Implicit Places using invariants in 786 ms returned []
[2025-06-02 10:44:27] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:44:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:44:28] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:44:31] [INFO ] Implicit Places using invariants and state equation in 3210 ms returned []
Implicit Place search using SMT with State Equation took 3999 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:44:31] [INFO ] Redundant transitions in 28 ms returned []
Running 1200 sub problems to find dead transitions.
[2025-06-02 10:44:31] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:44:31] [INFO ] Invariant cache hit.
[2025-06-02 10:44:31] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:44:53] [INFO ] Deduced a trap composed of 131 places in 391 ms of which 12 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 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62637ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 62640ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66731 ms. Remains : 414/414 places, 1202/1202 transitions.
[2025-06-02 10:45:33] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 134 ms. (steps per millisecond=74 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1815] Max Struct:[+inf]
[2025-06-02 10:45:34] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:45:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1815] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3761 ms. (265 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 895 ms. (1116 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1815] Max Struct:[+inf]
[2025-06-02 10:45:39] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:45:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:45:39] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:45:39] [INFO ] [Real]Absence check using state equation in 309 ms returned sat
[2025-06-02 10:45:39] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:45:39] [INFO ] [Real]Added 74 Read/Feed constraints in 76 ms returned sat
[2025-06-02 10:45:39] [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 10:45:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:45:40] [INFO ] [Nat]Absence check using state equation in 367 ms returned sat
[2025-06-02 10:45:40] [INFO ] [Nat]Added 74 Read/Feed constraints in 73 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:45:40] [INFO ] Deduced a trap composed of 70 places in 618 ms of which 36 ms to minimize.
[2025-06-02 10:45:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 695 ms
[2025-06-02 10:45:41] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 87 ms.
[2025-06-02 10:45:41] [INFO ] Added : 7 causal constraints over 4 iterations in 571 ms. Result :sat
Minimization took 487 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1815] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1815] Max Struct:[+inf]
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 57 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 84 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2025-06-02 10:45:49] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:45:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:45:49] [INFO ] Implicit Places using invariants in 793 ms returned []
[2025-06-02 10:45:49] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:45:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:45:50] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:45:53] [INFO ] Implicit Places using invariants and state equation in 3200 ms returned []
Implicit Place search using SMT with State Equation took 3995 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:45:53] [INFO ] Redundant transitions in 28 ms returned []
Running 1200 sub problems to find dead transitions.
[2025-06-02 10:45:53] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:45:53] [INFO ] Invariant cache hit.
[2025-06-02 10:45:53] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:46:15] [INFO ] Deduced a trap composed of 131 places in 409 ms of which 11 ms to minimize.
(s2 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 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 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62573ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 62576ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66692 ms. Remains : 414/414 places, 1202/1202 transitions.
[2025-06-02 10:46:55] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 127 ms. (steps per millisecond=78 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[1815] Max Struct:[+inf]
[2025-06-02 10:46:56] [INFO ] Flatten gal took : 51 ms
RANDOM walk for 40000 steps (8 resets) in 331 ms. (120 steps per ms) remains 1/1 properties
[2025-06-02 10:46:56] [INFO ] Flatten gal took : 53 ms
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
[2025-06-02 10:46:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality33449070565581112.gal : 55 ms
[2025-06-02 10:46:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3590512721388152433.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/ReachabilityCardinality33449070565581112.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3590512721388152433.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 ...326
Loading property file /tmp/ReachabilityCardinality3590512721388152433.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24463e+06
Interrupted probabilistic random walk after 321457 steps, run timeout after 3001 ms. (steps per millisecond=107 ) properties seen :0 out of 1
Probabilistic random walk after 321457 steps, saw 197123 distinct states, run finished after 3001 ms. (steps per millisecond=107 ) properties seen :0
[2025-06-02 10:46:59] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:46:59] [INFO ] Invariant cache hit.
[2025-06-02 10:46:59] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/347 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/353 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 596/949 variables, 333/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 74/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/949 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 62/1011 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1011 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 67/1078 variables, 65/483 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1078 variables, 0/483 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1086 variables, 4/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1086 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1092 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1092 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1092 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1092/1092 variables, and 491 constraints, problems are : Problem set: 0 solved, 1 unsolved in 488 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/347 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/353 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 596/949 variables, 333/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 74/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/949 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/949 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1011 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1011 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 67/1078 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1078 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1086 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1086 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1092 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1092 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1092 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1092/1092 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 641 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1138ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 59 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 414/414 places, 1202/1202 transitions.
RANDOM walk for 40002 steps (8 resets) in 286 ms. (139 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 374717 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :0 out of 1
Probabilistic random walk after 374717 steps, saw 229779 distinct states, run finished after 3001 ms. (steps per millisecond=124 ) properties seen :0
[2025-06-02 10:47:03] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:47:03] [INFO ] Invariant cache hit.
[2025-06-02 10:47:03] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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) 343/347 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/353 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 596/949 variables, 333/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 74/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/949 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 62/1011 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1011 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 67/1078 variables, 65/483 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1078 variables, 0/483 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1086 variables, 4/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1086 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1092 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1092 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1092 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1092/1092 variables, and 491 constraints, problems are : Problem set: 0 solved, 1 unsolved in 462 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/347 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24463e+06 after 3.74365e+10
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/353 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 596/949 variables, 333/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 74/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/949 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/949 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1011 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1011 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 67/1078 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1078 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1086 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1086 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1092 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1092 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1092 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1092/1092 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 592 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1062ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 72 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 57 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2025-06-02 10:47:04] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:47:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:47:05] [INFO ] Implicit Places using invariants in 578 ms returned []
[2025-06-02 10:47:05] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:47:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:47:05] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-02 10:47:08] [INFO ] Implicit Places using invariants and state equation in 3081 ms returned []
Implicit Place search using SMT with State Equation took 3660 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:47:08] [INFO ] Redundant transitions in 27 ms returned []
Running 1200 sub problems to find dead transitions.
[2025-06-02 10:47:08] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-02 10:47:08] [INFO ] Invariant cache hit.
[2025-06-02 10:47:08] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:47:22] [INFO ] Deduced a trap composed of 131 places in 232 ms of which 7 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74365e+10 after 5.12697e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Detected timeout of ITS tools.
[2025-06-02 10:47:46] [INFO ] Flatten gal took : 29 ms
[2025-06-02 10:47:46] [INFO ] Applying decomposition
[2025-06-02 10:47:46] [INFO ] Flatten gal took : 28 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4180259677893457182.txt' '-o' '/tmp/graph4180259677893457182.bin' '-w' '/tmp/graph4180259677893457182.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4180259677893457182.bin' '-l' '-1' '-v' '-w' '/tmp/graph4180259677893457182.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:47:46] [INFO ] Decomposing Gal with order
[2025-06-02 10:47:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:47:46] [INFO ] Removed a total of 2056 redundant transitions.
[2025-06-02 10:47:46] [INFO ] Flatten gal took : 93 ms
[2025-06-02 10:47:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 857 labels/synchronizations in 56 ms.
[2025-06-02 10:47:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14234492083735207819.gal : 11 ms
[2025-06-02 10:47:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6633944893109240479.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/ReachabilityCardinality14234492083735207819.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6633944893109240479.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/ReachabilityCardinality6633944893109240479.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/414 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 3 (OVERLAPS) 678/1092 variables, 414/418 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1092 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1092/1092 variables, and 1692 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30911 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62815ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 62817ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66570 ms. Remains : 414/414 places, 1202/1202 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 524 transitions
Reduce isomorphic transitions removed 524 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 534 rules applied. Total rules applied 534 place count 414 transition count 668
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 544 place count 404 transition count 668
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 68 Pre rules applied. Total rules applied 544 place count 404 transition count 600
Deduced a syphon composed of 68 places in 0 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 2 with 136 rules applied. Total rules applied 680 place count 336 transition count 600
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 936 place count 208 transition count 472
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1000 place count 144 transition count 344
Iterating global reduction 2 with 64 rules applied. Total rules applied 1064 place count 144 transition count 344
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1065 place count 144 transition count 343
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1065 place count 144 transition count 342
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1067 place count 143 transition count 342
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1130 place count 80 transition count 216
Iterating global reduction 3 with 63 rules applied. Total rules applied 1193 place count 80 transition count 216
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1256 place count 17 transition count 90
Iterating global reduction 3 with 63 rules applied. Total rules applied 1319 place count 17 transition count 90
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1382 place count 17 transition count 27
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1382 place count 17 transition count 26
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 1384 place count 16 transition count 26
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 1386 place count 16 transition count 24
Applied a total of 1386 rules in 28 ms. Remains 16 /414 variables (removed 398) and now considering 24/1202 (removed 1178) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 24 rows 16 cols
[2025-06-02 10:48:11] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 10:48:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:48:11] [INFO ] After 12ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 10:48:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 10:48:11] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 10:48:11] [INFO ] After 37ms 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 10:48:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:48:11] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 10:48:11] [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 10:48:11] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:48:11] [INFO ] After 44ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:48:11] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:48:11] [INFO ] Flatten gal took : 0 ms
[2025-06-02 10:48:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16702563391968425315.gal : 1 ms
[2025-06-02 10:48:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10646058910856434049.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/ReachabilityCardinality16702563391968425315.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10646058910856434049.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/ReachabilityCardinality10646058910856434049.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :48 after 578
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :578 after 3858
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3858 after 198387
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :198387 after 619443
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :619443 after 1.45829e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.45829e+06 after 3.13272e+06
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 1025 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,6.47832e+06,8.14152,120280,2,117,15,19087,6,0,88,11050,0
Total reachable state count : 6478323
Verifying 1 reachability properties.
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,3264,8.14213,120280,2,96,15,19087,7,0,91,11050,0
Over-approximation ignoring read arcs solved 0 properties in 8274 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:[1815] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c016-UpperBounds-12 in 414886 ms.
Starting property specific reduction for FunctionPointer-PT-c016-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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:48:19] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
// Phase 1: matrix 728 rows 445 cols
[2025-06-02 10:48:19] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:48:19] [INFO ] Flow matrix only has 728 transitions (discarded 545 similar events)
[2025-06-02 10:48:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:48:19] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:48:20] [INFO ] [Real]Absence check using state equation in 238 ms returned sat
[2025-06-02 10:48:20] [INFO ] State equation strengthened by 86 read => feed constraints.
[2025-06-02 10:48:20] [INFO ] [Real]Added 86 Read/Feed constraints in 31 ms returned sat
[2025-06-02 10:48:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 10:48:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 10:48:20] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-02 10:48:20] [INFO ] [Nat]Added 86 Read/Feed constraints in 66 ms returned sat
[2025-06-02 10:48:20] [INFO ] Computed and/alt/rep : 349/2323/342 causal constraints (skipped 384 transitions) in 115 ms.
[2025-06-02 10:48:21] [INFO ] Added : 23 causal constraints over 6 iterations in 475 ms. Result :sat
Minimization took 507 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 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 1273/1273 transitions.
Graph (complete) has 2185 edges and 445 vertex of which 442 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 442 transition count 1268
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 438 transition count 1260
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 438 transition count 1260
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 18 place count 438 transition count 1256
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 20 place count 436 transition count 1252
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 436 transition count 1252
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 434 transition count 1246
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 434 transition count 1246
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 28 place count 432 transition count 1240
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 432 transition count 1240
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 430 transition count 1236
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 430 transition count 1236
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 428 transition count 1232
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 428 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 426 transition count 1228
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 424 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 422 transition count 1220
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 421 transition count 1218
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 421 transition count 1218
Applied a total of 52 rules in 276 ms. Remains 421 /445 variables (removed 24) and now considering 1218/1273 (removed 55) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 277 ms. Remains : 421/445 places, 1218/1273 transitions.
[2025-06-02 10:48:22] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 133 ms. (steps per millisecond=75 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-02 10:48:22] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2025-06-02 10:48:22] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3825 ms. (261 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1315 ms. (759 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[490] Max Struct:[+inf]
[2025-06-02 10:48:27] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:48:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:48:27] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-02 10:48:28] [INFO ] [Real]Absence check using state equation in 310 ms returned sat
[2025-06-02 10:48:28] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:48:28] [INFO ] [Real]Added 75 Read/Feed constraints in 115 ms returned sat
[2025-06-02 10:48:28] [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 10:48:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-02 10:48:28] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-02 10:48:28] [INFO ] [Nat]Added 75 Read/Feed constraints in 97 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:48:29] [INFO ] Deduced a trap composed of 70 places in 618 ms of which 54 ms to minimize.
[2025-06-02 10:48:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 695 ms
[2025-06-02 10:48:29] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 171 ms.
[2025-06-02 10:48:30] [INFO ] Added : 11 causal constraints over 3 iterations in 471 ms. Result :sat
Minimization took 471 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[490] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[490] 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 121 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 121 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 102 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 10:48:30] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:48:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:48:31] [INFO ] Implicit Places using invariants in 895 ms returned []
[2025-06-02 10:48:31] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:48:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:48:32] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:48:34] [INFO ] Implicit Places using invariants and state equation in 2826 ms returned []
Implicit Place search using SMT with State Equation took 3721 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:48:34] [INFO ] Redundant transitions in 29 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 10:48:34] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:48:34] [INFO ] Invariant cache hit.
[2025-06-02 10:48:34] [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 10:48:55] [INFO ] Deduced a trap composed of 131 places in 243 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62524ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62534ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66393 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 10:49:37] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[490] Max Struct:[+inf]
[2025-06-02 10:49:37] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:49:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[490] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 4114 ms. (243 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 906 ms. (1102 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[490] Max Struct:[+inf]
[2025-06-02 10:49:42] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:49:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:49:42] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-02 10:49:43] [INFO ] [Real]Absence check using state equation in 248 ms returned sat
[2025-06-02 10:49:43] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:49:43] [INFO ] [Real]Added 75 Read/Feed constraints in 91 ms returned sat
[2025-06-02 10:49:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 10:49:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-02 10:49:43] [INFO ] [Nat]Absence check using state equation in 396 ms returned sat
[2025-06-02 10:49:43] [INFO ] [Nat]Added 75 Read/Feed constraints in 107 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:49:44] [INFO ] Deduced a trap composed of 70 places in 641 ms of which 53 ms to minimize.
[2025-06-02 10:49:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 723 ms
[2025-06-02 10:49:44] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 151 ms.
[2025-06-02 10:49:45] [INFO ] Added : 11 causal constraints over 3 iterations in 479 ms. Result :sat
Minimization took 503 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[490] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[490] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 99 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 99 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 10:49:45] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:49:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:49:46] [INFO ] Implicit Places using invariants in 922 ms returned []
[2025-06-02 10:49:46] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:49:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:49:47] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:49:49] [INFO ] Implicit Places using invariants and state equation in 3020 ms returned []
Implicit Place search using SMT with State Equation took 3944 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:49:49] [INFO ] Redundant transitions in 29 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 10:49:49] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:49:49] [INFO ] Invariant cache hit.
[2025-06-02 10:49:49] [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 10:50:11] [INFO ] Deduced a trap composed of 131 places in 276 ms of which 12 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62158ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 62160ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66239 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-02 10:50:52] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[490] Max Struct:[+inf]
[2025-06-02 10:50:52] [INFO ] Flatten gal took : 49 ms
[2025-06-02 10:50:52] [INFO ] Flatten gal took : 64 ms
RANDOM walk for 40008 steps (8 resets) in 386 ms. (103 steps per ms) remains 1/1 properties
[2025-06-02 10:50:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10823306973769576052.gal : 8 ms
[2025-06-02 10:50:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8396173582264966645.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/ReachabilityCardinality10823306973769576052.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8396173582264966645.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
BEST_FIRST walk for 40003 steps (8 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality8396173582264966645.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24463e+06
Interrupted probabilistic random walk after 329804 steps, run timeout after 3001 ms. (steps per millisecond=109 ) properties seen :0 out of 1
Probabilistic random walk after 329804 steps, saw 202241 distinct states, run finished after 3001 ms. (steps per millisecond=109 ) properties seen :0
[2025-06-02 10:50:55] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:50:55] [INFO ] Invariant cache hit.
[2025-06-02 10:50:55] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 483 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:50:56] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1109 variables, 0/501 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 10:50:56] [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 10:50:57] [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 10:50:57] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [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 10:50:57] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 22 (OVERLAPS) 0/1109 variables, 18/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1109 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1109 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 519 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1539 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 19/19 constraints]
After SMT, in 2038ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24463e+06 after 3.74365e+10
Parikh walk visited 0 properties in 4520 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 65 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 66 ms. Remains : 421/421 places, 1218/1218 transitions.
RANDOM walk for 40001 steps (8 resets) in 259 ms. (153 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 361244 steps, run timeout after 3001 ms. (steps per millisecond=120 ) properties seen :0 out of 1
Probabilistic random walk after 361244 steps, saw 221518 distinct states, run finished after 3001 ms. (steps per millisecond=120 ) properties seen :0
[2025-06-02 10:51:05] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:51:05] [INFO ] Invariant cache hit.
[2025-06-02 10:51:05] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 503 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:51:06] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1109 variables, 0/501 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 10:51:06] [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 10:51:06] [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 10:51:06] [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 10:51:06] [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 10:51:06] [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 10:51:06] [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 10:51:06] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:51:07] [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 10:51:07] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:51:07] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:51:07] [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 10:51:07] [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 10:51:07] [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 10:51:07] [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 10:51:07] [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 10:51:07] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:51:07] [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 10:51:07] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 22 (OVERLAPS) 0/1109 variables, 18/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1109 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1109 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 519 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1500 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 19/19 constraints]
After SMT, in 2013ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 4497 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 60 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 56 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-02 10:51:12] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:51:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:51:12] [INFO ] Implicit Places using invariants in 591 ms returned []
[2025-06-02 10:51:12] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:51:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:51:13] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-02 10:51:15] [INFO ] Implicit Places using invariants and state equation in 2668 ms returned []
Implicit Place search using SMT with State Equation took 3261 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:51:15] [INFO ] Redundant transitions in 28 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-02 10:51:15] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-02 10:51:15] [INFO ] Invariant cache hit.
[2025-06-02 10:51:15] [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 :3.74365e+10 after 5.12697e+17
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 10:51:30] [INFO ] Deduced a trap composed of 131 places in 233 ms of which 7 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Detected timeout of ITS tools.
[2025-06-02 10:51:42] [INFO ] Flatten gal took : 29 ms
[2025-06-02 10:51:42] [INFO ] Applying decomposition
[2025-06-02 10:51:42] [INFO ] Flatten gal took : 29 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5085684745798251589.txt' '-o' '/tmp/graph5085684745798251589.bin' '-w' '/tmp/graph5085684745798251589.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5085684745798251589.bin' '-l' '-1' '-v' '-w' '/tmp/graph5085684745798251589.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:51:43] [INFO ] Decomposing Gal with order
[2025-06-02 10:51:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:51:43] [INFO ] Removed a total of 2084 redundant transitions.
[2025-06-02 10:51:43] [INFO ] Flatten gal took : 62 ms
[2025-06-02 10:51:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 923 labels/synchronizations in 39 ms.
[2025-06-02 10:51:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11495620076132174243.gal : 8 ms
[2025-06-02 10:51:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14356614827889518314.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/ReachabilityCardinality11495620076132174243.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14356614827889518314.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/ReachabilityCardinality14356614827889518314.prop.
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
At refinement iteration 4 (INCLUDED_ONLY) 0/1109 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 1716 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30943 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63194ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 63197ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66549 ms. Remains : 421/421 places, 1218/1218 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 530 transitions
Reduce isomorphic transitions removed 530 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 540 rules applied. Total rules applied 540 place count 421 transition count 678
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 550 place count 411 transition count 678
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 550 place count 411 transition count 605
Deduced a syphon composed of 73 places in 1 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 696 place count 338 transition count 605
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 950 place count 211 transition count 478
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1014 place count 147 transition count 350
Iterating global reduction 2 with 64 rules applied. Total rules applied 1078 place count 147 transition count 350
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1079 place count 147 transition count 349
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1142 place count 84 transition count 223
Iterating global reduction 3 with 63 rules applied. Total rules applied 1205 place count 84 transition count 223
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1268 place count 21 transition count 97
Iterating global reduction 3 with 63 rules applied. Total rules applied 1331 place count 21 transition count 97
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1394 place count 21 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1394 place count 21 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1396 place count 20 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1398 place count 19 transition count 32
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1399 place count 19 transition count 31
Applied a total of 1399 rules in 30 ms. Remains 19 /421 variables (removed 402) and now considering 31/1218 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-02 10:52:18] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 10:52:18] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-02 10:52:18] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-02 10:52:18] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-02 10:52:18] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-02 10:52:18] [INFO ] After 40ms 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 10:52:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-02 10:52:18] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 10:52:18] [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 10:52:18] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:52:18] [INFO ] After 47ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 10:52:18] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:52:18] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:52:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6590346406882094976.gal : 0 ms
[2025-06-02 10:52:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6114495713128856300.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/ReachabilityCardinality6590346406882094976.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6114495713128856300.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/ReachabilityCardinality6114495713128856300.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :48 after 1139
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1139 after 31467
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :31467 after 84507
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :84507 after 189771
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :189771 after 399483
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :399483 after 818091
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :818091 after 1.65449e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.65449e+06 after 3.32648e+06
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2025-06-02 10:52:33] [INFO ] Flatten gal took : 1 ms
[2025-06-02 10:52:33] [INFO ] Applying decomposition
[2025-06-02 10:52:33] [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/graph4799810631744083217.txt' '-o' '/tmp/graph4799810631744083217.bin' '-w' '/tmp/graph4799810631744083217.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4799810631744083217.bin' '-l' '-1' '-v' '-w' '/tmp/graph4799810631744083217.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:52:33] [INFO ] Decomposing Gal with order
[2025-06-02 10:52:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:52:33] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-02 10:52:33] [INFO ] Flatten gal took : 3 ms
[2025-06-02 10:52:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2025-06-02 10:52:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16795685324862877087.gal : 1 ms
[2025-06-02 10:52:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1225454221721805837.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/ReachabilityCardinality16795685324862877087.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1225454221721805837.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/ReachabilityCardinality1225454221721805837.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 48
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30187 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[490] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c016-UpperBounds-14 in 269103 ms.
[2025-06-02 10:52:48] [INFO ] Flatten gal took : 50 ms
[2025-06-02 10:52:48] [INFO ] Applying decomposition
[2025-06-02 10:52:49] [INFO ] Flatten gal took : 51 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/graph14851785397968148374.txt' '-o' '/tmp/graph14851785397968148374.bin' '-w' '/tmp/graph14851785397968148374.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14851785397968148374.bin' '-l' '-1' '-v' '-w' '/tmp/graph14851785397968148374.weights' '-q' '0' '-e' '0.001'
[2025-06-02 10:52:49] [INFO ] Decomposing Gal with order
[2025-06-02 10:52:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 10:52:49] [INFO ] Removed a total of 2188 redundant transitions.
[2025-06-02 10:52:49] [INFO ] Flatten gal took : 115 ms
[2025-06-02 10:52:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 911 labels/synchronizations in 43 ms.
[2025-06-02 10:52:49] [INFO ] Time to serialize gal into /tmp/UpperBounds12135608451590663476.gal : 12 ms
[2025-06-02 10:52:49] [INFO ] Time to serialize properties into /tmp/UpperBounds4155495883278807322.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/UpperBounds12135608451590663476.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4155495883278807322.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/UpperBounds4155495883278807322.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-c016"
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-c016, 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-174867007400141"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c016.tgz
mv FunctionPointer-PT-c016 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 ;