About the Execution of 2024-gold for FunctionPointer-PT-c128
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 15682.580 | 3600000.00 | 4886125.00 | 12494.40 | 0 0 ? 0 0 ? 128 ? 1 ? ? 0 128 ? 1 128 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r111-smll-174867015800021.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 gold2024
Input is FunctionPointer-PT-c128, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-smll-174867015800021
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.2M May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c128-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748784051468
Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c128
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-06-01 13:20:53] [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]
[2025-06-01 13:20:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 13:20:54] [INFO ] Load time of PNML (sax parser for PT used): 849 ms
[2025-06-01 13:20:54] [INFO ] Transformed 2826 places.
[2025-06-01 13:20:54] [INFO ] Transformed 8960 transitions.
[2025-06-01 13:20:54] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1139 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Deduced a syphon composed of 1198 places in 52 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c128-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c128-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c128-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c128-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c128-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 13:20:54] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2025-06-01 13:20:54] [INFO ] Computed 4 invariants in 145 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, 128, +inf, 1, +inf, +inf, 128, +inf, 1, 128]
RANDOM walk for 10031 steps (2 resets) in 197 ms. (50 steps per ms)
FORMULA FunctionPointer-PT-c128-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100010 steps (37 resets) in 381 ms. (261 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 4, 0, 2, 2, 0, 0, 2] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
[2025-06-01 13:20:55] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2025-06-01 13:20:55] [INFO ] Invariant cache hit.
[2025-06-01 13:20:56] [INFO ] [Real]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-01 13:20:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:20:57] [INFO ] [Real]Absence check using state equation in 1593 ms returned sat
[2025-06-01 13:20:58] [INFO ] State equation strengthened by 479 read => feed constraints.
[2025-06-01 13:20:58] [INFO ] [Real]Added 479 Read/Feed constraints in 178 ms returned sat
[2025-06-01 13:20:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:20:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-01 13:20:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:00] [INFO ] [Nat]Absence check using state equation in 1376 ms returned sat
[2025-06-01 13:21:00] [INFO ] [Nat]Added 479 Read/Feed constraints in 217 ms returned sat
[2025-06-01 13:21:03] [INFO ] Deduced a trap composed of 142 places in 2665 ms of which 156 ms to minimize.
[2025-06-01 13:21:03] [INFO ] Trap strengthening (SAT) tested/added 1/1 trap constraints in 3082 ms
[2025-06-01 13:21:03] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 13:21:03] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:21:05] [INFO ] [Real]Absence check using state equation in 1501 ms returned sat
[2025-06-01 13:21:05] [INFO ] [Real]Added 479 Read/Feed constraints in 332 ms returned sat
[2025-06-01 13:21:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 26 ms returned sat
[2025-06-01 13:21:06] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:07] [INFO ] [Nat]Absence check using state equation in 1332 ms returned sat
[2025-06-01 13:21:07] [INFO ] [Nat]Added 479 Read/Feed constraints in 158 ms returned sat
[2025-06-01 13:21:08] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 959 ms.
[2025-06-01 13:21:09] [INFO ] Added : 1 causal constraints over 1 iterations in 1678 ms. Result :sat
Minimization took 617 ms.
[2025-06-01 13:21:10] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 13:21:10] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:11] [INFO ] [Real]Absence check using state equation in 1391 ms returned sat
[2025-06-01 13:21:12] [INFO ] [Real]Added 479 Read/Feed constraints in 233 ms returned sat
[2025-06-01 13:21:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 13:21:12] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:14] [INFO ] [Nat]Absence check using state equation in 1540 ms returned sat
[2025-06-01 13:21:14] [INFO ] [Nat]Added 479 Read/Feed constraints in 239 ms returned sat
[2025-06-01 13:21:15] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 607 ms.
[2025-06-01 13:21:15] [INFO ] Added : 2 causal constraints over 1 iterations in 1112 ms. Result :sat
Minimization took 637 ms.
[2025-06-01 13:21:16] [INFO ] [Real]Absence check using 3 positive place invariants in 18 ms returned sat
[2025-06-01 13:21:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:21:17] [INFO ] [Real]Absence check using state equation in 1167 ms returned sat
[2025-06-01 13:21:18] [INFO ] [Real]Added 479 Read/Feed constraints in 314 ms returned sat
[2025-06-01 13:21:18] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 13:21:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:20] [INFO ] [Nat]Absence check using state equation in 1445 ms returned sat
[2025-06-01 13:21:20] [INFO ] [Nat]Added 479 Read/Feed constraints in 353 ms returned sat
[2025-06-01 13:21:23] [INFO ] Deduced a trap composed of 134 places in 2986 ms of which 26 ms to minimize.
[2025-06-01 13:21:23] [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:299)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:868)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2251)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:910)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2025-06-01 13:21:24] [INFO ] [Real]Absence check using 3 positive place invariants in 30 ms returned sat
[2025-06-01 13:21:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:21:25] [INFO ] [Real]Absence check using state equation in 1303 ms returned sat
[2025-06-01 13:21:25] [INFO ] [Real]Added 479 Read/Feed constraints in 260 ms returned sat
[2025-06-01 13:21:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 13:21:26] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 13:21:27] [INFO ] [Nat]Absence check using state equation in 1317 ms returned sat
[2025-06-01 13:21:27] [INFO ] [Nat]Added 479 Read/Feed constraints in 234 ms returned sat
[2025-06-01 13:21:28] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 627 ms.
[2025-06-01 13:21:29] [INFO ] Added : 1 causal constraints over 1 iterations in 1109 ms. Result :sat
Minimization took 593 ms.
[2025-06-01 13:21:30] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 13:21:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 13:21:31] [INFO ] [Real]Absence check using state equation in 1501 ms returned sat
[2025-06-01 13:21:32] [INFO ] [Real]Added 479 Read/Feed constraints in 516 ms returned sat
[2025-06-01 13:21:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 13:21:32] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:33] [INFO ] [Nat]Absence check using state equation in 1182 ms returned sat
[2025-06-01 13:21:34] [INFO ] [Nat]Added 479 Read/Feed constraints in 246 ms returned sat
[2025-06-01 13:21:36] [INFO ] Deduced a trap composed of 142 places in 2127 ms of which 15 ms to minimize.
[2025-06-01 13:21:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 2407 ms
[2025-06-01 13:21:37] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 825 ms.
[2025-06-01 13:21:37] [INFO ] Added : 0 causal constraints over 0 iterations in 830 ms. Result :unknown
[2025-06-01 13:21:37] [INFO ] [Real]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-01 13:21:37] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:21:39] [INFO ] [Real]Absence check using state equation in 1281 ms returned sat
[2025-06-01 13:21:39] [INFO ] [Real]Added 479 Read/Feed constraints in 169 ms returned sat
[2025-06-01 13:21:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 13:21:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:41] [INFO ] [Nat]Absence check using state equation in 1377 ms returned sat
[2025-06-01 13:21:41] [INFO ] [Nat]Added 479 Read/Feed constraints in 190 ms returned sat
[2025-06-01 13:21:42] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 682 ms.
[2025-06-01 13:21:42] [INFO ] Added : 0 causal constraints over 0 iterations in 961 ms. Result :sat
Minimization took 598 ms.
[2025-06-01 13:21:43] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 13:21:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 13:21:44] [INFO ] [Real]Absence check using state equation in 1312 ms returned sat
[2025-06-01 13:21:45] [INFO ] [Real]Added 479 Read/Feed constraints in 310 ms returned sat
[2025-06-01 13:21:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 13:21:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:21:46] [INFO ] [Nat]Absence check using state equation in 1178 ms returned sat
[2025-06-01 13:21:46] [INFO ] [Nat]Added 479 Read/Feed constraints in 144 ms returned sat
[2025-06-01 13:21:47] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 618 ms.
[2025-06-01 13:21:50] [INFO ] Deduced a trap composed of 142 places in 2156 ms of which 16 ms to minimize.
[2025-06-01 13:21:50] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1128)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:875)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2251)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:910)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2025-06-01 13:21:50] [INFO ] [Real]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 13:21:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:52] [INFO ] [Real]Absence check using state equation in 1418 ms returned sat
[2025-06-01 13:21:52] [INFO ] [Real]Added 479 Read/Feed constraints in 270 ms returned sat
[2025-06-01 13:21:52] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 13:21:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:54] [INFO ] [Nat]Absence check using state equation in 1227 ms returned sat
[2025-06-01 13:21:54] [INFO ] [Nat]Added 479 Read/Feed constraints in 142 ms returned sat
[2025-06-01 13:21:54] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 529 ms.
[2025-06-01 13:21:55] [INFO ] Added : 2 causal constraints over 1 iterations in 947 ms. Result :sat
Minimization took 591 ms.
[2025-06-01 13:21:56] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 13:21:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:21:57] [INFO ] [Real]Absence check using state equation in 1175 ms returned sat
[2025-06-01 13:21:57] [INFO ] [Real]Added 479 Read/Feed constraints in 367 ms returned sat
[2025-06-01 13:21:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:21:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 13:21:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:21:59] [INFO ] [Nat]Absence check using state equation in 1403 ms returned sat
[2025-06-01 13:22:00] [INFO ] [Nat]Added 479 Read/Feed constraints in 588 ms returned sat
[2025-06-01 13:22:01] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 633 ms.
[2025-06-01 13:22:01] [INFO ] Added : 3 causal constraints over 1 iterations in 1118 ms. Result :sat
Minimization took 588 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 4, 0, 2, 2, 0, 0, 2] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 4, 0, 2, 2, 0, 0, 2] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
Support contains 10 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1422 are kept as prefixes of interest. Removing 206 places using SCC suffix rule.20 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 378 transitions
Reduce isomorphic transitions removed 378 transitions.
Iterating post reduction 0 with 378 rules applied. Total rules applied 379 place count 1422 transition count 5584
Discarding 299 places :
Symmetric choice reduction at 1 with 299 rule applications. Total rules 678 place count 1123 transition count 3304
Iterating global reduction 1 with 299 rules applied. Total rules applied 977 place count 1123 transition count 3304
Ensure Unique test removed 358 transitions
Reduce isomorphic transitions removed 358 transitions.
Iterating post reduction 1 with 358 rules applied. Total rules applied 1335 place count 1123 transition count 2946
Discarding 157 places :
Symmetric choice reduction at 2 with 157 rule applications. Total rules 1492 place count 966 transition count 2632
Iterating global reduction 2 with 157 rules applied. Total rules applied 1649 place count 966 transition count 2632
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Iterating post reduction 2 with 68 rules applied. Total rules applied 1717 place count 966 transition count 2564
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1731 place count 952 transition count 2536
Iterating global reduction 3 with 14 rules applied. Total rules applied 1745 place count 952 transition count 2536
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1759 place count 938 transition count 2508
Iterating global reduction 3 with 14 rules applied. Total rules applied 1773 place count 938 transition count 2508
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1787 place count 924 transition count 2480
Iterating global reduction 3 with 14 rules applied. Total rules applied 1801 place count 924 transition count 2480
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1815 place count 910 transition count 2452
Iterating global reduction 3 with 14 rules applied. Total rules applied 1829 place count 910 transition count 2452
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1843 place count 896 transition count 2424
Iterating global reduction 3 with 14 rules applied. Total rules applied 1857 place count 896 transition count 2424
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1871 place count 882 transition count 2396
Iterating global reduction 3 with 14 rules applied. Total rules applied 1885 place count 882 transition count 2396
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1899 place count 868 transition count 2368
Iterating global reduction 3 with 14 rules applied. Total rules applied 1913 place count 868 transition count 2368
Discarding 61 places :
Symmetric choice reduction at 3 with 61 rule applications. Total rules 1974 place count 807 transition count 2138
Iterating global reduction 3 with 61 rules applied. Total rules applied 2035 place count 807 transition count 2138
Discarding 61 places :
Symmetric choice reduction at 3 with 61 rule applications. Total rules 2096 place count 746 transition count 1894
Iterating global reduction 3 with 61 rules applied. Total rules applied 2157 place count 746 transition count 1894
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2217 place count 686 transition count 1760
Iterating global reduction 3 with 60 rules applied. Total rules applied 2277 place count 686 transition count 1760
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2337 place count 626 transition count 1640
Iterating global reduction 3 with 60 rules applied. Total rules applied 2397 place count 626 transition count 1640
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 2456 place count 567 transition count 1522
Iterating global reduction 3 with 59 rules applied. Total rules applied 2515 place count 567 transition count 1522
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 2574 place count 508 transition count 1404
Iterating global reduction 3 with 59 rules applied. Total rules applied 2633 place count 508 transition count 1404
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2690 place count 451 transition count 1290
Iterating global reduction 3 with 57 rules applied. Total rules applied 2747 place count 451 transition count 1290
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 2754 place count 444 transition count 1276
Iterating global reduction 3 with 7 rules applied. Total rules applied 2761 place count 444 transition count 1276
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 2767 place count 444 transition count 1270
Applied a total of 2767 rules in 1920 ms. Remains 444 /1628 variables (removed 1184) and now considering 1270/5962 (removed 4692) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1938 ms. Remains : 444/1628 places, 1270/5962 transitions.
[2025-06-01 13:22:04] [INFO ] Flow matrix only has 732 transitions (discarded 538 similar events)
Found an invariant !
This invariant on transitions {257=1, 367=1, 697=1, 731=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 363=1, 565=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 279 ms. (steps per millisecond=35 ) properties (out of 10) seen :[1, 2, 4, 2, 0, 2, 1, 3, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 2, 4, 4, 0, 2, 2, 3, 1, 3] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
[2025-06-01 13:22:05] [INFO ] Flow matrix only has 732 transitions (discarded 538 similar events)
// Phase 1: matrix 732 rows 444 cols
[2025-06-01 13:22:05] [INFO ] Computed 2 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 2, 4, 4, 0, 2, 2, 3, 1, 3] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 1, 128]
FORMULA FunctionPointer-PT-c128-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 3477 ms. (287 steps per ms)
BEST_FIRST walk for 9000008 steps (34 resets) in 19004 ms. (473 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[166, 237, 6, 17, 242, 234, 14, 74, 4] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 128]
[2025-06-01 13:22:28] [INFO ] Flow matrix only has 732 transitions (discarded 538 similar events)
[2025-06-01 13:22:28] [INFO ] Invariant cache hit.
[2025-06-01 13:22:28] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:22:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:28] [INFO ] [Real]Absence check using state equation in 352 ms returned sat
[2025-06-01 13:22:28] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 13:22:28] [INFO ] [Real]Added 90 Read/Feed constraints in 115 ms returned sat
[2025-06-01 13:22:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:22:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:29] [INFO ] [Nat]Absence check using state equation in 353 ms returned sat
[2025-06-01 13:22:29] [INFO ] [Nat]Added 90 Read/Feed constraints in 48 ms returned sat
[2025-06-01 13:22:29] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 96 ms.
[2025-06-01 13:22:29] [INFO ] Added : 5 causal constraints over 3 iterations in 348 ms. Result :sat
Minimization took 814 ms.
[2025-06-01 13:22:30] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:22:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:30] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2025-06-01 13:22:30] [INFO ] [Real]Added 90 Read/Feed constraints in 42 ms returned sat
[2025-06-01 13:22:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:22:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:22:31] [INFO ] [Nat]Absence check using state equation in 341 ms returned sat
[2025-06-01 13:22:31] [INFO ] [Nat]Added 90 Read/Feed constraints in 64 ms returned sat
[2025-06-01 13:22:31] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 87 ms.
[2025-06-01 13:22:31] [INFO ] Added : 1 causal constraints over 1 iterations in 184 ms. Result :sat
Minimization took 600 ms.
[2025-06-01 13:22:32] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-01 13:22:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:32] [INFO ] [Real]Absence check using state equation in 327 ms returned sat
[2025-06-01 13:22:32] [INFO ] [Real]Added 90 Read/Feed constraints in 114 ms returned sat
[2025-06-01 13:22:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:22:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:33] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2025-06-01 13:22:33] [INFO ] [Nat]Added 90 Read/Feed constraints in 80 ms returned sat
[2025-06-01 13:22:33] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 132 ms.
[2025-06-01 13:22:33] [INFO ] Added : 1 causal constraints over 1 iterations in 263 ms. Result :sat
Minimization took 549 ms.
[2025-06-01 13:22:34] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:22:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:34] [INFO ] [Real]Absence check using state equation in 345 ms returned sat
[2025-06-01 13:22:34] [INFO ] [Real]Added 90 Read/Feed constraints in 105 ms returned sat
[2025-06-01 13:22:34] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:22:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:35] [INFO ] [Nat]Absence check using state equation in 248 ms returned sat
[2025-06-01 13:22:35] [INFO ] [Nat]Added 90 Read/Feed constraints in 101 ms returned sat
[2025-06-01 13:22:35] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 76 ms.
[2025-06-01 13:22:35] [INFO ] Added : 2 causal constraints over 1 iterations in 183 ms. Result :sat
Minimization took 563 ms.
[2025-06-01 13:22:36] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:22:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:36] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2025-06-01 13:22:36] [INFO ] [Real]Added 90 Read/Feed constraints in 42 ms returned sat
[2025-06-01 13:22:36] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:22:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:22:37] [INFO ] [Nat]Absence check using state equation in 343 ms returned sat
[2025-06-01 13:22:37] [INFO ] [Nat]Added 90 Read/Feed constraints in 56 ms returned sat
[2025-06-01 13:22:37] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 95 ms.
[2025-06-01 13:22:37] [INFO ] Added : 1 causal constraints over 1 iterations in 235 ms. Result :sat
Minimization took 733 ms.
[2025-06-01 13:22:38] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-01 13:22:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:38] [INFO ] [Real]Absence check using state equation in 250 ms returned sat
[2025-06-01 13:22:38] [INFO ] [Real]Added 90 Read/Feed constraints in 155 ms returned sat
[2025-06-01 13:22:38] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:22:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:39] [INFO ] [Nat]Absence check using state equation in 359 ms returned sat
[2025-06-01 13:22:39] [INFO ] [Nat]Added 90 Read/Feed constraints in 71 ms returned sat
[2025-06-01 13:22:39] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 135 ms.
[2025-06-01 13:22:39] [INFO ] Added : 1 causal constraints over 1 iterations in 295 ms. Result :sat
Minimization took 803 ms.
[2025-06-01 13:22:40] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:22:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:40] [INFO ] [Real]Absence check using state equation in 249 ms returned sat
[2025-06-01 13:22:40] [INFO ] [Real]Added 90 Read/Feed constraints in 96 ms returned sat
[2025-06-01 13:22:41] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:22:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:41] [INFO ] [Nat]Absence check using state equation in 384 ms returned sat
[2025-06-01 13:22:41] [INFO ] [Nat]Added 90 Read/Feed constraints in 61 ms returned sat
[2025-06-01 13:22:41] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 142 ms.
[2025-06-01 13:22:41] [INFO ] Added : 0 causal constraints over 0 iterations in 248 ms. Result :sat
Minimization took 778 ms.
[2025-06-01 13:22:42] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:22:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 11 ms returned sat
[2025-06-01 13:22:43] [INFO ] [Real]Absence check using state equation in 385 ms returned sat
[2025-06-01 13:22:43] [INFO ] [Real]Added 90 Read/Feed constraints in 123 ms returned sat
[2025-06-01 13:22:43] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:22:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:22:43] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-01 13:22:44] [INFO ] [Nat]Added 90 Read/Feed constraints in 67 ms returned sat
[2025-06-01 13:22:44] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 133 ms.
[2025-06-01 13:22:44] [INFO ] Added : 10 causal constraints over 4 iterations in 465 ms. Result :sat
Minimization took 786 ms.
[2025-06-01 13:22:45] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:22:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:22:45] [INFO ] [Real]Absence check using state equation in 392 ms returned sat
[2025-06-01 13:22:46] [INFO ] [Real]Added 90 Read/Feed constraints in 121 ms returned sat
[2025-06-01 13:22:46] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:22:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:22:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:22:46] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 13:22:46] [INFO ] [Nat]Added 90 Read/Feed constraints in 78 ms returned sat
[2025-06-01 13:22:46] [INFO ] Computed and/alt/rep : 90/155/90 causal constraints (skipped 640 transitions) in 151 ms.
[2025-06-01 13:22:47] [INFO ] Added : 1 causal constraints over 1 iterations in 279 ms. Result :sat
Minimization took 794 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[166, 237, 6, 17, 242, 234, 14, 74, 4] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, 128, +inf, 128]
FORMULA FunctionPointer-PT-c128-UpperBounds-12 128 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[166, 237, 127, 127, 242, 234, 74, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 444 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 444/444 places, 1270/1270 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 443 transition count 1268
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 443 transition count 1268
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 442 transition count 1266
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 442 transition count 1266
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 441 transition count 1264
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 441 transition count 1264
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 440 transition count 1262
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 440 transition count 1262
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 439 transition count 1260
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 439 transition count 1260
Applied a total of 10 rules in 131 ms. Remains 439 /444 variables (removed 5) and now considering 1260/1270 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131 ms. Remains : 439/444 places, 1260/1270 transitions.
[2025-06-01 13:22:50] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 8) seen :[2, 1, 1, 2, 3, 1, 0, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[166, 237, 127, 127, 242, 234, 74, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:22:50] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-01 13:22:51] [INFO ] Computed 2 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[166, 237, 127, 127, 242, 234, 74, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000000 steps (2 resets) in 2972 ms. (336 steps per ms)
BEST_FIRST walk for 8000007 steps (31 resets) in 16674 ms. (479 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[239, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:23:10] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:23:10] [INFO ] Invariant cache hit.
[2025-06-01 13:23:10] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:23:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:10] [INFO ] [Real]Absence check using state equation in 236 ms returned sat
[2025-06-01 13:23:11] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:23:11] [INFO ] [Real]Added 87 Read/Feed constraints in 72 ms returned sat
[2025-06-01 13:23:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:23:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:23:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:11] [INFO ] [Nat]Absence check using state equation in 384 ms returned sat
[2025-06-01 13:23:11] [INFO ] [Nat]Added 87 Read/Feed constraints in 32 ms returned sat
[2025-06-01 13:23:11] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 80 ms.
[2025-06-01 13:23:12] [INFO ] Added : 12 causal constraints over 4 iterations in 383 ms. Result :sat
Minimization took 632 ms.
[2025-06-01 13:23:12] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:23:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:13] [INFO ] [Real]Absence check using state equation in 279 ms returned sat
[2025-06-01 13:23:13] [INFO ] [Real]Added 87 Read/Feed constraints in 53 ms returned sat
[2025-06-01 13:23:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:23:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-01 13:23:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:13] [INFO ] [Nat]Absence check using state equation in 294 ms returned sat
[2025-06-01 13:23:13] [INFO ] [Nat]Added 87 Read/Feed constraints in 41 ms returned sat
[2025-06-01 13:23:13] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 104 ms.
[2025-06-01 13:23:14] [INFO ] Added : 5 causal constraints over 3 iterations in 377 ms. Result :sat
Minimization took 648 ms.
[2025-06-01 13:23:15] [INFO ] [Real]Absence check using 1 positive place invariants in 14 ms returned sat
[2025-06-01 13:23:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:15] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-01 13:23:15] [INFO ] [Real]Added 87 Read/Feed constraints in 142 ms returned sat
[2025-06-01 13:23:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:23:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:23:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:23:16] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-01 13:23:16] [INFO ] [Nat]Added 87 Read/Feed constraints in 75 ms returned sat
[2025-06-01 13:23:16] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 112 ms.
[2025-06-01 13:23:16] [INFO ] Added : 1 causal constraints over 1 iterations in 239 ms. Result :sat
Minimization took 691 ms.
[2025-06-01 13:23:17] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:23:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:17] [INFO ] [Real]Absence check using state equation in 374 ms returned sat
[2025-06-01 13:23:17] [INFO ] [Real]Added 87 Read/Feed constraints in 215 ms returned sat
[2025-06-01 13:23:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:23:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:23:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:18] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-01 13:23:18] [INFO ] [Nat]Added 87 Read/Feed constraints in 97 ms returned sat
[2025-06-01 13:23:18] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 130 ms.
[2025-06-01 13:23:18] [INFO ] Added : 2 causal constraints over 1 iterations in 284 ms. Result :sat
Minimization took 796 ms.
[2025-06-01 13:23:19] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:23:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:20] [INFO ] [Real]Absence check using state equation in 374 ms returned sat
[2025-06-01 13:23:20] [INFO ] [Real]Added 87 Read/Feed constraints in 65 ms returned sat
[2025-06-01 13:23:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:23:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:23:20] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:20] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-01 13:23:20] [INFO ] [Nat]Added 87 Read/Feed constraints in 51 ms returned sat
[2025-06-01 13:23:21] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 146 ms.
[2025-06-01 13:23:21] [INFO ] Added : 5 causal constraints over 3 iterations in 503 ms. Result :sat
Minimization took 743 ms.
[2025-06-01 13:23:22] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:23:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:23:22] [INFO ] [Real]Absence check using state equation in 396 ms returned sat
[2025-06-01 13:23:22] [INFO ] [Real]Added 87 Read/Feed constraints in 86 ms returned sat
[2025-06-01 13:23:22] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:23:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:23:23] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:23] [INFO ] [Nat]Absence check using state equation in 311 ms returned sat
[2025-06-01 13:23:23] [INFO ] [Nat]Added 87 Read/Feed constraints in 38 ms returned sat
[2025-06-01 13:23:23] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 132 ms.
[2025-06-01 13:23:23] [INFO ] Added : 4 causal constraints over 2 iterations in 364 ms. Result :sat
Minimization took 731 ms.
[2025-06-01 13:23:24] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:23:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:25] [INFO ] [Real]Absence check using state equation in 323 ms returned sat
[2025-06-01 13:23:25] [INFO ] [Real]Added 87 Read/Feed constraints in 62 ms returned sat
[2025-06-01 13:23:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:23:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:23:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:25] [INFO ] [Nat]Absence check using state equation in 389 ms returned sat
[2025-06-01 13:23:25] [INFO ] [Nat]Added 87 Read/Feed constraints in 59 ms returned sat
[2025-06-01 13:23:25] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 136 ms.
[2025-06-01 13:23:26] [INFO ] Added : 22 causal constraints over 6 iterations in 689 ms. Result :sat
Minimization took 756 ms.
[2025-06-01 13:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:23:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:27] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2025-06-01 13:23:27] [INFO ] [Real]Added 87 Read/Feed constraints in 104 ms returned sat
[2025-06-01 13:23:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:23:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:23:28] [INFO ] [Nat]Absence check using state equation in 356 ms returned sat
[2025-06-01 13:23:28] [INFO ] [Nat]Added 87 Read/Feed constraints in 92 ms returned sat
[2025-06-01 13:23:28] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 118 ms.
[2025-06-01 13:23:28] [INFO ] Added : 1 causal constraints over 1 iterations in 259 ms. Result :sat
Minimization took 657 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[239, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[239, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 55 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 439/439 places, 1260/1260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 55 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
[2025-06-01 13:23:32] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:23:32] [INFO ] Invariant cache hit.
[2025-06-01 13:23:33] [INFO ] Implicit Places using invariants in 850 ms returned []
[2025-06-01 13:23:33] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:23:33] [INFO ] Invariant cache hit.
[2025-06-01 13:23:33] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:23:35] [INFO ] Implicit Places using invariants and state equation in 2439 ms returned []
Implicit Place search using SMT with State Equation took 3295 ms to find 0 implicit places.
[2025-06-01 13:23:36] [INFO ] Redundant transitions in 158 ms returned []
Running 1258 sub problems to find dead transitions.
[2025-06-01 13:23:36] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:23:36] [INFO ] Invariant cache hit.
[2025-06-01 13:23:36] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30103 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1258 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/439 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 3 (OVERLAPS) 723/1162 variables, 439/441 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1162 variables, 87/528 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 1786 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 31240 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
After SMT, in 67859ms problems are : Problem set: 0 solved, 1258 unsolved
Search for dead transitions found 0 dead transitions in 67932ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71493 ms. Remains : 439/439 places, 1260/1260 transitions.
[2025-06-01 13:24:44] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 5 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 8) seen :[3, 3, 1, 3, 1, 1, 2, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[239, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:24:44] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:24:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[239, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000000 steps (2 resets) in 3555 ms. (281 steps per ms)
BEST_FIRST walk for 8000007 steps (29 resets) in 16768 ms. (477 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[259, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:25:04] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:25:04] [INFO ] Invariant cache hit.
[2025-06-01 13:25:04] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:05] [INFO ] [Real]Absence check using state equation in 413 ms returned sat
[2025-06-01 13:25:05] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:25:05] [INFO ] [Real]Added 87 Read/Feed constraints in 61 ms returned sat
[2025-06-01 13:25:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:25:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:06] [INFO ] [Nat]Absence check using state equation in 393 ms returned sat
[2025-06-01 13:25:06] [INFO ] [Nat]Added 87 Read/Feed constraints in 50 ms returned sat
[2025-06-01 13:25:06] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 125 ms.
[2025-06-01 13:25:06] [INFO ] Added : 12 causal constraints over 4 iterations in 555 ms. Result :sat
Minimization took 773 ms.
[2025-06-01 13:25:07] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:07] [INFO ] [Real]Absence check using state equation in 247 ms returned sat
[2025-06-01 13:25:07] [INFO ] [Real]Added 87 Read/Feed constraints in 35 ms returned sat
[2025-06-01 13:25:07] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:25:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2025-06-01 13:25:08] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2025-06-01 13:25:08] [INFO ] [Nat]Added 87 Read/Feed constraints in 55 ms returned sat
[2025-06-01 13:25:08] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 136 ms.
[2025-06-01 13:25:09] [INFO ] Added : 5 causal constraints over 3 iterations in 495 ms. Result :sat
Minimization took 783 ms.
[2025-06-01 13:25:10] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:10] [INFO ] [Real]Absence check using state equation in 405 ms returned sat
[2025-06-01 13:25:10] [INFO ] [Real]Added 87 Read/Feed constraints in 167 ms returned sat
[2025-06-01 13:25:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:25:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:11] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 13:25:11] [INFO ] [Nat]Added 87 Read/Feed constraints in 99 ms returned sat
[2025-06-01 13:25:11] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 135 ms.
[2025-06-01 13:25:11] [INFO ] Added : 1 causal constraints over 1 iterations in 281 ms. Result :sat
Minimization took 623 ms.
[2025-06-01 13:25:12] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:25:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:12] [INFO ] [Real]Absence check using state equation in 370 ms returned sat
[2025-06-01 13:25:13] [INFO ] [Real]Added 87 Read/Feed constraints in 206 ms returned sat
[2025-06-01 13:25:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:25:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:13] [INFO ] [Nat]Absence check using state equation in 396 ms returned sat
[2025-06-01 13:25:13] [INFO ] [Nat]Added 87 Read/Feed constraints in 95 ms returned sat
[2025-06-01 13:25:13] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 140 ms.
[2025-06-01 13:25:14] [INFO ] Added : 2 causal constraints over 1 iterations in 322 ms. Result :sat
Minimization took 773 ms.
[2025-06-01 13:25:15] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:25:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:25:15] [INFO ] [Real]Absence check using state equation in 381 ms returned sat
[2025-06-01 13:25:15] [INFO ] [Real]Added 87 Read/Feed constraints in 53 ms returned sat
[2025-06-01 13:25:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:25:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:16] [INFO ] [Nat]Absence check using state equation in 406 ms returned sat
[2025-06-01 13:25:16] [INFO ] [Nat]Added 87 Read/Feed constraints in 69 ms returned sat
[2025-06-01 13:25:16] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 138 ms.
[2025-06-01 13:25:16] [INFO ] Added : 5 causal constraints over 3 iterations in 476 ms. Result :sat
Minimization took 744 ms.
[2025-06-01 13:25:17] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:25:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:17] [INFO ] [Real]Absence check using state equation in 239 ms returned sat
[2025-06-01 13:25:17] [INFO ] [Real]Added 87 Read/Feed constraints in 55 ms returned sat
[2025-06-01 13:25:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:25:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:25:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 13:25:18] [INFO ] [Nat]Absence check using state equation in 227 ms returned sat
[2025-06-01 13:25:18] [INFO ] [Nat]Added 87 Read/Feed constraints in 33 ms returned sat
[2025-06-01 13:25:18] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 81 ms.
[2025-06-01 13:25:18] [INFO ] Added : 4 causal constraints over 2 iterations in 339 ms. Result :sat
Minimization took 760 ms.
[2025-06-01 13:25:19] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:25:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:19] [INFO ] [Real]Absence check using state equation in 314 ms returned sat
[2025-06-01 13:25:19] [INFO ] [Real]Added 87 Read/Feed constraints in 40 ms returned sat
[2025-06-01 13:25:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:25:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:20] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:20] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2025-06-01 13:25:20] [INFO ] [Nat]Added 87 Read/Feed constraints in 50 ms returned sat
[2025-06-01 13:25:20] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 124 ms.
[2025-06-01 13:25:21] [INFO ] Added : 22 causal constraints over 6 iterations in 646 ms. Result :sat
Minimization took 764 ms.
[2025-06-01 13:25:22] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:25:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:22] [INFO ] [Real]Absence check using state equation in 234 ms returned sat
[2025-06-01 13:25:22] [INFO ] [Real]Added 87 Read/Feed constraints in 156 ms returned sat
[2025-06-01 13:25:22] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:25:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:25:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:25:23] [INFO ] [Nat]Absence check using state equation in 372 ms returned sat
[2025-06-01 13:25:23] [INFO ] [Nat]Added 87 Read/Feed constraints in 103 ms returned sat
[2025-06-01 13:25:23] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 130 ms.
[2025-06-01 13:25:23] [INFO ] Added : 1 causal constraints over 1 iterations in 284 ms. Result :sat
Minimization took 763 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[259, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[259, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 56 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 439/439 places, 1260/1260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 55 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
[2025-06-01 13:25:28] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:25:28] [INFO ] Invariant cache hit.
[2025-06-01 13:25:28] [INFO ] Implicit Places using invariants in 711 ms returned []
[2025-06-01 13:25:28] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:25:28] [INFO ] Invariant cache hit.
[2025-06-01 13:25:29] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:25:31] [INFO ] Implicit Places using invariants and state equation in 2407 ms returned []
Implicit Place search using SMT with State Equation took 3127 ms to find 0 implicit places.
[2025-06-01 13:25:31] [INFO ] Redundant transitions in 113 ms returned []
Running 1258 sub problems to find dead transitions.
[2025-06-01 13:25:31] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:25:31] [INFO ] Invariant cache hit.
[2025-06-01 13:25:31] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1258 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/439 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 3 (OVERLAPS) 723/1162 variables, 439/441 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1162 variables, 87/528 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 1786 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 31153 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
After SMT, in 67500ms problems are : Problem set: 0 solved, 1258 unsolved
Search for dead transitions found 0 dead transitions in 67524ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70838 ms. Remains : 439/439 places, 1260/1260 transitions.
[2025-06-01 13:26:39] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 2 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 168 ms. (steps per millisecond=59 ) properties (out of 8) seen :[2, 4, 2, 0, 2, 3, 1, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[259, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:26:39] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:26:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[259, 237, 127, 127, 352, 234, 117, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000000 steps (2 resets) in 3132 ms. (319 steps per ms)
BEST_FIRST walk for 8000008 steps (26 resets) in 16285 ms. (491 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[259, 323, 127, 127, 352, 234, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:26:59] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:26:59] [INFO ] Invariant cache hit.
[2025-06-01 13:26:59] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:26:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:26:59] [INFO ] [Real]Absence check using state equation in 353 ms returned sat
[2025-06-01 13:26:59] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:26:59] [INFO ] [Real]Added 87 Read/Feed constraints in 47 ms returned sat
[2025-06-01 13:26:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:26:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:26:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:00] [INFO ] [Nat]Absence check using state equation in 406 ms returned sat
[2025-06-01 13:27:00] [INFO ] [Nat]Added 87 Read/Feed constraints in 60 ms returned sat
[2025-06-01 13:27:00] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 139 ms.
[2025-06-01 13:27:00] [INFO ] Added : 12 causal constraints over 4 iterations in 597 ms. Result :sat
Minimization took 773 ms.
[2025-06-01 13:27:01] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:27:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:02] [INFO ] [Real]Absence check using state equation in 339 ms returned sat
[2025-06-01 13:27:02] [INFO ] [Real]Added 87 Read/Feed constraints in 56 ms returned sat
[2025-06-01 13:27:02] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:27:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:27:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:02] [INFO ] [Nat]Absence check using state equation in 335 ms returned sat
[2025-06-01 13:27:02] [INFO ] [Nat]Added 87 Read/Feed constraints in 46 ms returned sat
[2025-06-01 13:27:03] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 98 ms.
[2025-06-01 13:27:03] [INFO ] Added : 5 causal constraints over 3 iterations in 315 ms. Result :sat
Minimization took 528 ms.
[2025-06-01 13:27:03] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:27:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:04] [INFO ] [Real]Absence check using state equation in 237 ms returned sat
[2025-06-01 13:27:04] [INFO ] [Real]Added 87 Read/Feed constraints in 172 ms returned sat
[2025-06-01 13:27:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:27:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:27:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:04] [INFO ] [Nat]Absence check using state equation in 380 ms returned sat
[2025-06-01 13:27:04] [INFO ] [Nat]Added 87 Read/Feed constraints in 86 ms returned sat
[2025-06-01 13:27:05] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 136 ms.
[2025-06-01 13:27:05] [INFO ] Added : 1 causal constraints over 1 iterations in 289 ms. Result :sat
Minimization took 721 ms.
[2025-06-01 13:27:06] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:27:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:06] [INFO ] [Real]Absence check using state equation in 237 ms returned sat
[2025-06-01 13:27:06] [INFO ] [Real]Added 87 Read/Feed constraints in 144 ms returned sat
[2025-06-01 13:27:06] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:27:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:27:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:06] [INFO ] [Nat]Absence check using state equation in 283 ms returned sat
[2025-06-01 13:27:07] [INFO ] [Nat]Added 87 Read/Feed constraints in 86 ms returned sat
[2025-06-01 13:27:07] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 103 ms.
[2025-06-01 13:27:07] [INFO ] Added : 2 causal constraints over 1 iterations in 228 ms. Result :sat
Minimization took 664 ms.
[2025-06-01 13:27:08] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:27:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:08] [INFO ] [Real]Absence check using state equation in 357 ms returned sat
[2025-06-01 13:27:08] [INFO ] [Real]Added 87 Read/Feed constraints in 62 ms returned sat
[2025-06-01 13:27:08] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:27:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:27:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:08] [INFO ] [Nat]Absence check using state equation in 241 ms returned sat
[2025-06-01 13:27:09] [INFO ] [Nat]Added 87 Read/Feed constraints in 81 ms returned sat
[2025-06-01 13:27:09] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 136 ms.
[2025-06-01 13:27:09] [INFO ] Added : 5 causal constraints over 3 iterations in 484 ms. Result :sat
Minimization took 761 ms.
[2025-06-01 13:27:10] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:27:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:10] [INFO ] [Real]Absence check using state equation in 346 ms returned sat
[2025-06-01 13:27:11] [INFO ] [Real]Added 87 Read/Feed constraints in 91 ms returned sat
[2025-06-01 13:27:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:27:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:27:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:11] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2025-06-01 13:27:11] [INFO ] [Nat]Added 87 Read/Feed constraints in 61 ms returned sat
[2025-06-01 13:27:11] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 128 ms.
[2025-06-01 13:27:12] [INFO ] Added : 4 causal constraints over 2 iterations in 427 ms. Result :sat
Minimization took 765 ms.
[2025-06-01 13:27:13] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:27:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 19 ms returned sat
[2025-06-01 13:27:13] [INFO ] [Real]Absence check using state equation in 360 ms returned sat
[2025-06-01 13:27:13] [INFO ] [Real]Added 87 Read/Feed constraints in 50 ms returned sat
[2025-06-01 13:27:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:27:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:27:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:27:14] [INFO ] [Nat]Absence check using state equation in 335 ms returned sat
[2025-06-01 13:27:14] [INFO ] [Nat]Added 87 Read/Feed constraints in 62 ms returned sat
[2025-06-01 13:27:14] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 127 ms.
[2025-06-01 13:27:14] [INFO ] Added : 22 causal constraints over 6 iterations in 670 ms. Result :sat
Minimization took 570 ms.
[2025-06-01 13:27:15] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:27:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:15] [INFO ] [Real]Absence check using state equation in 357 ms returned sat
[2025-06-01 13:27:16] [INFO ] [Real]Added 87 Read/Feed constraints in 169 ms returned sat
[2025-06-01 13:27:16] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:27:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:27:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:27:16] [INFO ] [Nat]Absence check using state equation in 389 ms returned sat
[2025-06-01 13:27:16] [INFO ] [Nat]Added 87 Read/Feed constraints in 105 ms returned sat
[2025-06-01 13:27:17] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 177 ms.
[2025-06-01 13:27:17] [INFO ] Added : 1 causal constraints over 1 iterations in 327 ms. Result :sat
Minimization took 760 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[259, 323, 127, 127, 352, 234, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[259, 323, 127, 127, 352, 234, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 54 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 439/439 places, 1260/1260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 55 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
[2025-06-01 13:27:20] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:27:21] [INFO ] Invariant cache hit.
[2025-06-01 13:27:21] [INFO ] Implicit Places using invariants in 888 ms returned []
[2025-06-01 13:27:21] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:27:21] [INFO ] Invariant cache hit.
[2025-06-01 13:27:22] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:27:24] [INFO ] Implicit Places using invariants and state equation in 2768 ms returned []
Implicit Place search using SMT with State Equation took 3664 ms to find 0 implicit places.
[2025-06-01 13:27:24] [INFO ] Redundant transitions in 53 ms returned []
Running 1258 sub problems to find dead transitions.
[2025-06-01 13:27:24] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:27:24] [INFO ] Invariant cache hit.
[2025-06-01 13:27:24] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1258 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/439 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 3 (OVERLAPS) 723/1162 variables, 439/441 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1162 variables, 87/528 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 1786 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 31121 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
After SMT, in 66770ms problems are : Problem set: 0 solved, 1258 unsolved
Search for dead transitions found 0 dead transitions in 66794ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70583 ms. Remains : 439/439 places, 1260/1260 transitions.
[2025-06-01 13:28:31] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 8) seen :[3, 1, 2, 1, 4, 5, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[259, 323, 127, 127, 352, 234, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:28:31] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:28:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[259, 323, 127, 127, 352, 234, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000000 steps (2 resets) in 3272 ms. (305 steps per ms)
BEST_FIRST walk for 8000008 steps (37 resets) in 16525 ms. (484 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[307, 323, 127, 127, 352, 276, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:28:51] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:28:51] [INFO ] Invariant cache hit.
[2025-06-01 13:28:51] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:28:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Real]Absence check using state equation in 351 ms returned sat
[2025-06-01 13:28:52] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:28:52] [INFO ] [Real]Added 87 Read/Feed constraints in 62 ms returned sat
[2025-06-01 13:28:52] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:28:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 13:28:52] [INFO ] [Nat]Added 87 Read/Feed constraints in 60 ms returned sat
[2025-06-01 13:28:53] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 189 ms.
[2025-06-01 13:28:53] [INFO ] Added : 12 causal constraints over 4 iterations in 613 ms. Result :sat
Minimization took 770 ms.
[2025-06-01 13:28:54] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:28:54] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:54] [INFO ] [Real]Absence check using state equation in 380 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Real]Added 87 Read/Feed constraints in 62 ms returned sat
[2025-06-01 13:28:55] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:28:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Nat]Absence check using state equation in 393 ms returned sat
[2025-06-01 13:28:55] [INFO ] [Nat]Added 87 Read/Feed constraints in 46 ms returned sat
[2025-06-01 13:28:55] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 135 ms.
[2025-06-01 13:28:56] [INFO ] Added : 5 causal constraints over 3 iterations in 481 ms. Result :sat
Minimization took 802 ms.
[2025-06-01 13:28:57] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:28:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:57] [INFO ] [Real]Absence check using state equation in 398 ms returned sat
[2025-06-01 13:28:57] [INFO ] [Real]Added 87 Read/Feed constraints in 159 ms returned sat
[2025-06-01 13:28:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:28:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:28:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:28:58] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-01 13:28:58] [INFO ] [Nat]Added 87 Read/Feed constraints in 99 ms returned sat
[2025-06-01 13:28:58] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 125 ms.
[2025-06-01 13:28:58] [INFO ] Added : 1 causal constraints over 1 iterations in 272 ms. Result :sat
Minimization took 736 ms.
[2025-06-01 13:28:59] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:28:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:28:59] [INFO ] [Real]Absence check using state equation in 359 ms returned sat
[2025-06-01 13:29:00] [INFO ] [Real]Added 87 Read/Feed constraints in 215 ms returned sat
[2025-06-01 13:29:00] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:29:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:29:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:29:00] [INFO ] [Nat]Absence check using state equation in 387 ms returned sat
[2025-06-01 13:29:00] [INFO ] [Nat]Added 87 Read/Feed constraints in 97 ms returned sat
[2025-06-01 13:29:01] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 137 ms.
[2025-06-01 13:29:01] [INFO ] Added : 2 causal constraints over 1 iterations in 297 ms. Result :sat
Minimization took 754 ms.
[2025-06-01 13:29:02] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:29:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:29:02] [INFO ] [Real]Absence check using state equation in 343 ms returned sat
[2025-06-01 13:29:02] [INFO ] [Real]Added 87 Read/Feed constraints in 64 ms returned sat
[2025-06-01 13:29:02] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:29:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:29:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 13:29:03] [INFO ] [Nat]Absence check using state equation in 386 ms returned sat
[2025-06-01 13:29:03] [INFO ] [Nat]Added 87 Read/Feed constraints in 60 ms returned sat
[2025-06-01 13:29:03] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 134 ms.
[2025-06-01 13:29:03] [INFO ] Added : 5 causal constraints over 3 iterations in 479 ms. Result :sat
Minimization took 737 ms.
[2025-06-01 13:29:04] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:29:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-01 13:29:04] [INFO ] [Real]Absence check using state equation in 233 ms returned sat
[2025-06-01 13:29:04] [INFO ] [Real]Added 87 Read/Feed constraints in 56 ms returned sat
[2025-06-01 13:29:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:29:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:29:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:29:05] [INFO ] [Nat]Absence check using state equation in 362 ms returned sat
[2025-06-01 13:29:05] [INFO ] [Nat]Added 87 Read/Feed constraints in 55 ms returned sat
[2025-06-01 13:29:05] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 134 ms.
[2025-06-01 13:29:05] [INFO ] Added : 4 causal constraints over 2 iterations in 442 ms. Result :sat
Minimization took 739 ms.
[2025-06-01 13:29:06] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:29:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:29:07] [INFO ] [Real]Absence check using state equation in 378 ms returned sat
[2025-06-01 13:29:07] [INFO ] [Real]Added 87 Read/Feed constraints in 57 ms returned sat
[2025-06-01 13:29:07] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:29:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:29:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:29:07] [INFO ] [Nat]Absence check using state equation in 389 ms returned sat
[2025-06-01 13:29:07] [INFO ] [Nat]Added 87 Read/Feed constraints in 47 ms returned sat
[2025-06-01 13:29:08] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 134 ms.
[2025-06-01 13:29:08] [INFO ] Added : 22 causal constraints over 6 iterations in 681 ms. Result :sat
Minimization took 766 ms.
[2025-06-01 13:29:09] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Real]Absence check using state equation in 245 ms returned sat
[2025-06-01 13:29:09] [INFO ] [Real]Added 87 Read/Feed constraints in 116 ms returned sat
[2025-06-01 13:29:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:29:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:29:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:29:10] [INFO ] [Nat]Absence check using state equation in 395 ms returned sat
[2025-06-01 13:29:10] [INFO ] [Nat]Added 87 Read/Feed constraints in 98 ms returned sat
[2025-06-01 13:29:10] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 134 ms.
[2025-06-01 13:29:10] [INFO ] Added : 1 causal constraints over 1 iterations in 293 ms. Result :sat
Minimization took 658 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[307, 323, 127, 127, 352, 276, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[307, 323, 127, 127, 352, 276, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 54 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 439/439 places, 1260/1260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 54 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
[2025-06-01 13:29:14] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:29:14] [INFO ] Invariant cache hit.
[2025-06-01 13:29:15] [INFO ] Implicit Places using invariants in 493 ms returned []
[2025-06-01 13:29:15] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:29:15] [INFO ] Invariant cache hit.
[2025-06-01 13:29:15] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:29:17] [INFO ] Implicit Places using invariants and state equation in 2507 ms returned []
Implicit Place search using SMT with State Equation took 3023 ms to find 0 implicit places.
[2025-06-01 13:29:17] [INFO ] Redundant transitions in 35 ms returned []
Running 1258 sub problems to find dead transitions.
[2025-06-01 13:29:17] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:29:17] [INFO ] Invariant cache hit.
[2025-06-01 13:29:17] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 7.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 1.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 1.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 1.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 1.0)
(s78 1.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 1.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1258 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/439 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 3 (OVERLAPS) 723/1162 variables, 439/441 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1162 variables, 87/528 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 1786 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30770 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
After SMT, in 66120ms problems are : Problem set: 0 solved, 1258 unsolved
Search for dead transitions found 0 dead transitions in 66143ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69271 ms. Remains : 439/439 places, 1260/1260 transitions.
[2025-06-01 13:30:23] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 2 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 8) seen :[3, 2, 3, 0, 2, 3, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[307, 323, 127, 127, 352, 276, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:30:24] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:30:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[307, 323, 127, 127, 352, 276, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000004 steps (2 resets) in 3051 ms. (327 steps per ms)
BEST_FIRST walk for 8000008 steps (28 resets) in 16768 ms. (477 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:30:44] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:30:44] [INFO ] Invariant cache hit.
[2025-06-01 13:30:44] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:30:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:44] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2025-06-01 13:30:44] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:30:44] [INFO ] [Real]Added 87 Read/Feed constraints in 29 ms returned sat
[2025-06-01 13:30:44] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:30:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:30:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:45] [INFO ] [Nat]Absence check using state equation in 331 ms returned sat
[2025-06-01 13:30:45] [INFO ] [Nat]Added 87 Read/Feed constraints in 49 ms returned sat
[2025-06-01 13:30:45] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 93 ms.
[2025-06-01 13:30:45] [INFO ] Added : 12 causal constraints over 4 iterations in 488 ms. Result :sat
Minimization took 733 ms.
[2025-06-01 13:30:46] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:30:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:46] [INFO ] [Real]Absence check using state equation in 244 ms returned sat
[2025-06-01 13:30:46] [INFO ] [Real]Added 87 Read/Feed constraints in 40 ms returned sat
[2025-06-01 13:30:47] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:30:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:30:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 13:30:47] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2025-06-01 13:30:47] [INFO ] [Nat]Added 87 Read/Feed constraints in 44 ms returned sat
[2025-06-01 13:30:47] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 91 ms.
[2025-06-01 13:30:47] [INFO ] Added : 5 causal constraints over 3 iterations in 362 ms. Result :sat
Minimization took 713 ms.
[2025-06-01 13:30:48] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:30:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 13:30:48] [INFO ] [Real]Absence check using state equation in 247 ms returned sat
[2025-06-01 13:30:49] [INFO ] [Real]Added 87 Read/Feed constraints in 178 ms returned sat
[2025-06-01 13:30:49] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:30:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:30:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:49] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-06-01 13:30:49] [INFO ] [Nat]Added 87 Read/Feed constraints in 79 ms returned sat
[2025-06-01 13:30:49] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 137 ms.
[2025-06-01 13:30:50] [INFO ] Added : 1 causal constraints over 1 iterations in 260 ms. Result :sat
Minimization took 789 ms.
[2025-06-01 13:30:50] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:30:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:51] [INFO ] [Real]Absence check using state equation in 252 ms returned sat
[2025-06-01 13:30:51] [INFO ] [Real]Added 87 Read/Feed constraints in 132 ms returned sat
[2025-06-01 13:30:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:30:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:30:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 13:30:51] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2025-06-01 13:30:51] [INFO ] [Nat]Added 87 Read/Feed constraints in 105 ms returned sat
[2025-06-01 13:30:52] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 129 ms.
[2025-06-01 13:30:52] [INFO ] Added : 2 causal constraints over 1 iterations in 253 ms. Result :sat
Minimization took 594 ms.
[2025-06-01 13:30:53] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:30:53] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:53] [INFO ] [Real]Absence check using state equation in 376 ms returned sat
[2025-06-01 13:30:53] [INFO ] [Real]Added 87 Read/Feed constraints in 67 ms returned sat
[2025-06-01 13:30:53] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:30:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:30:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:54] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2025-06-01 13:30:54] [INFO ] [Nat]Added 87 Read/Feed constraints in 60 ms returned sat
[2025-06-01 13:30:54] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 136 ms.
[2025-06-01 13:30:54] [INFO ] Added : 5 causal constraints over 3 iterations in 490 ms. Result :sat
Minimization took 755 ms.
[2025-06-01 13:30:55] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:30:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:55] [INFO ] [Real]Absence check using state equation in 388 ms returned sat
[2025-06-01 13:30:56] [INFO ] [Real]Added 87 Read/Feed constraints in 90 ms returned sat
[2025-06-01 13:30:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:30:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 13:30:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:56] [INFO ] [Nat]Absence check using state equation in 394 ms returned sat
[2025-06-01 13:30:56] [INFO ] [Nat]Added 87 Read/Feed constraints in 58 ms returned sat
[2025-06-01 13:30:56] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 140 ms.
[2025-06-01 13:30:57] [INFO ] Added : 4 causal constraints over 2 iterations in 466 ms. Result :sat
Minimization took 763 ms.
[2025-06-01 13:30:58] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:30:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:58] [INFO ] [Real]Absence check using state equation in 386 ms returned sat
[2025-06-01 13:30:58] [INFO ] [Real]Added 87 Read/Feed constraints in 58 ms returned sat
[2025-06-01 13:30:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:30:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:30:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:30:59] [INFO ] [Nat]Absence check using state equation in 320 ms returned sat
[2025-06-01 13:30:59] [INFO ] [Nat]Added 87 Read/Feed constraints in 40 ms returned sat
[2025-06-01 13:30:59] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 133 ms.
[2025-06-01 13:30:59] [INFO ] Added : 22 causal constraints over 6 iterations in 534 ms. Result :sat
Minimization took 593 ms.
[2025-06-01 13:31:00] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:31:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:31:00] [INFO ] [Real]Absence check using state equation in 310 ms returned sat
[2025-06-01 13:31:00] [INFO ] [Real]Added 87 Read/Feed constraints in 110 ms returned sat
[2025-06-01 13:31:01] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:31:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:31:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:31:01] [INFO ] [Nat]Absence check using state equation in 383 ms returned sat
[2025-06-01 13:31:01] [INFO ] [Nat]Added 87 Read/Feed constraints in 101 ms returned sat
[2025-06-01 13:31:01] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 151 ms.
[2025-06-01 13:31:01] [INFO ] Added : 1 causal constraints over 1 iterations in 300 ms. Result :sat
Minimization took 819 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 96 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96 ms. Remains : 439/439 places, 1260/1260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 92 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
[2025-06-01 13:31:07] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:31:07] [INFO ] Invariant cache hit.
[2025-06-01 13:31:08] [INFO ] Implicit Places using invariants in 976 ms returned []
[2025-06-01 13:31:08] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:31:08] [INFO ] Invariant cache hit.
[2025-06-01 13:31:08] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:31:11] [INFO ] Implicit Places using invariants and state equation in 2820 ms returned []
Implicit Place search using SMT with State Equation took 3803 ms to find 0 implicit places.
[2025-06-01 13:31:11] [INFO ] Redundant transitions in 34 ms returned []
Running 1258 sub problems to find dead transitions.
[2025-06-01 13:31:11] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:31:11] [INFO ] Invariant cache hit.
[2025-06-01 13:31:11] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1258 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/439 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 3 (OVERLAPS) 723/1162 variables, 439/441 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1162 variables, 87/528 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 1786 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 31293 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
After SMT, in 67108ms problems are : Problem set: 0 solved, 1258 unsolved
Search for dead transitions found 0 dead transitions in 67136ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71076 ms. Remains : 439/439 places, 1260/1260 transitions.
[2025-06-01 13:32:18] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 8) seen :[2, 3, 3, 2, 2, 4, 1, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:32:18] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:32:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 1000002 steps (2 resets) in 3388 ms. (295 steps per ms)
BEST_FIRST walk for 8000008 steps (30 resets) in 16745 ms. (477 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
[2025-06-01 13:32:39] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:32:39] [INFO ] Invariant cache hit.
[2025-06-01 13:32:39] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Real]Absence check using state equation in 229 ms returned sat
[2025-06-01 13:32:39] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:32:39] [INFO ] [Real]Added 87 Read/Feed constraints in 47 ms returned sat
[2025-06-01 13:32:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:32:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Nat]Absence check using state equation in 316 ms returned sat
[2025-06-01 13:32:39] [INFO ] [Nat]Added 87 Read/Feed constraints in 34 ms returned sat
[2025-06-01 13:32:40] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 125 ms.
[2025-06-01 13:32:40] [INFO ] Added : 12 causal constraints over 4 iterations in 446 ms. Result :sat
Minimization took 543 ms.
[2025-06-01 13:32:41] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:32:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 13:32:41] [INFO ] [Real]Absence check using state equation in 232 ms returned sat
[2025-06-01 13:32:41] [INFO ] [Real]Added 87 Read/Feed constraints in 37 ms returned sat
[2025-06-01 13:32:41] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:32:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:32:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 13:32:41] [INFO ] [Nat]Absence check using state equation in 237 ms returned sat
[2025-06-01 13:32:41] [INFO ] [Nat]Added 87 Read/Feed constraints in 35 ms returned sat
[2025-06-01 13:32:41] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 82 ms.
[2025-06-01 13:32:42] [INFO ] Added : 5 causal constraints over 3 iterations in 299 ms. Result :sat
Minimization took 529 ms.
[2025-06-01 13:32:42] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:32:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:43] [INFO ] [Real]Absence check using state equation in 242 ms returned sat
[2025-06-01 13:32:43] [INFO ] [Real]Added 87 Read/Feed constraints in 100 ms returned sat
[2025-06-01 13:32:43] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:32:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:32:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:43] [INFO ] [Nat]Absence check using state equation in 306 ms returned sat
[2025-06-01 13:32:43] [INFO ] [Nat]Added 87 Read/Feed constraints in 65 ms returned sat
[2025-06-01 13:32:43] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 125 ms.
[2025-06-01 13:32:43] [INFO ] Added : 1 causal constraints over 1 iterations in 243 ms. Result :sat
Minimization took 534 ms.
[2025-06-01 13:32:44] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:32:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:44] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2025-06-01 13:32:45] [INFO ] [Real]Added 87 Read/Feed constraints in 142 ms returned sat
[2025-06-01 13:32:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:32:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:32:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:45] [INFO ] [Nat]Absence check using state equation in 321 ms returned sat
[2025-06-01 13:32:45] [INFO ] [Nat]Added 87 Read/Feed constraints in 101 ms returned sat
[2025-06-01 13:32:45] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 127 ms.
[2025-06-01 13:32:46] [INFO ] Added : 2 causal constraints over 1 iterations in 251 ms. Result :sat
Minimization took 556 ms.
[2025-06-01 13:32:46] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:32:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:47] [INFO ] [Real]Absence check using state equation in 316 ms returned sat
[2025-06-01 13:32:47] [INFO ] [Real]Added 87 Read/Feed constraints in 35 ms returned sat
[2025-06-01 13:32:47] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:32:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:32:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:47] [INFO ] [Nat]Absence check using state equation in 305 ms returned sat
[2025-06-01 13:32:47] [INFO ] [Nat]Added 87 Read/Feed constraints in 38 ms returned sat
[2025-06-01 13:32:47] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 82 ms.
[2025-06-01 13:32:47] [INFO ] Added : 5 causal constraints over 3 iterations in 298 ms. Result :sat
Minimization took 533 ms.
[2025-06-01 13:32:48] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:32:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:48] [INFO ] [Real]Absence check using state equation in 235 ms returned sat
[2025-06-01 13:32:48] [INFO ] [Real]Added 87 Read/Feed constraints in 53 ms returned sat
[2025-06-01 13:32:48] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:32:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:32:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:49] [INFO ] [Nat]Absence check using state equation in 343 ms returned sat
[2025-06-01 13:32:49] [INFO ] [Nat]Added 87 Read/Feed constraints in 54 ms returned sat
[2025-06-01 13:32:49] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 91 ms.
[2025-06-01 13:32:49] [INFO ] Added : 4 causal constraints over 2 iterations in 356 ms. Result :sat
Minimization took 736 ms.
[2025-06-01 13:32:50] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:32:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:50] [INFO ] [Real]Absence check using state equation in 245 ms returned sat
[2025-06-01 13:32:51] [INFO ] [Real]Added 87 Read/Feed constraints in 31 ms returned sat
[2025-06-01 13:32:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:32:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:32:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-01 13:32:51] [INFO ] [Nat]Absence check using state equation in 347 ms returned sat
[2025-06-01 13:32:51] [INFO ] [Nat]Added 87 Read/Feed constraints in 29 ms returned sat
[2025-06-01 13:32:51] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 94 ms.
[2025-06-01 13:32:52] [INFO ] Added : 22 causal constraints over 6 iterations in 592 ms. Result :sat
Minimization took 670 ms.
[2025-06-01 13:32:52] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:32:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:53] [INFO ] [Real]Absence check using state equation in 402 ms returned sat
[2025-06-01 13:32:53] [INFO ] [Real]Added 87 Read/Feed constraints in 175 ms returned sat
[2025-06-01 13:32:53] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:32:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:32:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:32:54] [INFO ] [Nat]Absence check using state equation in 345 ms returned sat
[2025-06-01 13:32:54] [INFO ] [Nat]Added 87 Read/Feed constraints in 96 ms returned sat
[2025-06-01 13:32:54] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 97 ms.
[2025-06-01 13:32:54] [INFO ] Added : 1 causal constraints over 1 iterations in 229 ms. Result :sat
Minimization took 699 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 55 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 439/439 places, 1260/1260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 54 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
[2025-06-01 13:32:59] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:32:59] [INFO ] Invariant cache hit.
[2025-06-01 13:33:00] [INFO ] Implicit Places using invariants in 499 ms returned []
[2025-06-01 13:33:00] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:33:00] [INFO ] Invariant cache hit.
[2025-06-01 13:33:00] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:33:02] [INFO ] Implicit Places using invariants and state equation in 1979 ms returned []
Implicit Place search using SMT with State Equation took 2504 ms to find 0 implicit places.
[2025-06-01 13:33:02] [INFO ] Redundant transitions in 20 ms returned []
Running 1258 sub problems to find dead transitions.
[2025-06-01 13:33:02] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:33:02] [INFO ] Invariant cache hit.
[2025-06-01 13:33:02] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 7.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 1.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 1.0)
(s19 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1258 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/439 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 3 (OVERLAPS) 723/1162 variables, 439/441 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1162 variables, 87/528 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 1786 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 31084 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
After SMT, in 66792ms problems are : Problem set: 0 solved, 1258 unsolved
Search for dead transitions found 0 dead transitions in 66805ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69402 ms. Remains : 439/439 places, 1260/1260 transitions.
[2025-06-01 13:34:09] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
Found an invariant !
This invariant on transitions {257=1, 364=1, 693=1, 721=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {253=1, 360=1, 689=1, 718=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 8) seen :[2, 3, 1, 1, 3, 2, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
RANDOM walk for 40002 steps (8 resets) in 1869 ms. (21 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 232 ms. (171 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 123 ms. (322 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 85 ms. (465 steps per ms) remains 10/10 properties
[2025-06-01 13:34:10] [INFO ] Flatten gal took : 462 ms
[2025-06-01 13:34:10] [INFO ] Flatten gal took : 160 ms
[2025-06-01 13:34:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15421393587545532191.gal : 101 ms
[2025-06-01 13:34:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2972284044208065215.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15421393587545532191.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2972284044208065215.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2972284044208065215.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :31 after 1983
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :1983 after 1.21911e+06
Interrupted probabilistic random walk after 193507 steps, run timeout after 3001 ms. (steps per millisecond=64 ) properties seen :0 out of 10
Probabilistic random walk after 193507 steps, saw 118673 distinct states, run finished after 3005 ms. (steps per millisecond=64 ) properties seen :0
[2025-06-01 13:34:13] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:34:13] [INFO ] Invariant cache hit.
[2025-06-01 13:34:13] [INFO ] State equation strengthened by 87 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 382/390 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/390 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 656/1046 variables, 390/391 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1046 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 66/1112 variables, 18/409 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1112 variables, 82/491 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1112 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 7/1119 variables, 1/492 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1119 variables, 1/493 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1119 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 35/1154 variables, 24/517 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1154 variables, 5/522 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1154 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 7/1161 variables, 5/527 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1161 variables, 0/527 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 1/1162 variables, 1/528 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1162 variables, 0/528 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (OVERLAPS) 0/1162 variables, 0/528 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1162/1162 variables, and 528 constraints, problems are : Problem set: 0 solved, 10 unsolved in 2263 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 382/390 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/390 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 656/1046 variables, 390/391 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1046 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 66/1112 variables, 18/409 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1112 variables, 82/491 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1112 variables, 10/501 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2025-06-01 13:34:17] [INFO ] Deduced a trap composed of 135 places in 245 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1112 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1112 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 7/1119 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1119 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1119 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 35/1154 variables, 24/528 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1154 variables, 5/533 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1154 variables, 0/533 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 7/1161 variables, 5/538 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1161 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (OVERLAPS) 1/1162 variables, 1/539 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1162 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 20 (OVERLAPS) 0/1162 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 539 constraints, problems are : Problem set: 0 solved, 10 unsolved in 3012 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints]
After SMT, in 5300ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 5 different solutions.
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :1.21911e+06 after 3.53174e+10
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :3.53174e+10 after 5.00808e+17
Detected timeout of ITS tools.
[2025-06-01 13:35:01] [INFO ] Flatten gal took : 107 ms
[2025-06-01 13:35:01] [INFO ] Applying decomposition
[2025-06-01 13:35:01] [INFO ] Flatten gal took : 101 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph18249081412933712447.txt' '-o' '/tmp/graph18249081412933712447.bin' '-w' '/tmp/graph18249081412933712447.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph18249081412933712447.bin' '-l' '-1' '-v' '-w' '/tmp/graph18249081412933712447.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:35:01] [INFO ] Decomposing Gal with order
[2025-06-01 13:35:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:35:02] [INFO ] Removed a total of 2157 redundant transitions.
[2025-06-01 13:35:02] [INFO ] Flatten gal took : 302 ms
[2025-06-01 13:35:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 926 labels/synchronizations in 158 ms.
[2025-06-01 13:35:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14887550669771578967.gal : 36 ms
[2025-06-01 13:35:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15016442005306631161.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14887550669771578967.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15016442005306631161.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality15016442005306631161.prop.
Parikh walk visited 0 properties in 56057 ms.
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 53 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 439/439 places, 1260/1260 transitions.
RANDOM walk for 40001 steps (8 resets) in 223 ms. (178 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 63 ms. (625 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 76 ms. (519 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 168790 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :0 out of 10
Probabilistic random walk after 168790 steps, saw 103519 distinct states, run finished after 3001 ms. (steps per millisecond=56 ) properties seen :0
[2025-06-01 13:35:18] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:35:18] [INFO ] Invariant cache hit.
[2025-06-01 13:35:18] [INFO ] State equation strengthened by 87 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 382/390 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/390 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 656/1046 variables, 390/391 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1046 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 66/1112 variables, 18/409 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1112 variables, 82/491 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1112 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 7/1119 variables, 1/492 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1119 variables, 1/493 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1119 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 35/1154 variables, 24/517 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1154 variables, 5/522 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1154 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 7/1161 variables, 5/527 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1161 variables, 0/527 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 1/1162 variables, 1/528 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1162 variables, 0/528 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (OVERLAPS) 0/1162 variables, 0/528 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1162/1162 variables, and 528 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1915 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 382/390 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/390 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 656/1046 variables, 390/391 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1046 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 66/1112 variables, 18/409 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1112 variables, 82/491 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1112 variables, 10/501 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2025-06-01 13:35:21] [INFO ] Deduced a trap composed of 135 places in 245 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1112 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1112 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 7/1119 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1119 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1119 variables, 0/504 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 35/1154 variables, 24/528 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1154 variables, 5/533 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1154 variables, 0/533 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 7/1161 variables, 5/538 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1161 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (OVERLAPS) 1/1162 variables, 1/539 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1162 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 20 (OVERLAPS) 0/1162 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 539 constraints, problems are : Problem set: 0 solved, 10 unsolved in 2919 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints]
After SMT, in 4853ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 5 different solutions.
Detected timeout of ITS tools.
Parikh walk visited 0 properties in 30001 ms.
Support contains 8 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 54 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 439/439 places, 1260/1260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Applied a total of 0 rules in 52 ms. Remains 439 /439 variables (removed 0) and now considering 1260/1260 (removed 0) transitions.
[2025-06-01 13:35:53] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:35:53] [INFO ] Invariant cache hit.
[2025-06-01 13:35:54] [INFO ] Implicit Places using invariants in 946 ms returned []
[2025-06-01 13:35:54] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:35:54] [INFO ] Invariant cache hit.
[2025-06-01 13:35:55] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:35:56] [INFO ] Implicit Places using invariants and state equation in 1840 ms returned []
Implicit Place search using SMT with State Equation took 2787 ms to find 0 implicit places.
[2025-06-01 13:35:56] [INFO ] Redundant transitions in 21 ms returned []
Running 1258 sub problems to find dead transitions.
[2025-06-01 13:35:56] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:35:56] [INFO ] Invariant cache hit.
[2025-06-01 13:35:56] [INFO ] State equation strengthened by 87 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
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(s282 1.0)
(s283 1.0)
(s284 1.0)
(s285 1.0)
(s286 1.0)
(s287 1.0)
(s288 1.0)
(s289 1.0)
(s290 1.0)
(s291 1.0)
(s292 1.0)
(s293 1.0)
(s294 0.0)
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(s296 0.0)
(s297 0.0)
(s298 0.0)
(s299 0.0)
(s300 0.0)
(s301 0.0)
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(s415 1.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/1162 variables, and 2 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/439 constraints, ReadFeed: 0/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1258 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/439 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/439 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 3 (OVERLAPS) 723/1162 variables, 439/441 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1162 variables, 87/528 constraints. Problems are: Problem set: 0 solved, 1258 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1162/1162 variables, and 1786 constraints, problems are : Problem set: 0 solved, 1258 unsolved in 30983 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 439/439 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 1258/1258 constraints, Known Traps: 0/0 constraints]
After SMT, in 66864ms problems are : Problem set: 0 solved, 1258 unsolved
Search for dead transitions found 0 dead transitions in 66895ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69765 ms. Remains : 439/439 places, 1260/1260 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[360, 323, 127, 127, 352, 379, 152, 127] Max Struct:[+inf, +inf, 128, +inf, +inf, +inf, +inf, 128]
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:37:03] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:37:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 28 ms. (344 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]
[2025-06-01 13:37:03] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:37:03] [INFO ] Invariant cache hit.
[2025-06-01 13:37:03] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 13:37:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:37:03] [INFO ] [Real]Absence check using state equation in 247 ms returned sat
[2025-06-01 13:37:03] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:37:03] [INFO ] [Real]Added 87 Read/Feed constraints in 38 ms returned sat
[2025-06-01 13:37:03] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:37:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:37:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:37:04] [INFO ] [Nat]Absence check using state equation in 249 ms returned sat
[2025-06-01 13:37:04] [INFO ] [Nat]Added 87 Read/Feed constraints in 41 ms returned sat
[2025-06-01 13:37:04] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 80 ms.
[2025-06-01 13:37:04] [INFO ] Added : 14 causal constraints over 4 iterations in 412 ms. Result :sat
Minimization took 622 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 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Graph (complete) has 2164 edges and 439 vertex of which 436 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.3 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 436 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 11 place count 432 transition count 1246
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 432 transition count 1246
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 19 place count 432 transition count 1242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 23 place count 428 transition count 1234
Iterating global reduction 2 with 4 rules applied. Total rules applied 27 place count 428 transition count 1234
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 29 place count 426 transition count 1228
Iterating global reduction 2 with 2 rules applied. Total rules applied 31 place count 426 transition count 1228
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 32 place count 425 transition count 1226
Iterating global reduction 2 with 1 rules applied. Total rules applied 33 place count 425 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 34 place count 424 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 35 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 36 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 37 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 38 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 39 place count 422 transition count 1220
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 40 place count 421 transition count 1218
Iterating global reduction 2 with 1 rules applied. Total rules applied 41 place count 421 transition count 1218
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 42 place count 420 transition count 1216
Iterating global reduction 2 with 1 rules applied. Total rules applied 43 place count 420 transition count 1216
Applied a total of 43 rules in 276 ms. Remains 420 /439 variables (removed 19) and now considering 1216/1260 (removed 44) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 278 ms. Remains : 420/439 places, 1216/1260 transitions.
[2025-06-01 13:37:05] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 151 ms. (steps per millisecond=66 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 13:37:06] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
// Phase 1: matrix 687 rows 420 cols
[2025-06-01 13:37:06] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3149 ms. (317 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1912 ms. (522 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[352] Max Struct:[+inf]
[2025-06-01 13:37:11] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:37:11] [INFO ] Invariant cache hit.
[2025-06-01 13:37:11] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:37:11] [INFO ] [Real]Absence check using state equation in 318 ms returned sat
[2025-06-01 13:37:11] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:37:11] [INFO ] [Real]Added 75 Read/Feed constraints in 71 ms returned sat
[2025-06-01 13:37:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:37:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:37:12] [INFO ] [Nat]Absence check using state equation in 350 ms returned sat
[2025-06-01 13:37:12] [INFO ] [Nat]Added 75 Read/Feed constraints in 82 ms returned sat
[2025-06-01 13:37:12] [INFO ] Deduced a trap composed of 113 places in 475 ms of which 5 ms to minimize.
[2025-06-01 13:37:13] [INFO ] Deduced a trap composed of 109 places in 537 ms of which 7 ms to minimize.
[2025-06-01 13:37:13] [INFO ] Deduced a trap composed of 87 places in 478 ms of which 6 ms to minimize.
[2025-06-01 13:37:14] [INFO ] Deduced a trap composed of 76 places in 488 ms of which 6 ms to minimize.
[2025-06-01 13:37:15] [INFO ] Deduced a trap composed of 74 places in 625 ms of which 7 ms to minimize.
[2025-06-01 13:37:15] [INFO ] Deduced a trap composed of 71 places in 604 ms of which 6 ms to minimize.
[2025-06-01 13:37:16] [INFO ] Deduced a trap composed of 155 places in 580 ms of which 7 ms to minimize.
[2025-06-01 13:37:16] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 4077 ms
[2025-06-01 13:37:16] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 128 ms.
[2025-06-01 13:37:16] [INFO ] Added : 10 causal constraints over 3 iterations in 447 ms. Result :sat
Minimization took 536 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[352] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[352] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 88 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 86 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-01 13:37:18] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:37:18] [INFO ] Invariant cache hit.
[2025-06-01 13:37:19] [INFO ] Implicit Places using invariants in 899 ms returned []
[2025-06-01 13:37:19] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:37:19] [INFO ] Invariant cache hit.
[2025-06-01 13:37:20] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:37:21] [INFO ] Implicit Places using invariants and state equation in 2047 ms returned []
Implicit Place search using SMT with State Equation took 2947 ms to find 0 implicit places.
[2025-06-01 13:37:21] [INFO ] Redundant transitions in 19 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-01 13:37:21] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:37:21] [INFO ] Invariant cache hit.
[2025-06-01 13:37:21] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (OVERLAPS) 687/1107 variables, 420/423 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1107 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 1712 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30820 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
After SMT, in 66196ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 66209ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69273 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-01 13:38:27] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 151 ms. (steps per millisecond=66 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[352] Max Struct:[+inf]
[2025-06-01 13:38:28] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:38:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[352] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3164 ms. (315 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 1911 ms. (523 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[354] Max Struct:[+inf]
[2025-06-01 13:38:33] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:38:33] [INFO ] Invariant cache hit.
[2025-06-01 13:38:33] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 13:38:34] [INFO ] [Real]Absence check using state equation in 337 ms returned sat
[2025-06-01 13:38:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:38:34] [INFO ] [Real]Added 75 Read/Feed constraints in 70 ms returned sat
[2025-06-01 13:38:34] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:38:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 13:38:34] [INFO ] [Nat]Absence check using state equation in 283 ms returned sat
[2025-06-01 13:38:34] [INFO ] [Nat]Added 75 Read/Feed constraints in 53 ms returned sat
[2025-06-01 13:38:35] [INFO ] Deduced a trap composed of 113 places in 589 ms of which 7 ms to minimize.
[2025-06-01 13:38:35] [INFO ] Deduced a trap composed of 109 places in 611 ms of which 7 ms to minimize.
[2025-06-01 13:38:36] [INFO ] Deduced a trap composed of 87 places in 533 ms of which 6 ms to minimize.
[2025-06-01 13:38:37] [INFO ] Deduced a trap composed of 76 places in 585 ms of which 7 ms to minimize.
[2025-06-01 13:38:37] [INFO ] Deduced a trap composed of 74 places in 571 ms of which 7 ms to minimize.
[2025-06-01 13:38:38] [INFO ] Deduced a trap composed of 71 places in 593 ms of which 7 ms to minimize.
[2025-06-01 13:38:39] [INFO ] Deduced a trap composed of 155 places in 599 ms of which 8 ms to minimize.
[2025-06-01 13:38:39] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 4405 ms
[2025-06-01 13:38:39] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 132 ms.
[2025-06-01 13:38:39] [INFO ] Added : 10 causal constraints over 3 iterations in 451 ms. Result :sat
Minimization took 504 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[354] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[354] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 90 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 90 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-01 13:38:41] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:38:41] [INFO ] Invariant cache hit.
[2025-06-01 13:38:41] [INFO ] Implicit Places using invariants in 786 ms returned []
[2025-06-01 13:38:41] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:38:41] [INFO ] Invariant cache hit.
[2025-06-01 13:38:42] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:38:44] [INFO ] Implicit Places using invariants and state equation in 2090 ms returned []
Implicit Place search using SMT with State Equation took 2879 ms to find 0 implicit places.
[2025-06-01 13:38:44] [INFO ] Redundant transitions in 31 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-01 13:38:44] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:38:44] [INFO ] Invariant cache hit.
[2025-06-01 13:38:44] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (OVERLAPS) 687/1107 variables, 420/423 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1107 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 1712 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30760 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
After SMT, in 66062ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 66085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69100 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-01 13:39:50] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[354] Max Struct:[+inf]
[2025-06-01 13:39:50] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:39:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[354] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 3054 ms. (327 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1826 ms. (547 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[397] Max Struct:[+inf]
[2025-06-01 13:39:55] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:39:55] [INFO ] Invariant cache hit.
[2025-06-01 13:39:55] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 13:39:55] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
[2025-06-01 13:39:55] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:39:55] [INFO ] [Real]Added 75 Read/Feed constraints in 55 ms returned sat
[2025-06-01 13:39:55] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:39:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:39:56] [INFO ] [Nat]Absence check using state equation in 246 ms returned sat
[2025-06-01 13:39:56] [INFO ] [Nat]Added 75 Read/Feed constraints in 50 ms returned sat
[2025-06-01 13:39:56] [INFO ] Deduced a trap composed of 113 places in 381 ms of which 4 ms to minimize.
[2025-06-01 13:39:57] [INFO ] Deduced a trap composed of 109 places in 368 ms of which 4 ms to minimize.
[2025-06-01 13:39:57] [INFO ] Deduced a trap composed of 87 places in 378 ms of which 4 ms to minimize.
[2025-06-01 13:39:58] [INFO ] Deduced a trap composed of 76 places in 405 ms of which 5 ms to minimize.
[2025-06-01 13:39:58] [INFO ] Deduced a trap composed of 74 places in 494 ms of which 7 ms to minimize.
[2025-06-01 13:39:58] [INFO ] Deduced a trap composed of 71 places in 375 ms of which 5 ms to minimize.
[2025-06-01 13:39:59] [INFO ] Deduced a trap composed of 155 places in 377 ms of which 4 ms to minimize.
[2025-06-01 13:39:59] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 3041 ms
[2025-06-01 13:39:59] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 94 ms.
[2025-06-01 13:39:59] [INFO ] Added : 10 causal constraints over 3 iterations in 371 ms. Result :sat
Minimization took 560 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[397] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[397] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 60 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 60 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-01 13:40:01] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:40:01] [INFO ] Invariant cache hit.
[2025-06-01 13:40:02] [INFO ] Implicit Places using invariants in 886 ms returned []
[2025-06-01 13:40:02] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:40:02] [INFO ] Invariant cache hit.
[2025-06-01 13:40:02] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:40:04] [INFO ] Implicit Places using invariants and state equation in 2252 ms returned []
Implicit Place search using SMT with State Equation took 3140 ms to find 0 implicit places.
[2025-06-01 13:40:04] [INFO ] Redundant transitions in 25 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-01 13:40:04] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:40:04] [INFO ] Invariant cache hit.
[2025-06-01 13:40:04] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (OVERLAPS) 687/1107 variables, 420/423 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1107 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 1712 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30805 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
After SMT, in 66872ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 66896ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70132 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-01 13:41:11] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[397] Max Struct:[+inf]
[2025-06-01 13:41:11] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:41:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[397] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2775 ms. (360 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2487 ms. (401 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[397] Max Struct:[+inf]
[2025-06-01 13:41:17] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:41:17] [INFO ] Invariant cache hit.
[2025-06-01 13:41:17] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 13:41:17] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
[2025-06-01 13:41:17] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:41:17] [INFO ] [Real]Added 75 Read/Feed constraints in 75 ms returned sat
[2025-06-01 13:41:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:41:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:41:18] [INFO ] [Nat]Absence check using state equation in 380 ms returned sat
[2025-06-01 13:41:18] [INFO ] [Nat]Added 75 Read/Feed constraints in 79 ms returned sat
[2025-06-01 13:41:18] [INFO ] Deduced a trap composed of 113 places in 594 ms of which 7 ms to minimize.
[2025-06-01 13:41:19] [INFO ] Deduced a trap composed of 109 places in 611 ms of which 8 ms to minimize.
[2025-06-01 13:41:20] [INFO ] Deduced a trap composed of 87 places in 584 ms of which 6 ms to minimize.
[2025-06-01 13:41:20] [INFO ] Deduced a trap composed of 76 places in 561 ms of which 8 ms to minimize.
[2025-06-01 13:41:21] [INFO ] Deduced a trap composed of 74 places in 652 ms of which 8 ms to minimize.
[2025-06-01 13:41:22] [INFO ] Deduced a trap composed of 71 places in 616 ms of which 7 ms to minimize.
[2025-06-01 13:41:22] [INFO ] Deduced a trap composed of 155 places in 549 ms of which 7 ms to minimize.
[2025-06-01 13:41:22] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 4509 ms
[2025-06-01 13:41:22] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 142 ms.
[2025-06-01 13:41:23] [INFO ] Added : 10 causal constraints over 3 iterations in 489 ms. Result :sat
Minimization took 559 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[397] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[397] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 53 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 55 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-01 13:41:25] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:41:25] [INFO ] Invariant cache hit.
[2025-06-01 13:41:26] [INFO ] Implicit Places using invariants in 938 ms returned []
[2025-06-01 13:41:26] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:41:26] [INFO ] Invariant cache hit.
[2025-06-01 13:41:26] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:41:28] [INFO ] Implicit Places using invariants and state equation in 2115 ms returned []
Implicit Place search using SMT with State Equation took 3061 ms to find 0 implicit places.
[2025-06-01 13:41:28] [INFO ] Redundant transitions in 31 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-01 13:41:28] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:41:28] [INFO ] Invariant cache hit.
[2025-06-01 13:41:28] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (OVERLAPS) 687/1107 variables, 420/423 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1107 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 1712 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30860 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
After SMT, in 67747ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 67770ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70929 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-01 13:42:36] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[397] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 197 ms. (202 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
[2025-06-01 13:42:36] [INFO ] Flatten gal took : 108 ms
[2025-06-01 13:42:36] [INFO ] Flatten gal took : 102 ms
[2025-06-01 13:42:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18026972669375233127.gal : 22 ms
[2025-06-01 13:42:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13117814827949380599.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18026972669375233127.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13117814827949380599.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality13117814827949380599.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 448699 steps, run timeout after 3001 ms. (steps per millisecond=149 ) properties seen :0 out of 1
Probabilistic random walk after 448699 steps, saw 275140 distinct states, run finished after 3001 ms. (steps per millisecond=149 ) properties seen :0
[2025-06-01 13:42:39] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:42:39] [INFO ] Invariant cache hit.
[2025-06-01 13:42:39] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/372 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/372 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 605/977 variables, 337/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/977 variables, 74/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1039 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1039 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1107 variables, 68/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1107/1107 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 413 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/372 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/372 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 605/977 variables, 337/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 74/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/977 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1039 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1039 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1107 variables, 68/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 536 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 968ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2870 ms.
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 53 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 420/420 places, 1216/1216 transitions.
RANDOM walk for 40002 steps (8 resets) in 184 ms. (216 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
Interrupted probabilistic random walk after 453605 steps, run timeout after 3001 ms. (steps per millisecond=151 ) properties seen :0 out of 1
Probabilistic random walk after 453605 steps, saw 278150 distinct states, run finished after 3001 ms. (steps per millisecond=151 ) properties seen :0
[2025-06-01 13:42:46] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:42:46] [INFO ] Invariant cache hit.
[2025-06-01 13:42:46] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/372 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/372 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 605/977 variables, 337/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/977 variables, 74/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1039 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1039 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1107 variables, 68/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1107 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1107/1107 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 522 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 352/365 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/372 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/372 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/372 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 605/977 variables, 337/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/977 variables, 74/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/977 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1039 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1039 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1107 variables, 68/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1107 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 526 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1061ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 3575 ms.
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 79 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 84 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-01 13:42:51] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:42:51] [INFO ] Invariant cache hit.
[2025-06-01 13:42:52] [INFO ] Implicit Places using invariants in 710 ms returned []
[2025-06-01 13:42:52] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:42:52] [INFO ] Invariant cache hit.
[2025-06-01 13:42:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:42:53] [INFO ] Implicit Places using invariants and state equation in 1716 ms returned []
Implicit Place search using SMT with State Equation took 2432 ms to find 0 implicit places.
[2025-06-01 13:42:53] [INFO ] Redundant transitions in 18 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-01 13:42:53] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 13:42:53] [INFO ] Invariant cache hit.
[2025-06-01 13:42:53] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
Detected timeout of ITS tools.
[2025-06-01 13:43:26] [INFO ] Flatten gal took : 45 ms
[2025-06-01 13:43:26] [INFO ] Applying decomposition
[2025-06-01 13:43:26] [INFO ] Flatten gal took : 44 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph12313853044299957133.txt' '-o' '/tmp/graph12313853044299957133.bin' '-w' '/tmp/graph12313853044299957133.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph12313853044299957133.bin' '-l' '-1' '-v' '-w' '/tmp/graph12313853044299957133.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:43:27] [INFO ] Decomposing Gal with order
[2025-06-01 13:43:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:43:27] [INFO ] Removed a total of 2078 redundant transitions.
[2025-06-01 13:43:27] [INFO ] Flatten gal took : 86 ms
[2025-06-01 13:43:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 867 labels/synchronizations in 65 ms.
[2025-06-01 13:43:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10651887646243861176.gal : 10 ms
[2025-06-01 13:43:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14433122506224068854.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10651887646243861176.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14433122506224068854.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality14433122506224068854.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 3 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (OVERLAPS) 687/1107 variables, 420/423 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1107 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 1712 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30413 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 0/0 constraints]
After SMT, in 66787ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 66799ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69342 ms. Remains : 420/420 places, 1216/1216 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 529 transitions
Reduce isomorphic transitions removed 529 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 539 rules applied. Total rules applied 539 place count 420 transition count 677
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 549 place count 410 transition count 677
Performed 72 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 72 Pre rules applied. Total rules applied 549 place count 410 transition count 605
Deduced a syphon composed of 72 places in 0 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 693 place count 338 transition count 605
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 947 place count 211 transition count 478
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1011 place count 147 transition count 350
Iterating global reduction 2 with 64 rules applied. Total rules applied 1075 place count 147 transition count 350
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 1077 place count 147 transition count 348
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1140 place count 84 transition count 222
Iterating global reduction 3 with 63 rules applied. Total rules applied 1203 place count 84 transition count 222
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1266 place count 21 transition count 96
Iterating global reduction 3 with 63 rules applied. Total rules applied 1329 place count 21 transition count 96
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1392 place count 21 transition count 33
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1392 place count 21 transition count 32
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1394 place count 20 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1396 place count 19 transition count 31
Applied a total of 1396 rules in 131 ms. Remains 19 /420 variables (removed 401) and now considering 31/1216 (removed 1185) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-01 13:44:00] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 13:44:00] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 13:44:00] [INFO ] After 22ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 13:44:00] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 13:44:00] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 13:44:00] [INFO ] After 69ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 13:44:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 13:44:00] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 13:44:00] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 13:44:00] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:44:00] [INFO ] After 49ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:44:00] [INFO ] Flatten gal took : 6 ms
[2025-06-01 13:44:00] [INFO ] Flatten gal took : 1 ms
[2025-06-01 13:44:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17469802614471326725.gal : 1 ms
[2025-06-01 13:44:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14934803246056962716.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17469802614471326725.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14934803246056962716.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality14934803246056962716.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 57539
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :57539 after 3.245e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.245e+06 after 3.70307e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.70307e+08 after 1.10371e+09
Detected timeout of ITS tools.
[2025-06-01 13:44:15] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:44:15] [INFO ] Applying decomposition
[2025-06-01 13:44:15] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph2625444090606996679.txt' '-o' '/tmp/graph2625444090606996679.bin' '-w' '/tmp/graph2625444090606996679.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph2625444090606996679.bin' '-l' '-1' '-v' '-w' '/tmp/graph2625444090606996679.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:44:15] [INFO ] Decomposing Gal with order
[2025-06-01 13:44:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:44:15] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-01 13:44:15] [INFO ] Flatten gal took : 3 ms
[2025-06-01 13:44:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2025-06-01 13:44:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16330841836223997192.gal : 12 ms
[2025-06-01 13:44:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17797954979075410933.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16330841836223997192.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17797954979075410933.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality17797954979075410933.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30407 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[397] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-02 in 447627 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:44:30] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-01 13:44:30] [INFO ] Computed 2 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:44:31] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:44:31] [INFO ] Invariant cache hit.
[2025-06-01 13:44:31] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:44:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:44:31] [INFO ] [Real]Absence check using state equation in 262 ms returned sat
[2025-06-01 13:44:31] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:44:31] [INFO ] [Real]Added 87 Read/Feed constraints in 54 ms returned sat
[2025-06-01 13:44:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:44:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:44:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:44:32] [INFO ] [Nat]Absence check using state equation in 380 ms returned sat
[2025-06-01 13:44:32] [INFO ] [Nat]Added 87 Read/Feed constraints in 66 ms returned sat
[2025-06-01 13:44:32] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 137 ms.
[2025-06-01 13:44:32] [INFO ] Added : 11 causal constraints over 4 iterations in 536 ms. Result :sat
Minimization took 628 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 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Graph (complete) has 2164 edges and 439 vertex of which 436 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 436 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 11 place count 432 transition count 1244
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 432 transition count 1244
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 17 place count 432 transition count 1242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 21 place count 428 transition count 1234
Iterating global reduction 2 with 4 rules applied. Total rules applied 25 place count 428 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 28 place count 425 transition count 1226
Iterating global reduction 2 with 3 rules applied. Total rules applied 31 place count 425 transition count 1226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 423 transition count 1222
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 423 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 37 place count 421 transition count 1218
Iterating global reduction 2 with 2 rules applied. Total rules applied 39 place count 421 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 41 place count 419 transition count 1214
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 419 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 45 place count 417 transition count 1210
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 417 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 416 transition count 1208
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 416 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 415 transition count 1206
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 415 transition count 1206
Applied a total of 51 rules in 341 ms. Remains 415 /439 variables (removed 24) and now considering 1206/1260 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 342 ms. Remains : 415/439 places, 1206/1260 transitions.
[2025-06-01 13:44:33] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
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 150 ms. (steps per millisecond=66 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 13:44:34] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2025-06-01 13:44:34] [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 3187 ms. (313 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2186 ms. (457 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[536] Max Struct:[+inf]
[2025-06-01 13:44:39] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:44:39] [INFO ] Invariant cache hit.
[2025-06-01 13:44:39] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:44:40] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2025-06-01 13:44:40] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:44:40] [INFO ] [Real]Added 74 Read/Feed constraints in 59 ms returned sat
[2025-06-01 13:44:40] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:44:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:44:40] [INFO ] [Nat]Absence check using state equation in 338 ms returned sat
[2025-06-01 13:44:40] [INFO ] [Nat]Added 74 Read/Feed constraints in 66 ms returned sat
[2025-06-01 13:44:41] [INFO ] Deduced a trap composed of 70 places in 561 ms of which 7 ms to minimize.
[2025-06-01 13:44:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 637 ms
[2025-06-01 13:44:41] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 126 ms.
[2025-06-01 13:44:42] [INFO ] Deduced a trap composed of 245 places in 476 ms of which 4 ms to minimize.
[2025-06-01 13:44:42] [INFO ] Deduced a trap composed of 188 places in 490 ms of which 4 ms to minimize.
[2025-06-01 13:44:43] [INFO ] Deduced a trap composed of 185 places in 396 ms of which 5 ms to minimize.
[2025-06-01 13:44:43] [INFO ] Deduced a trap composed of 158 places in 350 ms of which 7 ms to minimize.
[2025-06-01 13:44:44] [INFO ] Deduced a trap composed of 156 places in 326 ms of which 4 ms to minimize.
[2025-06-01 13:44:44] [INFO ] Deduced a trap composed of 144 places in 472 ms of which 6 ms to minimize.
[2025-06-01 13:44:44] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 2890 ms
[2025-06-01 13:44:44] [INFO ] Added : 5 causal constraints over 2 iterations in 3268 ms. Result :sat
Minimization took 553 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[536] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[536] 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 89 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 89 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 84 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:44:47] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:44:47] [INFO ] Invariant cache hit.
[2025-06-01 13:44:48] [INFO ] Implicit Places using invariants in 796 ms returned []
[2025-06-01 13:44:48] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:44:48] [INFO ] Invariant cache hit.
[2025-06-01 13:44:49] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:44:51] [INFO ] Implicit Places using invariants and state equation in 2566 ms returned []
Implicit Place search using SMT with State Equation took 3387 ms to find 0 implicit places.
[2025-06-01 13:44:51] [INFO ] Redundant transitions in 32 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:44:51] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:44:51] [INFO ] Invariant cache hit.
[2025-06-01 13:44:51] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30599 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66869ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66893ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70413 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-01 13:45:58] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
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 165 ms. (steps per millisecond=60 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[536] Max Struct:[+inf]
[2025-06-01 13:45:58] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:45:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[536] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3221 ms. (310 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2182 ms. (458 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[557] Max Struct:[+inf]
[2025-06-01 13:46:04] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:46:04] [INFO ] Invariant cache hit.
[2025-06-01 13:46:04] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:46:04] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
[2025-06-01 13:46:04] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:46:04] [INFO ] [Real]Added 74 Read/Feed constraints in 82 ms returned sat
[2025-06-01 13:46:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:46:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 13:46:05] [INFO ] [Nat]Absence check using state equation in 371 ms returned sat
[2025-06-01 13:46:05] [INFO ] [Nat]Added 74 Read/Feed constraints in 54 ms returned sat
[2025-06-01 13:46:06] [INFO ] Deduced a trap composed of 70 places in 559 ms of which 7 ms to minimize.
[2025-06-01 13:46:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 629 ms
[2025-06-01 13:46:06] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 134 ms.
[2025-06-01 13:46:07] [INFO ] Deduced a trap composed of 245 places in 542 ms of which 7 ms to minimize.
[2025-06-01 13:46:07] [INFO ] Deduced a trap composed of 188 places in 463 ms of which 5 ms to minimize.
[2025-06-01 13:46:08] [INFO ] Deduced a trap composed of 185 places in 415 ms of which 7 ms to minimize.
[2025-06-01 13:46:08] [INFO ] Deduced a trap composed of 158 places in 513 ms of which 7 ms to minimize.
[2025-06-01 13:46:09] [INFO ] Deduced a trap composed of 156 places in 586 ms of which 7 ms to minimize.
[2025-06-01 13:46:09] [INFO ] Deduced a trap composed of 144 places in 538 ms of which 7 ms to minimize.
[2025-06-01 13:46:09] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 3464 ms
[2025-06-01 13:46:10] [INFO ] Added : 5 causal constraints over 2 iterations in 3907 ms. Result :sat
Minimization took 541 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[557] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[557] 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 61 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 50 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:46:13] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:46:13] [INFO ] Invariant cache hit.
[2025-06-01 13:46:13] [INFO ] Implicit Places using invariants in 748 ms returned []
[2025-06-01 13:46:13] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:46:13] [INFO ] Invariant cache hit.
[2025-06-01 13:46:14] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:46:16] [INFO ] Implicit Places using invariants and state equation in 2823 ms returned []
Implicit Place search using SMT with State Equation took 3582 ms to find 0 implicit places.
[2025-06-01 13:46:16] [INFO ] Redundant transitions in 30 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:46:16] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:46:16] [INFO ] Invariant cache hit.
[2025-06-01 13:46:16] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30828 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 67340ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 67361ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71046 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-01 13:47:24] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
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 148 ms. (steps per millisecond=67 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[557] Max Struct:[+inf]
[2025-06-01 13:47:25] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:47:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[557] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3225 ms. (309 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2019 ms. (495 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[557] Max Struct:[+inf]
[2025-06-01 13:47:30] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:47:30] [INFO ] Invariant cache hit.
[2025-06-01 13:47:30] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:47:30] [INFO ] [Real]Absence check using state equation in 340 ms returned sat
[2025-06-01 13:47:30] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:47:30] [INFO ] [Real]Added 74 Read/Feed constraints in 78 ms returned sat
[2025-06-01 13:47:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:47:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:47:31] [INFO ] [Nat]Absence check using state equation in 365 ms returned sat
[2025-06-01 13:47:31] [INFO ] [Nat]Added 74 Read/Feed constraints in 59 ms returned sat
[2025-06-01 13:47:32] [INFO ] Deduced a trap composed of 70 places in 510 ms of which 7 ms to minimize.
[2025-06-01 13:47:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 594 ms
[2025-06-01 13:47:32] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 128 ms.
[2025-06-01 13:47:33] [INFO ] Deduced a trap composed of 245 places in 583 ms of which 7 ms to minimize.
[2025-06-01 13:47:33] [INFO ] Deduced a trap composed of 188 places in 546 ms of which 6 ms to minimize.
[2025-06-01 13:47:34] [INFO ] Deduced a trap composed of 185 places in 483 ms of which 5 ms to minimize.
[2025-06-01 13:47:34] [INFO ] Deduced a trap composed of 158 places in 463 ms of which 5 ms to minimize.
[2025-06-01 13:47:35] [INFO ] Deduced a trap composed of 156 places in 430 ms of which 5 ms to minimize.
[2025-06-01 13:47:35] [INFO ] Deduced a trap composed of 144 places in 504 ms of which 6 ms to minimize.
[2025-06-01 13:47:35] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 3339 ms
[2025-06-01 13:47:35] [INFO ] Added : 5 causal constraints over 2 iterations in 3758 ms. Result :sat
Minimization took 506 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[557] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[557] 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 59 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 76 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:47:38] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:47:38] [INFO ] Invariant cache hit.
[2025-06-01 13:47:39] [INFO ] Implicit Places using invariants in 933 ms returned []
[2025-06-01 13:47:39] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:47:39] [INFO ] Invariant cache hit.
[2025-06-01 13:47:39] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:47:42] [INFO ] Implicit Places using invariants and state equation in 2790 ms returned []
Implicit Place search using SMT with State Equation took 3728 ms to find 0 implicit places.
[2025-06-01 13:47:42] [INFO ] Redundant transitions in 31 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:47:42] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:47:42] [INFO ] Invariant cache hit.
[2025-06-01 13:47:42] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30832 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 67185ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 67206ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71060 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-01 13:48:49] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
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 320 ms. (steps per millisecond=31 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[557] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 212 ms. (187 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
[2025-06-01 13:48:50] [INFO ] Flatten gal took : 149 ms
[2025-06-01 13:48:50] [INFO ] Flatten gal took : 61 ms
[2025-06-01 13:48:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8274781832581481180.gal : 21 ms
[2025-06-01 13:48:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16617245564639530554.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8274781832581481180.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16617245564639530554.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality16617245564639530554.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 442712 steps, run timeout after 3001 ms. (steps per millisecond=147 ) properties seen :0 out of 1
Probabilistic random walk after 442712 steps, saw 271469 distinct states, run finished after 3001 ms. (steps per millisecond=147 ) properties seen :0
[2025-06-01 13:48:53] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:48:53] [INFO ] Invariant cache hit.
[2025-06-01 13:48:53] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 655 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 661 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1329ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1082 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 50 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 52 ms. Remains : 415/415 places, 1206/1206 transitions.
RANDOM walk for 40001 steps (8 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 473944 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :0 out of 1
Probabilistic random walk after 473944 steps, saw 290620 distinct states, run finished after 3001 ms. (steps per millisecond=157 ) properties seen :0
[2025-06-01 13:48:59] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:48:59] [INFO ] Invariant cache hit.
[2025-06-01 13:48:59] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 650 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 578 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1240ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1083 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 61 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 49 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:49:01] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:49:01] [INFO ] Invariant cache hit.
[2025-06-01 13:49:02] [INFO ] Implicit Places using invariants in 552 ms returned []
[2025-06-01 13:49:02] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:49:02] [INFO ] Invariant cache hit.
[2025-06-01 13:49:02] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:49:04] [INFO ] Implicit Places using invariants and state equation in 2002 ms returned []
Implicit Place search using SMT with State Equation took 2576 ms to find 0 implicit places.
[2025-06-01 13:49:04] [INFO ] Redundant transitions in 20 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:49:04] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:49:04] [INFO ] Invariant cache hit.
[2025-06-01 13:49:04] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Detected timeout of ITS tools.
[2025-06-01 13:49:41] [INFO ] Flatten gal took : 36 ms
[2025-06-01 13:49:41] [INFO ] Applying decomposition
[2025-06-01 13:49:41] [INFO ] Flatten gal took : 36 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph1400105346896636716.txt' '-o' '/tmp/graph1400105346896636716.bin' '-w' '/tmp/graph1400105346896636716.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1400105346896636716.bin' '-l' '-1' '-v' '-w' '/tmp/graph1400105346896636716.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:49:41] [INFO ] Decomposing Gal with order
[2025-06-01 13:49:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:49:41] [INFO ] Removed a total of 2063 redundant transitions.
[2025-06-01 13:49:41] [INFO ] Flatten gal took : 76 ms
[2025-06-01 13:49:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 844 labels/synchronizations in 75 ms.
[2025-06-01 13:49:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6737420847877861156.gal : 8 ms
[2025-06-01 13:49:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15784760093999000224.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6737420847877861156.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15784760093999000224.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality15784760093999000224.prop.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30460 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66533ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66550ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69205 ms. Remains : 415/415 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 526 transitions
Reduce isomorphic transitions removed 526 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 415 transition count 670
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 546 place count 405 transition count 670
Performed 67 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 67 Pre rules applied. Total rules applied 546 place count 405 transition count 603
Deduced a syphon composed of 67 places in 1 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 680 place count 338 transition count 603
Performed 129 Post agglomeration using F-continuation condition.Transition count delta: 129
Deduced a syphon composed of 129 places in 0 ms
Reduce places removed 129 places and 0 transitions.
Iterating global reduction 2 with 258 rules applied. Total rules applied 938 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1002 place count 145 transition count 346
Iterating global reduction 2 with 64 rules applied. Total rules applied 1066 place count 145 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1067 place count 145 transition count 345
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1067 place count 145 transition count 344
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1069 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1132 place count 81 transition count 218
Iterating global reduction 3 with 63 rules applied. Total rules applied 1195 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1258 place count 18 transition count 92
Iterating global reduction 3 with 63 rules applied. Total rules applied 1321 place count 18 transition count 92
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1384 place count 18 transition count 29
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1384 place count 18 transition count 28
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1386 place count 17 transition count 28
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1389 place count 17 transition count 25
Applied a total of 1389 rules in 76 ms. Remains 17 /415 variables (removed 398) and now considering 25/1206 (removed 1181) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 25 rows 17 cols
[2025-06-01 13:50:10] [INFO ] Computed 3 invariants in 0 ms
[2025-06-01 13:50:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 13:50:10] [INFO ] After 12ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 13:50:10] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 13:50:10] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 13:50:10] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 13:50:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 13:50:11] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 13:50:11] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 13:50:11] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:50:11] [INFO ] After 46ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 13:50:11] [INFO ] Flatten gal took : 1 ms
[2025-06-01 13:50:11] [INFO ] Flatten gal took : 1 ms
[2025-06-01 13:50:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11146008270632809133.gal : 1 ms
[2025-06-01 13:50:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8653704166115005082.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11146008270632809133.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8653704166115005082.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality8653704166115005082.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 57539
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :57539 after 2.55463e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.55463e+06 after 7.32027e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :7.32027e+08 after 2.19884e+09
Detected timeout of ITS tools.
[2025-06-01 13:50:26] [INFO ] Flatten gal took : 1 ms
[2025-06-01 13:50:26] [INFO ] Applying decomposition
[2025-06-01 13:50:26] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph1087456580047535508.txt' '-o' '/tmp/graph1087456580047535508.bin' '-w' '/tmp/graph1087456580047535508.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1087456580047535508.bin' '-l' '-1' '-v' '-w' '/tmp/graph1087456580047535508.weights' '-q' '0' '-e' '0.001'
[2025-06-01 13:50:26] [INFO ] Decomposing Gal with order
[2025-06-01 13:50:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 13:50:26] [INFO ] Removed a total of 14 redundant transitions.
[2025-06-01 13:50:26] [INFO ] Flatten gal took : 2 ms
[2025-06-01 13:50:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-01 13:50:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11238961456733953652.gal : 1 ms
[2025-06-01 13:50:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1854638322029919657.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11238961456733953652.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1854638322029919657.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality1854638322029919657.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 90946
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :90946 after 1.46458e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.46458e+06 after 2.27928e+11
Detected timeout of ITS tools.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.27928e+11 after 1.07156e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30278 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[557] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-05 in 370167 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[128]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[128]
[2025-06-01 13:50:41] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-01 13:50:41] [INFO ] Computed 2 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[128]
RANDOM walk for 10003 steps (2 resets) in 43 ms. (227 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 13 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[128]
[2025-06-01 13:50:41] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:50:41] [INFO ] Invariant cache hit.
[2025-06-01 13:50:41] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:50:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:50:41] [INFO ] [Real]Absence check using state equation in 376 ms returned sat
[2025-06-01 13:50:41] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:50:41] [INFO ] [Real]Added 87 Read/Feed constraints in 97 ms returned sat
[2025-06-01 13:50:41] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:50:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:50:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:50:42] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 13:50:42] [INFO ] [Nat]Added 87 Read/Feed constraints in 120 ms returned sat
[2025-06-01 13:50:42] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 147 ms.
[2025-06-01 13:50:42] [INFO ] Added : 1 causal constraints over 1 iterations in 305 ms. Result :sat
Minimization took 600 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[128]
Support contains 1 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Graph (complete) has 2164 edges and 439 vertex of which 436 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 436 transition count 1254
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 431 transition count 1242
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 431 transition count 1242
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 431 transition count 1238
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 26 place count 426 transition count 1228
Iterating global reduction 2 with 5 rules applied. Total rules applied 31 place count 426 transition count 1228
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 34 place count 423 transition count 1220
Iterating global reduction 2 with 3 rules applied. Total rules applied 37 place count 423 transition count 1220
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 39 place count 421 transition count 1216
Iterating global reduction 2 with 2 rules applied. Total rules applied 41 place count 421 transition count 1216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 43 place count 419 transition count 1212
Iterating global reduction 2 with 2 rules applied. Total rules applied 45 place count 419 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 47 place count 417 transition count 1208
Iterating global reduction 2 with 2 rules applied. Total rules applied 49 place count 417 transition count 1208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 51 place count 415 transition count 1204
Iterating global reduction 2 with 2 rules applied. Total rules applied 53 place count 415 transition count 1204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 414 transition count 1202
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 414 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 56 place count 413 transition count 1200
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 413 transition count 1200
Applied a total of 57 rules in 249 ms. Remains 413 /439 variables (removed 26) and now considering 1200/1260 (removed 60) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 251 ms. Remains : 413/439 places, 1200/1260 transitions.
[2025-06-01 13:50:43] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2025-06-01 13:50:43] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[128]
RANDOM walk for 1000000 steps (2 resets) in 3026 ms. (330 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2114 ms. (472 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[128]
[2025-06-01 13:50:48] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 13:50:48] [INFO ] Invariant cache hit.
[2025-06-01 13:50:49] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:50:49] [INFO ] [Real]Absence check using state equation in 326 ms returned sat
[2025-06-01 13:50:49] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-01 13:50:49] [INFO ] [Real]Added 72 Read/Feed constraints in 91 ms returned sat
[2025-06-01 13:50:49] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:50:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:50:50] [INFO ] [Nat]Absence check using state equation in 383 ms returned sat
[2025-06-01 13:50:50] [INFO ] [Nat]Added 72 Read/Feed constraints in 96 ms returned sat
[2025-06-01 13:50:50] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 131 ms.
[2025-06-01 13:50:50] [INFO ] Added : 2 causal constraints over 1 iterations in 282 ms. Result :sat
Minimization took 508 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[128]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 51 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 49 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2025-06-01 13:50:51] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 13:50:51] [INFO ] Invariant cache hit.
[2025-06-01 13:50:52] [INFO ] Implicit Places using invariants in 875 ms returned []
[2025-06-01 13:50:52] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 13:50:52] [INFO ] Invariant cache hit.
[2025-06-01 13:50:53] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-01 13:50:54] [INFO ] Implicit Places using invariants and state equation in 2192 ms returned []
Implicit Place search using SMT with State Equation took 3080 ms to find 0 implicit places.
[2025-06-01 13:50:54] [INFO ] Redundant transitions in 18 ms returned []
Running 1198 sub problems to find dead transitions.
[2025-06-01 13:50:54] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 13:50:54] [INFO ] Invariant cache hit.
[2025-06-01 13:50:54] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 413/1088 variables, and 3 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/413 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 1198/1198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (OVERLAPS) 675/1088 variables, 413/416 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1088 variables, 72/488 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1088/1088 variables, and 1686 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30950 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1198/1198 constraints, Known Traps: 0/0 constraints]
After SMT, in 66853ms problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 66866ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70024 ms. Remains : 413/413 places, 1200/1200 transitions.
[2025-06-01 13:52:01] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 13:52:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[128]
FORMULA FunctionPointer-PT-c128-UpperBounds-06 128 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 2819 ms. (354 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 13:52:04] [INFO ] Flatten gal took : 56 ms
[2025-06-01 13:52:04] [INFO ] Flatten gal took : 60 ms
[2025-06-01 13:52:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10626519892224737145.gal : 8 ms
[2025-06-01 13:52:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1667064546922549071.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10626519892224737145.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1667064546922549071.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/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:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-06 in 83508 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:52:04] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-01 13:52:04] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 29 ms. (333 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]
[2025-06-01 13:52:04] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:52:04] [INFO ] Invariant cache hit.
[2025-06-01 13:52:04] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:52:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:52:05] [INFO ] [Real]Absence check using state equation in 322 ms returned sat
[2025-06-01 13:52:05] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:52:05] [INFO ] [Real]Added 87 Read/Feed constraints in 61 ms returned sat
[2025-06-01 13:52:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:52:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:52:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:52:05] [INFO ] [Nat]Absence check using state equation in 394 ms returned sat
[2025-06-01 13:52:05] [INFO ] [Nat]Added 87 Read/Feed constraints in 99 ms returned sat
[2025-06-01 13:52:06] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 143 ms.
[2025-06-01 13:52:06] [INFO ] Added : 2 causal constraints over 1 iterations in 305 ms. Result :sat
Minimization took 544 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 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 434 transition count 1248
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 434 transition count 1248
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 434 transition count 1244
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 19 place count 429 transition count 1234
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 429 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 27 place count 426 transition count 1226
Iterating global reduction 1 with 3 rules applied. Total rules applied 30 place count 426 transition count 1226
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 32 place count 424 transition count 1222
Iterating global reduction 1 with 2 rules applied. Total rules applied 34 place count 424 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 36 place count 422 transition count 1218
Iterating global reduction 1 with 2 rules applied. Total rules applied 38 place count 422 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 40 place count 420 transition count 1214
Iterating global reduction 1 with 2 rules applied. Total rules applied 42 place count 420 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 44 place count 418 transition count 1210
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 418 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 47 place count 417 transition count 1208
Iterating global reduction 1 with 1 rules applied. Total rules applied 48 place count 417 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 416 transition count 1206
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 416 transition count 1206
Applied a total of 50 rules in 246 ms. Remains 416 /439 variables (removed 23) and now considering 1206/1260 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 247 ms. Remains : 416/439 places, 1206/1260 transitions.
[2025-06-01 13:52:07] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 157 ms. (steps per millisecond=63 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 13:52:07] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2025-06-01 13:52:07] [INFO ] Computed 2 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 3374 ms. (296 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1873 ms. (533 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[55] Max Struct:[+inf]
[2025-06-01 13:52:12] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:52:12] [INFO ] Invariant cache hit.
[2025-06-01 13:52:13] [INFO ] [Real]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:52:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:52:13] [INFO ] [Real]Absence check using state equation in 353 ms returned sat
[2025-06-01 13:52:13] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:52:13] [INFO ] [Real]Added 75 Read/Feed constraints in 85 ms returned sat
[2025-06-01 13:52:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:52:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:52:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:52:14] [INFO ] [Nat]Absence check using state equation in 367 ms returned sat
[2025-06-01 13:52:14] [INFO ] [Nat]Added 75 Read/Feed constraints in 119 ms returned sat
[2025-06-01 13:52:14] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 145 ms.
[2025-06-01 13:52:14] [INFO ] Added : 3 causal constraints over 1 iterations in 305 ms. Result :sat
Minimization took 835 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[55] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[55] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 46 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:52:15] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:52:15] [INFO ] Invariant cache hit.
[2025-06-01 13:52:16] [INFO ] Implicit Places using invariants in 927 ms returned []
[2025-06-01 13:52:16] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:52:16] [INFO ] Invariant cache hit.
[2025-06-01 13:52:17] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:52:18] [INFO ] Implicit Places using invariants and state equation in 2407 ms returned []
Implicit Place search using SMT with State Equation took 3347 ms to find 0 implicit places.
[2025-06-01 13:52:18] [INFO ] Redundant transitions in 18 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:52:18] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:52:18] [INFO ] Invariant cache hit.
[2025-06-01 13:52:18] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1097 variables, 75/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30783 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66700ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66717ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70140 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 13:53:25] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 157 ms. (steps per millisecond=63 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[55] Max Struct:[+inf]
[2025-06-01 13:53:26] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:53:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[55] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3021 ms. (330 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1810 ms. (552 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[80] Max Struct:[+inf]
[2025-06-01 13:53:31] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:53:31] [INFO ] Invariant cache hit.
[2025-06-01 13:53:31] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:53:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:53:31] [INFO ] [Real]Absence check using state equation in 356 ms returned sat
[2025-06-01 13:53:31] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:53:31] [INFO ] [Real]Added 75 Read/Feed constraints in 147 ms returned sat
[2025-06-01 13:53:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:53:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:53:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:53:32] [INFO ] [Nat]Absence check using state equation in 361 ms returned sat
[2025-06-01 13:53:32] [INFO ] [Nat]Added 75 Read/Feed constraints in 109 ms returned sat
[2025-06-01 13:53:32] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 154 ms.
[2025-06-01 13:53:32] [INFO ] Added : 3 causal constraints over 1 iterations in 315 ms. Result :sat
Minimization took 790 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[80] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[80] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 95 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 95 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 71 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:53:33] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:53:33] [INFO ] Invariant cache hit.
[2025-06-01 13:53:34] [INFO ] Implicit Places using invariants in 959 ms returned []
[2025-06-01 13:53:34] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:53:34] [INFO ] Invariant cache hit.
[2025-06-01 13:53:35] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:53:37] [INFO ] Implicit Places using invariants and state equation in 2437 ms returned []
Implicit Place search using SMT with State Equation took 3397 ms to find 0 implicit places.
[2025-06-01 13:53:37] [INFO ] Redundant transitions in 18 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:53:37] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:53:37] [INFO ] Invariant cache hit.
[2025-06-01 13:53:37] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1097 variables, 75/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30674 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 65794ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 65808ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69309 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 13:54:42] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 149 ms. (steps per millisecond=67 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[80] Max Struct:[+inf]
[2025-06-01 13:54:43] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:54:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[80] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2177 ms. (459 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1815 ms. (550 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[109] Max Struct:[+inf]
[2025-06-01 13:54:47] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:54:47] [INFO ] Invariant cache hit.
[2025-06-01 13:54:47] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:54:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:54:48] [INFO ] [Real]Absence check using state equation in 349 ms returned sat
[2025-06-01 13:54:48] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:54:48] [INFO ] [Real]Added 75 Read/Feed constraints in 173 ms returned sat
[2025-06-01 13:54:48] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:54:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:54:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:54:48] [INFO ] [Nat]Absence check using state equation in 371 ms returned sat
[2025-06-01 13:54:48] [INFO ] [Nat]Added 75 Read/Feed constraints in 113 ms returned sat
[2025-06-01 13:54:49] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 128 ms.
[2025-06-01 13:54:49] [INFO ] Added : 3 causal constraints over 1 iterations in 274 ms. Result :sat
Minimization took 777 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[109] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[109] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 57 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:54:50] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:54:50] [INFO ] Invariant cache hit.
[2025-06-01 13:54:50] [INFO ] Implicit Places using invariants in 670 ms returned []
[2025-06-01 13:54:50] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:54:50] [INFO ] Invariant cache hit.
[2025-06-01 13:54:51] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:54:53] [INFO ] Implicit Places using invariants and state equation in 2512 ms returned []
Implicit Place search using SMT with State Equation took 3184 ms to find 0 implicit places.
[2025-06-01 13:54:53] [INFO ] Redundant transitions in 29 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:54:53] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:54:53] [INFO ] Invariant cache hit.
[2025-06-01 13:54:53] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1097 variables, 75/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30991 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66723ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66742ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70013 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 13:56:00] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 162 ms. (steps per millisecond=61 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[109] Max Struct:[+inf]
[2025-06-01 13:56:00] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:56:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[109] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3055 ms. (327 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1839 ms. (543 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[109] Max Struct:[+inf]
[2025-06-01 13:56:05] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:56:05] [INFO ] Invariant cache hit.
[2025-06-01 13:56:05] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2025-06-01 13:56:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:56:05] [INFO ] [Real]Absence check using state equation in 223 ms returned sat
[2025-06-01 13:56:05] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:56:06] [INFO ] [Real]Added 75 Read/Feed constraints in 133 ms returned sat
[2025-06-01 13:56:06] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:56:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 8 ms returned sat
[2025-06-01 13:56:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 13:56:06] [INFO ] [Nat]Absence check using state equation in 373 ms returned sat
[2025-06-01 13:56:06] [INFO ] [Nat]Added 75 Read/Feed constraints in 106 ms returned sat
[2025-06-01 13:56:06] [INFO ] Computed and/alt/rep : 334/1253/332 causal constraints (skipped 347 transitions) in 129 ms.
[2025-06-01 13:56:07] [INFO ] Added : 3 causal constraints over 1 iterations in 284 ms. Result :sat
Minimization took 862 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[109] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[109] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 48 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 55 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:56:08] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:56:08] [INFO ] Invariant cache hit.
[2025-06-01 13:56:08] [INFO ] Implicit Places using invariants in 899 ms returned []
[2025-06-01 13:56:08] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:56:08] [INFO ] Invariant cache hit.
[2025-06-01 13:56:09] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 13:56:11] [INFO ] Implicit Places using invariants and state equation in 2841 ms returned []
Implicit Place search using SMT with State Equation took 3742 ms to find 0 implicit places.
[2025-06-01 13:56:11] [INFO ] Redundant transitions in 31 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:56:11] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:56:11] [INFO ] Invariant cache hit.
[2025-06-01 13:56:11] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 2 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1097 variables, 75/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30700 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66689ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66709ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70549 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 13:57:18] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {220=1, 304=1, 502=1, 676=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {208=1, 292=1, 490=1, 676=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 147 ms. (steps per millisecond=68 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[109] Max Struct:[+inf]
[2025-06-01 13:57:19] [INFO ] Flatten gal took : 48 ms
RANDOM walk for 40001 steps (8 resets) in 295 ms. (135 steps per ms) remains 1/1 properties
[2025-06-01 13:57:19] [INFO ] Flatten gal took : 48 ms
[2025-06-01 13:57:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1125315703374774178.gal : 9 ms
[2025-06-01 13:57:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1425456923405670978.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1125315703374774178.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1425456923405670978.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality1425456923405670978.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 463172 steps, run timeout after 3001 ms. (steps per millisecond=154 ) properties seen :0 out of 1
Probabilistic random walk after 463172 steps, saw 284014 distinct states, run finished after 3001 ms. (steps per millisecond=154 ) properties seen :0
[2025-06-01 13:57:22] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 13:57:22] [INFO ] Invariant cache hit.
[2025-06-01 13:57:22] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 62/1014 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1014 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/1015 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 562 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 208/212 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 740/952 variables, 337/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 75/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/952 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 62/1014 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1014 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1083 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1083 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1091 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1091 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1097 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 579 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1149ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1210 steps, including 0 resets, run visited all 1 properties in 17 ms. (steps per millisecond=71 )
Parikh walk visited 1 properties in 31 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:[109] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-07 in 318813 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:57:23] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-01 13:57:23] [INFO ] Computed 2 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 44 ms. (222 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 13 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 13:57:23] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 13:57:23] [INFO ] Invariant cache hit.
[2025-06-01 13:57:23] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-01 13:57:23] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:57:23] [INFO ] [Real]Absence check using state equation in 312 ms returned sat
[2025-06-01 13:57:23] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 13:57:24] [INFO ] [Real]Added 87 Read/Feed constraints in 58 ms returned sat
[2025-06-01 13:57:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:57:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 13:57:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 13:57:24] [INFO ] [Nat]Absence check using state equation in 382 ms returned sat
[2025-06-01 13:57:24] [INFO ] [Nat]Added 87 Read/Feed constraints in 75 ms returned sat
[2025-06-01 13:57:24] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 133 ms.
[2025-06-01 13:57:25] [INFO ] Added : 4 causal constraints over 3 iterations in 459 ms. Result :sat
Minimization took 638 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 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Graph (complete) has 2164 edges and 439 vertex of which 436 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 436 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 11 place count 432 transition count 1244
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 432 transition count 1244
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 17 place count 432 transition count 1242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 21 place count 428 transition count 1234
Iterating global reduction 2 with 4 rules applied. Total rules applied 25 place count 428 transition count 1234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 28 place count 425 transition count 1226
Iterating global reduction 2 with 3 rules applied. Total rules applied 31 place count 425 transition count 1226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 423 transition count 1222
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 423 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 37 place count 421 transition count 1218
Iterating global reduction 2 with 2 rules applied. Total rules applied 39 place count 421 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 41 place count 419 transition count 1214
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 419 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 45 place count 417 transition count 1210
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 417 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 416 transition count 1208
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 416 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 415 transition count 1206
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 415 transition count 1206
Applied a total of 51 rules in 241 ms. Remains 415 /439 variables (removed 24) and now considering 1206/1260 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 245 ms. Remains : 415/439 places, 1206/1260 transitions.
[2025-06-01 13:57:26] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 152 ms. (steps per millisecond=65 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 13:57:27] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2025-06-01 13:57:27] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 2866 ms. (348 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1835 ms. (544 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[568] Max Struct:[+inf]
[2025-06-01 13:57:31] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:57:31] [INFO ] Invariant cache hit.
[2025-06-01 13:57:31] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 13:57:32] [INFO ] [Real]Absence check using state equation in 210 ms returned sat
[2025-06-01 13:57:32] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:57:32] [INFO ] [Real]Added 74 Read/Feed constraints in 52 ms returned sat
[2025-06-01 13:57:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:57:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 13:57:32] [INFO ] [Nat]Absence check using state equation in 231 ms returned sat
[2025-06-01 13:57:32] [INFO ] [Nat]Added 74 Read/Feed constraints in 55 ms returned sat
[2025-06-01 13:57:32] [INFO ] Deduced a trap composed of 71 places in 442 ms of which 7 ms to minimize.
[2025-06-01 13:57:33] [INFO ] Deduced a trap composed of 73 places in 598 ms of which 7 ms to minimize.
[2025-06-01 13:57:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1141 ms
[2025-06-01 13:57:33] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 128 ms.
[2025-06-01 13:57:34] [INFO ] Deduced a trap composed of 220 places in 601 ms of which 7 ms to minimize.
[2025-06-01 13:57:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 717 ms
[2025-06-01 13:57:34] [INFO ] Added : 6 causal constraints over 3 iterations in 1188 ms. Result :sat
Minimization took 523 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[568] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[568] 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 46 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 48 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 54 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:57:40] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:57:40] [INFO ] Invariant cache hit.
[2025-06-01 13:57:40] [INFO ] Implicit Places using invariants in 682 ms returned []
[2025-06-01 13:57:40] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:57:40] [INFO ] Invariant cache hit.
[2025-06-01 13:57:41] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:57:43] [INFO ] Implicit Places using invariants and state equation in 2721 ms returned []
Implicit Place search using SMT with State Equation took 3405 ms to find 0 implicit places.
[2025-06-01 13:57:43] [INFO ] Redundant transitions in 31 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:57:43] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:57:43] [INFO ] Invariant cache hit.
[2025-06-01 13:57:43] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30839 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66724ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66745ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70247 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-01 13:58:50] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 152 ms. (steps per millisecond=65 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[568] Max Struct:[+inf]
[2025-06-01 13:58:51] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:58:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[568] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3129 ms. (319 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1777 ms. (562 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[598] Max Struct:[+inf]
[2025-06-01 13:58:56] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:58:56] [INFO ] Invariant cache hit.
[2025-06-01 13:58:56] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 13:58:56] [INFO ] [Real]Absence check using state equation in 352 ms returned sat
[2025-06-01 13:58:56] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:58:56] [INFO ] [Real]Added 74 Read/Feed constraints in 95 ms returned sat
[2025-06-01 13:58:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 13:58:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 13:58:57] [INFO ] [Nat]Absence check using state equation in 340 ms returned sat
[2025-06-01 13:58:57] [INFO ] [Nat]Added 74 Read/Feed constraints in 83 ms returned sat
[2025-06-01 13:58:57] [INFO ] Deduced a trap composed of 71 places in 581 ms of which 7 ms to minimize.
[2025-06-01 13:58:58] [INFO ] Deduced a trap composed of 73 places in 569 ms of which 6 ms to minimize.
[2025-06-01 13:58:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1268 ms
[2025-06-01 13:58:58] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 129 ms.
[2025-06-01 13:58:59] [INFO ] Deduced a trap composed of 220 places in 565 ms of which 6 ms to minimize.
[2025-06-01 13:58:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 681 ms
[2025-06-01 13:58:59] [INFO ] Added : 6 causal constraints over 3 iterations in 1150 ms. Result :sat
Minimization took 529 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[598] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[598] 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 48 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 48 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 49 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 13:59:04] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:59:04] [INFO ] Invariant cache hit.
[2025-06-01 13:59:05] [INFO ] Implicit Places using invariants in 864 ms returned []
[2025-06-01 13:59:05] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:59:05] [INFO ] Invariant cache hit.
[2025-06-01 13:59:06] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 13:59:08] [INFO ] Implicit Places using invariants and state equation in 2717 ms returned []
Implicit Place search using SMT with State Equation took 3588 ms to find 0 implicit places.
[2025-06-01 13:59:08] [INFO ] Redundant transitions in 31 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 13:59:08] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 13:59:08] [INFO ] Invariant cache hit.
[2025-06-01 13:59:08] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30901 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 67241ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 67265ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70945 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-01 14:00:15] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 152 ms. (steps per millisecond=65 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[598] Max Struct:[+inf]
[2025-06-01 14:00:16] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:00:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[598] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3040 ms. (328 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1838 ms. (543 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[598] Max Struct:[+inf]
[2025-06-01 14:00:21] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:00:21] [INFO ] Invariant cache hit.
[2025-06-01 14:00:21] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 14:00:21] [INFO ] [Real]Absence check using state equation in 241 ms returned sat
[2025-06-01 14:00:22] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:00:22] [INFO ] [Real]Added 74 Read/Feed constraints in 65 ms returned sat
[2025-06-01 14:00:22] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:00:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 14:00:22] [INFO ] [Nat]Absence check using state equation in 358 ms returned sat
[2025-06-01 14:00:22] [INFO ] [Nat]Added 74 Read/Feed constraints in 75 ms returned sat
[2025-06-01 14:00:23] [INFO ] Deduced a trap composed of 71 places in 591 ms of which 7 ms to minimize.
[2025-06-01 14:00:23] [INFO ] Deduced a trap composed of 73 places in 584 ms of which 7 ms to minimize.
[2025-06-01 14:00:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1293 ms
[2025-06-01 14:00:24] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 131 ms.
[2025-06-01 14:00:24] [INFO ] Deduced a trap composed of 220 places in 594 ms of which 7 ms to minimize.
[2025-06-01 14:00:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 703 ms
[2025-06-01 14:00:25] [INFO ] Added : 6 causal constraints over 3 iterations in 1175 ms. Result :sat
Minimization took 521 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[598] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[598] 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 47 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 47 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 47 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 14:00:30] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:00:30] [INFO ] Invariant cache hit.
[2025-06-01 14:00:30] [INFO ] Implicit Places using invariants in 572 ms returned []
[2025-06-01 14:00:30] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:00:30] [INFO ] Invariant cache hit.
[2025-06-01 14:00:31] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:00:32] [INFO ] Implicit Places using invariants and state equation in 1860 ms returned []
Implicit Place search using SMT with State Equation took 2437 ms to find 0 implicit places.
[2025-06-01 14:00:32] [INFO ] Redundant transitions in 19 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 14:00:32] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:00:32] [INFO ] Invariant cache hit.
[2025-06-01 14:00:32] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 31117 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66272ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66284ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68796 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-01 14:01:39] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[598] Max Struct:[+inf]
[2025-06-01 14:01:40] [INFO ] Flatten gal took : 47 ms
RANDOM walk for 40003 steps (8 resets) in 233 ms. (170 steps per ms) remains 1/1 properties
[2025-06-01 14:01:40] [INFO ] Flatten gal took : 48 ms
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
[2025-06-01 14:01:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16017759623007171902.gal : 9 ms
[2025-06-01 14:01:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17962180614169857033.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16017759623007171902.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17962180614169857033.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality17962180614169857033.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 476950 steps, run timeout after 3001 ms. (steps per millisecond=158 ) properties seen :0 out of 1
Probabilistic random walk after 476950 steps, saw 292463 distinct states, run finished after 3001 ms. (steps per millisecond=158 ) properties seen :0
[2025-06-01 14:01:43] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:01:43] [INFO ] Invariant cache hit.
[2025-06-01 14:01:43] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 474 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 697 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1180ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 506 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 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 47 ms. Remains : 415/415 places, 1206/1206 transitions.
RANDOM walk for 40000 steps (8 resets) in 226 ms. (176 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 463409 steps, run timeout after 3001 ms. (steps per millisecond=154 ) properties seen :0 out of 1
Probabilistic random walk after 463409 steps, saw 284159 distinct states, run finished after 3001 ms. (steps per millisecond=154 ) properties seen :0
[2025-06-01 14:01:47] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:01:47] [INFO ] Invariant cache hit.
[2025-06-01 14:01:47] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 450 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 692 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1153ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
Parikh walk visited 0 properties in 523 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 53 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 53 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 50 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 14:01:49] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:01:49] [INFO ] Invariant cache hit.
[2025-06-01 14:01:50] [INFO ] Implicit Places using invariants in 732 ms returned []
[2025-06-01 14:01:50] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:01:50] [INFO ] Invariant cache hit.
[2025-06-01 14:01:50] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:01:52] [INFO ] Implicit Places using invariants and state equation in 1957 ms returned []
Implicit Place search using SMT with State Equation took 2695 ms to find 0 implicit places.
[2025-06-01 14:01:52] [INFO ] Redundant transitions in 19 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 14:01:52] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 14:01:52] [INFO ] Invariant cache hit.
[2025-06-01 14:01:52] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Detected timeout of ITS tools.
[2025-06-01 14:02:30] [INFO ] Flatten gal took : 27 ms
[2025-06-01 14:02:30] [INFO ] Applying decomposition
[2025-06-01 14:02:30] [INFO ] Flatten gal took : 27 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph1642860211535480900.txt' '-o' '/tmp/graph1642860211535480900.bin' '-w' '/tmp/graph1642860211535480900.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1642860211535480900.bin' '-l' '-1' '-v' '-w' '/tmp/graph1642860211535480900.weights' '-q' '0' '-e' '0.001'
[2025-06-01 14:02:30] [INFO ] Decomposing Gal with order
[2025-06-01 14:02:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 14:02:30] [INFO ] Removed a total of 2064 redundant transitions.
[2025-06-01 14:02:30] [INFO ] Flatten gal took : 131 ms
[2025-06-01 14:02:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 857 labels/synchronizations in 157 ms.
[2025-06-01 14:02:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13341558693635032136.gal : 29 ms
[2025-06-01 14:02:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4741701443880594911.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13341558693635032136.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4741701443880594911.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality4741701443880594911.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 680/1095 variables, 415/418 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1095 variables, 74/492 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1095 variables, 1204/1696 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66238ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66251ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69024 ms. Remains : 415/415 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 526 transitions
Reduce isomorphic transitions removed 526 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 415 transition count 670
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 546 place count 405 transition count 670
Performed 67 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 67 Pre rules applied. Total rules applied 546 place count 405 transition count 603
Deduced a syphon composed of 67 places in 1 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 680 place count 338 transition count 603
Performed 129 Post agglomeration using F-continuation condition.Transition count delta: 129
Deduced a syphon composed of 129 places in 0 ms
Reduce places removed 129 places and 0 transitions.
Iterating global reduction 2 with 258 rules applied. Total rules applied 938 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1002 place count 145 transition count 346
Iterating global reduction 2 with 64 rules applied. Total rules applied 1066 place count 145 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1067 place count 145 transition count 345
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1067 place count 145 transition count 344
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1069 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1132 place count 81 transition count 218
Iterating global reduction 3 with 63 rules applied. Total rules applied 1195 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1258 place count 18 transition count 92
Iterating global reduction 3 with 63 rules applied. Total rules applied 1321 place count 18 transition count 92
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1384 place count 18 transition count 29
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1384 place count 18 transition count 28
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1386 place count 17 transition count 28
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1389 place count 17 transition count 25
Applied a total of 1389 rules in 55 ms. Remains 17 /415 variables (removed 398) and now considering 25/1206 (removed 1181) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 25 rows 17 cols
[2025-06-01 14:02:58] [INFO ] Computed 3 invariants in 0 ms
[2025-06-01 14:02:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 14:02:58] [INFO ] After 14ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 14:02:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 14:02:58] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 14:02:58] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 14:02:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 14:02:58] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 14:02:58] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 14:02:58] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 14:02:58] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 14:02:58] [INFO ] Flatten gal took : 2 ms
[2025-06-01 14:02:58] [INFO ] Flatten gal took : 2 ms
[2025-06-01 14:02:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10554700388668683241.gal : 1 ms
[2025-06-01 14:02:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7514927487159176817.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10554700388668683241.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7514927487159176817.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7514927487159176817.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 57539
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :57539 after 2.55463e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.55463e+06 after 7.32027e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :7.32027e+08 after 2.19884e+09
Detected timeout of ITS tools.
[2025-06-01 14:03:13] [INFO ] Flatten gal took : 1 ms
[2025-06-01 14:03:13] [INFO ] Applying decomposition
[2025-06-01 14:03:13] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph4697989311970477154.txt' '-o' '/tmp/graph4697989311970477154.bin' '-w' '/tmp/graph4697989311970477154.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph4697989311970477154.bin' '-l' '-1' '-v' '-w' '/tmp/graph4697989311970477154.weights' '-q' '0' '-e' '0.001'
[2025-06-01 14:03:13] [INFO ] Decomposing Gal with order
[2025-06-01 14:03:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 14:03:13] [INFO ] Removed a total of 14 redundant transitions.
[2025-06-01 14:03:13] [INFO ] Flatten gal took : 4 ms
[2025-06-01 14:03:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-01 14:03:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13704225517823581953.gal : 1 ms
[2025-06-01 14:03:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11786067812329612913.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13704225517823581953.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11786067812329612913.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality11786067812329612913.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 81290
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :81290 after 4.73465e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.73465e+06 after 5.30059e+11
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.30059e+11 after 1.37705e+13
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30240 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[598] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-09 in 365519 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 14:03:28] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-01 14:03:28] [INFO ] Computed 2 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 27 ms. (357 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 14:03:29] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 14:03:29] [INFO ] Invariant cache hit.
[2025-06-01 14:03:29] [INFO ] [Real]Absence check using 1 positive place invariants in 10 ms returned sat
[2025-06-01 14:03:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 14:03:29] [INFO ] [Real]Absence check using state equation in 359 ms returned sat
[2025-06-01 14:03:29] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 14:03:29] [INFO ] [Real]Added 87 Read/Feed constraints in 72 ms returned sat
[2025-06-01 14:03:29] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:03:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 14:03:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 14:03:30] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-01 14:03:30] [INFO ] [Nat]Added 87 Read/Feed constraints in 53 ms returned sat
[2025-06-01 14:03:30] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 135 ms.
[2025-06-01 14:03:30] [INFO ] Added : 3 causal constraints over 2 iterations in 398 ms. Result :sat
Minimization took 653 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 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Graph (complete) has 2164 edges and 439 vertex of which 436 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 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 436 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 11 place count 432 transition count 1244
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 432 transition count 1244
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 19 place count 432 transition count 1240
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 23 place count 428 transition count 1232
Iterating global reduction 2 with 4 rules applied. Total rules applied 27 place count 428 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 29 place count 426 transition count 1226
Iterating global reduction 2 with 2 rules applied. Total rules applied 31 place count 426 transition count 1226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 424 transition count 1222
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 424 transition count 1222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 37 place count 422 transition count 1218
Iterating global reduction 2 with 2 rules applied. Total rules applied 39 place count 422 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 41 place count 420 transition count 1214
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 420 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 45 place count 418 transition count 1210
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 418 transition count 1210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 417 transition count 1208
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 417 transition count 1208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 416 transition count 1206
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 416 transition count 1206
Applied a total of 51 rules in 181 ms. Remains 416 /439 variables (removed 23) and now considering 1206/1260 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 416/439 places, 1206/1260 transitions.
[2025-06-01 14:03:31] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 14:03:32] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2025-06-01 14:03:32] [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 3320 ms. (301 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1907 ms. (524 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[502] Max Struct:[+inf]
[2025-06-01 14:03:37] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:03:37] [INFO ] Invariant cache hit.
[2025-06-01 14:03:37] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 14:03:37] [INFO ] [Real]Absence check using state equation in 248 ms returned sat
[2025-06-01 14:03:37] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:03:37] [INFO ] [Real]Added 74 Read/Feed constraints in 69 ms returned sat
[2025-06-01 14:03:38] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:03:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 14:03:38] [INFO ] [Nat]Absence check using state equation in 367 ms returned sat
[2025-06-01 14:03:38] [INFO ] [Nat]Added 74 Read/Feed constraints in 80 ms returned sat
[2025-06-01 14:03:39] [INFO ] Deduced a trap composed of 71 places in 609 ms of which 7 ms to minimize.
[2025-06-01 14:03:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 690 ms
[2025-06-01 14:03:39] [INFO ] Computed and/alt/rep : 330/1240/330 causal constraints (skipped 349 transitions) in 155 ms.
[2025-06-01 14:03:39] [INFO ] Added : 6 causal constraints over 3 iterations in 497 ms. Result :sat
Minimization took 521 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[502] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[502] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 14:03:42] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:03:42] [INFO ] Invariant cache hit.
[2025-06-01 14:03:43] [INFO ] Implicit Places using invariants in 941 ms returned []
[2025-06-01 14:03:43] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:03:43] [INFO ] Invariant cache hit.
[2025-06-01 14:03:44] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:03:46] [INFO ] Implicit Places using invariants and state equation in 2813 ms returned []
Implicit Place search using SMT with State Equation took 3756 ms to find 0 implicit places.
[2025-06-01 14:03:46] [INFO ] Redundant transitions in 31 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 14:03:46] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:03:46] [INFO ] Invariant cache hit.
[2025-06-01 14:03:46] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 681/1097 variables, 416/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1097 variables, 74/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30698 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66439ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66459ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70304 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 14:04:53] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 149 ms. (steps per millisecond=67 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[502] Max Struct:[+inf]
[2025-06-01 14:04:53] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:04:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[502] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3502 ms. (285 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1890 ms. (528 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[505] Max Struct:[+inf]
[2025-06-01 14:04:59] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:04:59] [INFO ] Invariant cache hit.
[2025-06-01 14:04:59] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 14:04:59] [INFO ] [Real]Absence check using state equation in 339 ms returned sat
[2025-06-01 14:04:59] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:04:59] [INFO ] [Real]Added 74 Read/Feed constraints in 69 ms returned sat
[2025-06-01 14:04:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:04:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 14:05:00] [INFO ] [Nat]Absence check using state equation in 366 ms returned sat
[2025-06-01 14:05:00] [INFO ] [Nat]Added 74 Read/Feed constraints in 83 ms returned sat
[2025-06-01 14:05:00] [INFO ] Deduced a trap composed of 71 places in 582 ms of which 7 ms to minimize.
[2025-06-01 14:05:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 662 ms
[2025-06-01 14:05:01] [INFO ] Computed and/alt/rep : 330/1240/330 causal constraints (skipped 349 transitions) in 139 ms.
[2025-06-01 14:05:01] [INFO ] Added : 6 causal constraints over 3 iterations in 476 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[505] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[505] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 59 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 56 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 14:05:04] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:05:04] [INFO ] Invariant cache hit.
[2025-06-01 14:05:05] [INFO ] Implicit Places using invariants in 859 ms returned []
[2025-06-01 14:05:05] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:05:05] [INFO ] Invariant cache hit.
[2025-06-01 14:05:05] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:05:08] [INFO ] Implicit Places using invariants and state equation in 2879 ms returned []
Implicit Place search using SMT with State Equation took 3739 ms to find 0 implicit places.
[2025-06-01 14:05:08] [INFO ] Redundant transitions in 31 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 14:05:08] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:05:08] [INFO ] Invariant cache hit.
[2025-06-01 14:05:08] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 681/1097 variables, 416/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1097 variables, 74/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30880 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66949ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66969ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70807 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 14:06:15] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 157 ms. (steps per millisecond=63 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[505] Max Struct:[+inf]
[2025-06-01 14:06:15] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:06:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[505] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3225 ms. (309 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1795 ms. (556 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[505] Max Struct:[+inf]
[2025-06-01 14:06:20] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:06:20] [INFO ] Invariant cache hit.
[2025-06-01 14:06:20] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 14:06:21] [INFO ] [Real]Absence check using state equation in 362 ms returned sat
[2025-06-01 14:06:21] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:06:21] [INFO ] [Real]Added 74 Read/Feed constraints in 64 ms returned sat
[2025-06-01 14:06:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:06:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 14:06:21] [INFO ] [Nat]Absence check using state equation in 339 ms returned sat
[2025-06-01 14:06:22] [INFO ] [Nat]Added 74 Read/Feed constraints in 81 ms returned sat
[2025-06-01 14:06:22] [INFO ] Deduced a trap composed of 71 places in 573 ms of which 8 ms to minimize.
[2025-06-01 14:06:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 657 ms
[2025-06-01 14:06:22] [INFO ] Computed and/alt/rep : 330/1240/330 causal constraints (skipped 349 transitions) in 127 ms.
[2025-06-01 14:06:23] [INFO ] Added : 6 causal constraints over 3 iterations in 469 ms. Result :sat
Minimization took 535 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[505] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[505] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 14:06:26] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:06:26] [INFO ] Invariant cache hit.
[2025-06-01 14:06:27] [INFO ] Implicit Places using invariants in 872 ms returned []
[2025-06-01 14:06:27] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:06:27] [INFO ] Invariant cache hit.
[2025-06-01 14:06:27] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:06:29] [INFO ] Implicit Places using invariants and state equation in 2396 ms returned []
Implicit Place search using SMT with State Equation took 3271 ms to find 0 implicit places.
[2025-06-01 14:06:29] [INFO ] Redundant transitions in 18 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 14:06:29] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:06:29] [INFO ] Invariant cache hit.
[2025-06-01 14:06:29] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 681/1097 variables, 416/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1097 variables, 74/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30818 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 66475ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66487ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69830 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 14:07:36] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 147 ms. (steps per millisecond=68 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[505] Max Struct:[+inf]
[2025-06-01 14:07:36] [INFO ] Flatten gal took : 49 ms
RANDOM walk for 40001 steps (8 resets) in 214 ms. (186 steps per ms) remains 1/1 properties
[2025-06-01 14:07:36] [INFO ] Flatten gal took : 48 ms
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
[2025-06-01 14:07:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17290350440591640670.gal : 8 ms
[2025-06-01 14:07:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17890112330925158778.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17290350440591640670.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17890112330925158778.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality17890112330925158778.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 486568 steps, run timeout after 3001 ms. (steps per millisecond=162 ) properties seen :0 out of 1
Probabilistic random walk after 486568 steps, saw 298360 distinct states, run finished after 3001 ms. (steps per millisecond=162 ) properties seen :0
[2025-06-01 14:07:39] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:07:39] [INFO ] Invariant cache hit.
[2025-06-01 14:07:39] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/355 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 598/953 variables, 332/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/953 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 62/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 622 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/355 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 598/953 variables, 332/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/953 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1091 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1091 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1097 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 493 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1127ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2365 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 416/416 places, 1206/1206 transitions.
RANDOM walk for 40001 steps (8 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
Interrupted probabilistic random walk after 392296 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 392296 steps, saw 240557 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2025-06-01 14:07:46] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:07:46] [INFO ] Invariant cache hit.
[2025-06-01 14:07:46] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/355 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 598/953 variables, 332/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/953 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 62/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/355 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 598/953 variables, 332/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/953 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1091 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1091 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1097 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 543 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1058ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2605 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 79 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 74 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 14:07:50] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:07:50] [INFO ] Invariant cache hit.
[2025-06-01 14:07:51] [INFO ] Implicit Places using invariants in 728 ms returned []
[2025-06-01 14:07:51] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:07:51] [INFO ] Invariant cache hit.
[2025-06-01 14:07:51] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 14:07:53] [INFO ] Implicit Places using invariants and state equation in 2102 ms returned []
Implicit Place search using SMT with State Equation took 2833 ms to find 0 implicit places.
[2025-06-01 14:07:53] [INFO ] Redundant transitions in 31 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 14:07:53] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 14:07:53] [INFO ] Invariant cache hit.
[2025-06-01 14:07:53] [INFO ] State equation strengthened by 74 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Detected timeout of ITS tools.
[2025-06-01 14:08:27] [INFO ] Flatten gal took : 47 ms
[2025-06-01 14:08:27] [INFO ] Applying decomposition
[2025-06-01 14:08:27] [INFO ] Flatten gal took : 49 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph1852064562689092131.txt' '-o' '/tmp/graph1852064562689092131.bin' '-w' '/tmp/graph1852064562689092131.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1852064562689092131.bin' '-l' '-1' '-v' '-w' '/tmp/graph1852064562689092131.weights' '-q' '0' '-e' '0.001'
[2025-06-01 14:08:27] [INFO ] Decomposing Gal with order
[2025-06-01 14:08:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 14:08:27] [INFO ] Removed a total of 2064 redundant transitions.
[2025-06-01 14:08:27] [INFO ] Flatten gal took : 94 ms
[2025-06-01 14:08:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 875 labels/synchronizations in 43 ms.
[2025-06-01 14:08:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6427385939777606864.gal : 10 ms
[2025-06-01 14:08:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15242194407802917780.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6427385939777606864.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15242194407802917780.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality15242194407802917780.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 3 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (OVERLAPS) 681/1097 variables, 416/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1097 variables, 74/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30836 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 0/0 constraints]
After SMT, in 67361ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 67393ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70341 ms. Remains : 416/416 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 525 transitions
Reduce isomorphic transitions removed 525 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 416 transition count 670
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 547 place count 405 transition count 670
Performed 69 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 69 Pre rules applied. Total rules applied 547 place count 405 transition count 601
Deduced a syphon composed of 69 places in 0 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 2 with 138 rules applied. Total rules applied 685 place count 336 transition count 601
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 939 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1003 place count 145 transition count 346
Iterating global reduction 2 with 64 rules applied. Total rules applied 1067 place count 145 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1068 place count 145 transition count 345
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1068 place count 145 transition count 344
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1070 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1133 place count 81 transition count 218
Iterating global reduction 3 with 63 rules applied. Total rules applied 1196 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1259 place count 18 transition count 92
Iterating global reduction 3 with 63 rules applied. Total rules applied 1322 place count 18 transition count 92
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1385 place count 18 transition count 29
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1385 place count 18 transition count 28
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1387 place count 17 transition count 28
Applied a total of 1387 rules in 34 ms. Remains 17 /416 variables (removed 399) and now considering 28/1206 (removed 1178) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 28 rows 17 cols
[2025-06-01 14:09:00] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 14:09:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 14:09:00] [INFO ] After 34ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 14:09:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 14:09:00] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 14:09:00] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 14:09:00] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 14:09:00] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 14:09:00] [INFO ] After 43ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 14:09:00] [INFO ] Flatten gal took : 1 ms
[2025-06-01 14:09:00] [INFO ] Flatten gal took : 0 ms
[2025-06-01 14:09:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9185109117192631665.gal : 1 ms
[2025-06-01 14:09:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2053596572053494249.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9185109117192631665.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2053596572053494249.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2053596572053494249.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 57539
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :57539 after 3.245e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.245e+06 after 3.70307e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.70307e+08 after 1.10371e+09
Detected timeout of ITS tools.
[2025-06-01 14:09:15] [INFO ] Flatten gal took : 1 ms
[2025-06-01 14:09:15] [INFO ] Applying decomposition
[2025-06-01 14:09:15] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph17934025870620366330.txt' '-o' '/tmp/graph17934025870620366330.bin' '-w' '/tmp/graph17934025870620366330.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph17934025870620366330.bin' '-l' '-1' '-v' '-w' '/tmp/graph17934025870620366330.weights' '-q' '0' '-e' '0.001'
[2025-06-01 14:09:15] [INFO ] Decomposing Gal with order
[2025-06-01 14:09:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 14:09:15] [INFO ] Removed a total of 26 redundant transitions.
[2025-06-01 14:09:15] [INFO ] Flatten gal took : 3 ms
[2025-06-01 14:09:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2025-06-01 14:09:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15507007036915934283.gal : 0 ms
[2025-06-01 14:09:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8992715294695716373.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15507007036915934283.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8992715294695716373.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality8992715294695716373.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30210 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[505] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-10 in 361889 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 14:09:30] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-01 14:09:30] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 37 ms. (263 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 13 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 14:09:30] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 14:09:30] [INFO ] Invariant cache hit.
[2025-06-01 14:09:31] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 14:09:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 14:09:31] [INFO ] [Real]Absence check using state equation in 374 ms returned sat
[2025-06-01 14:09:31] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 14:09:31] [INFO ] [Real]Added 87 Read/Feed constraints in 56 ms returned sat
[2025-06-01 14:09:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:09:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 14:09:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 14:09:32] [INFO ] [Nat]Absence check using state equation in 406 ms returned sat
[2025-06-01 14:09:32] [INFO ] [Nat]Added 87 Read/Feed constraints in 52 ms returned sat
[2025-06-01 14:09:32] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 140 ms.
[2025-06-01 14:09:32] [INFO ] Added : 20 causal constraints over 5 iterations in 578 ms. Result :sat
Minimization took 635 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 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Graph (complete) has 2164 edges and 439 vertex of which 436 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 436 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 11 place count 432 transition count 1244
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 432 transition count 1244
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 19 place count 432 transition count 1240
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 23 place count 428 transition count 1232
Iterating global reduction 2 with 4 rules applied. Total rules applied 27 place count 428 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 29 place count 426 transition count 1228
Iterating global reduction 2 with 2 rules applied. Total rules applied 31 place count 426 transition count 1228
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 32 place count 425 transition count 1226
Iterating global reduction 2 with 1 rules applied. Total rules applied 33 place count 425 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 34 place count 424 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 35 place count 424 transition count 1224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 36 place count 423 transition count 1222
Iterating global reduction 2 with 1 rules applied. Total rules applied 37 place count 423 transition count 1222
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 38 place count 422 transition count 1220
Iterating global reduction 2 with 1 rules applied. Total rules applied 39 place count 422 transition count 1220
Applied a total of 39 rules in 223 ms. Remains 422 /439 variables (removed 17) and now considering 1220/1260 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 223 ms. Remains : 422/439 places, 1220/1260 transitions.
[2025-06-01 14:09:33] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
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 160 ms. (steps per millisecond=62 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 14:09:34] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2025-06-01 14:09:34] [INFO ] Computed 3 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 3110 ms. (321 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1955 ms. (511 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[155] Max Struct:[+inf]
[2025-06-01 14:09:39] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:09:39] [INFO ] Invariant cache hit.
[2025-06-01 14:09:39] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 14:09:39] [INFO ] [Real]Absence check using state equation in 392 ms returned sat
[2025-06-01 14:09:39] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 14:09:39] [INFO ] [Real]Added 75 Read/Feed constraints in 88 ms returned sat
[2025-06-01 14:09:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:09:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 14:09:40] [INFO ] [Nat]Absence check using state equation in 383 ms returned sat
[2025-06-01 14:09:40] [INFO ] [Nat]Added 75 Read/Feed constraints in 77 ms returned sat
[2025-06-01 14:09:41] [INFO ] Deduced a trap composed of 113 places in 615 ms of which 7 ms to minimize.
[2025-06-01 14:09:41] [INFO ] Deduced a trap composed of 109 places in 595 ms of which 7 ms to minimize.
[2025-06-01 14:09:42] [INFO ] Deduced a trap composed of 87 places in 593 ms of which 7 ms to minimize.
[2025-06-01 14:09:43] [INFO ] Deduced a trap composed of 85 places in 538 ms of which 7 ms to minimize.
[2025-06-01 14:09:43] [INFO ] Deduced a trap composed of 76 places in 587 ms of which 7 ms to minimize.
[2025-06-01 14:09:44] [INFO ] Deduced a trap composed of 74 places in 576 ms of which 7 ms to minimize.
[2025-06-01 14:09:44] [INFO ] Deduced a trap composed of 71 places in 557 ms of which 6 ms to minimize.
[2025-06-01 14:09:45] [INFO ] Deduced a trap composed of 70 places in 551 ms of which 6 ms to minimize.
[2025-06-01 14:09:45] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 5020 ms
[2025-06-01 14:09:45] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 130 ms.
[2025-06-01 14:09:46] [INFO ] Added : 15 causal constraints over 6 iterations in 761 ms. Result :sat
Minimization took 557 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[155] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[155] 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 48 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 48 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 48 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 14:09:49] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:09:49] [INFO ] Invariant cache hit.
[2025-06-01 14:09:50] [INFO ] Implicit Places using invariants in 894 ms returned []
[2025-06-01 14:09:50] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:09:50] [INFO ] Invariant cache hit.
[2025-06-01 14:09:51] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 14:09:53] [INFO ] Implicit Places using invariants and state equation in 2809 ms returned []
Implicit Place search using SMT with State Equation took 3717 ms to find 0 implicit places.
[2025-06-01 14:09:53] [INFO ] Redundant transitions in 31 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 14:09:53] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:09:53] [INFO ] Invariant cache hit.
[2025-06-01 14:09:53] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (OVERLAPS) 689/1111 variables, 422/425 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1111 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1718 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 31097 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints]
After SMT, in 66818ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 66839ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70646 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-01 14:11:00] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
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 154 ms. (steps per millisecond=64 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[155] Max Struct:[+inf]
[2025-06-01 14:11:01] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:11:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[155] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3101 ms. (322 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2156 ms. (463 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[155] Max Struct:[+inf]
[2025-06-01 14:11:06] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:11:06] [INFO ] Invariant cache hit.
[2025-06-01 14:11:06] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 14:11:06] [INFO ] [Real]Absence check using state equation in 380 ms returned sat
[2025-06-01 14:11:07] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 14:11:07] [INFO ] [Real]Added 75 Read/Feed constraints in 90 ms returned sat
[2025-06-01 14:11:07] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:11:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 14:11:07] [INFO ] [Nat]Absence check using state equation in 383 ms returned sat
[2025-06-01 14:11:07] [INFO ] [Nat]Added 75 Read/Feed constraints in 68 ms returned sat
[2025-06-01 14:11:08] [INFO ] Deduced a trap composed of 113 places in 587 ms of which 6 ms to minimize.
[2025-06-01 14:11:08] [INFO ] Deduced a trap composed of 109 places in 600 ms of which 7 ms to minimize.
[2025-06-01 14:11:09] [INFO ] Deduced a trap composed of 87 places in 577 ms of which 7 ms to minimize.
[2025-06-01 14:11:10] [INFO ] Deduced a trap composed of 85 places in 604 ms of which 7 ms to minimize.
[2025-06-01 14:11:10] [INFO ] Deduced a trap composed of 76 places in 599 ms of which 7 ms to minimize.
[2025-06-01 14:11:11] [INFO ] Deduced a trap composed of 74 places in 578 ms of which 7 ms to minimize.
[2025-06-01 14:11:12] [INFO ] Deduced a trap composed of 71 places in 602 ms of which 6 ms to minimize.
[2025-06-01 14:11:12] [INFO ] Deduced a trap composed of 70 places in 595 ms of which 7 ms to minimize.
[2025-06-01 14:11:12] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 5178 ms
[2025-06-01 14:11:13] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 146 ms.
[2025-06-01 14:11:13] [INFO ] Added : 15 causal constraints over 6 iterations in 782 ms. Result :sat
Minimization took 562 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[155] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[155] 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 48 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 48 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 47 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 14:11:16] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:11:16] [INFO ] Invariant cache hit.
[2025-06-01 14:11:17] [INFO ] Implicit Places using invariants in 937 ms returned []
[2025-06-01 14:11:17] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:11:17] [INFO ] Invariant cache hit.
[2025-06-01 14:11:18] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 14:11:20] [INFO ] Implicit Places using invariants and state equation in 2563 ms returned []
Implicit Place search using SMT with State Equation took 3502 ms to find 0 implicit places.
[2025-06-01 14:11:20] [INFO ] Redundant transitions in 19 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 14:11:20] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:11:20] [INFO ] Invariant cache hit.
[2025-06-01 14:11:20] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 3 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (OVERLAPS) 689/1111 variables, 422/425 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1111 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1718 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 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: 0/0 constraints]
After SMT, in 66858ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 66871ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70448 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-01 14:12:27] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
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 144 ms. (steps per millisecond=69 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[155] Max Struct:[+inf]
[2025-06-01 14:12:28] [INFO ] Flatten gal took : 60 ms
RANDOM walk for 40000 steps (8 resets) in 215 ms. (185 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
[2025-06-01 14:12:28] [INFO ] Flatten gal took : 63 ms
[2025-06-01 14:12:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14196352480415349333.gal : 8 ms
[2025-06-01 14:12:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10897692240636784492.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14196352480415349333.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10897692240636784492.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10897692240636784492.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1995
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1995 after 1.24464e+06
Interrupted probabilistic random walk after 459528 steps, run timeout after 3001 ms. (steps per millisecond=153 ) properties seen :0 out of 1
Probabilistic random walk after 459528 steps, saw 281781 distinct states, run finished after 3001 ms. (steps per millisecond=153 ) properties seen :0
[2025-06-01 14:12:31] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:12:31] [INFO ] Invariant cache hit.
[2025-06-01 14:12:31] [INFO ] State equation strengthened by 75 read => feed constraints.
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
All remaining problems are real, not stopping.
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
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 435 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]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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 467 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]
After SMT, in 910ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1342 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 67 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 422/422 places, 1220/1220 transitions.
RANDOM walk for 40000 steps (8 resets) in 196 ms. (203 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
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.24464e+06 after 3.74714e+10
Interrupted probabilistic random walk after 391484 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 391484 steps, saw 240059 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2025-06-01 14:12:36] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:12:36] [INFO ] Invariant cache hit.
[2025-06-01 14:12:36] [INFO ] State equation strengthened by 75 read => feed constraints.
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
All remaining problems are real, not stopping.
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
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 423 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]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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 631 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]
After SMT, in 1064ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1704 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 76 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 76 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 83 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 14:12:39] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:12:39] [INFO ] Invariant cache hit.
[2025-06-01 14:12:40] [INFO ] Implicit Places using invariants in 648 ms returned []
[2025-06-01 14:12:40] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:12:40] [INFO ] Invariant cache hit.
[2025-06-01 14:12:40] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 14:12:42] [INFO ] Implicit Places using invariants and state equation in 2260 ms returned []
Implicit Place search using SMT with State Equation took 2909 ms to find 0 implicit places.
[2025-06-01 14:12:42] [INFO ] Redundant transitions in 19 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 14:12:42] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 14:12:42] [INFO ] Invariant cache hit.
[2025-06-01 14:12:42] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.74714e+10 after 5.80652e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Detected timeout of ITS tools.
[2025-06-01 14:13:18] [INFO ] Flatten gal took : 29 ms
[2025-06-01 14:13:18] [INFO ] Applying decomposition
[2025-06-01 14:13:18] [INFO ] Flatten gal took : 31 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph753123734930528217.txt' '-o' '/tmp/graph753123734930528217.bin' '-w' '/tmp/graph753123734930528217.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph753123734930528217.bin' '-l' '-1' '-v' '-w' '/tmp/graph753123734930528217.weights' '-q' '0' '-e' '0.001'
[2025-06-01 14:13:18] [INFO ] Decomposing Gal with order
[2025-06-01 14:13:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 14:13:18] [INFO ] Removed a total of 2088 redundant transitions.
[2025-06-01 14:13:18] [INFO ] Flatten gal took : 49 ms
[2025-06-01 14:13:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 904 labels/synchronizations in 26 ms.
[2025-06-01 14:13:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8089273666985016730.gal : 7 ms
[2025-06-01 14:13:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16318706923917645859.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8089273666985016730.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16318706923917645859.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
At refinement iteration 2 (OVERLAPS) 689/1111 variables, 422/425 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SMT process timed out in 36179ms, After SMT, problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 36192ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39211 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 0 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
Loading property file /tmp/ReachabilityCardinality16318706923917645859.prop.
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 951 place count 212 transition count 479
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1015 place count 148 transition count 351
Iterating global reduction 2 with 64 rules applied. Total rules applied 1079 place count 148 transition count 351
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1080 place count 148 transition count 350
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1143 place count 85 transition count 224
Iterating global reduction 3 with 63 rules applied. Total rules applied 1206 place count 85 transition count 224
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1269 place count 22 transition count 98
Iterating global reduction 3 with 63 rules applied. Total rules applied 1332 place count 22 transition count 98
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1395 place count 22 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1395 place count 22 transition count 34
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1397 place count 21 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1399 place count 20 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 19 transition count 33
Applied a total of 1401 rules in 35 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
[2025-06-01 14:13:18] [INFO ] Computed 3 invariants in 0 ms
[2025-06-01 14:13:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 14:13:18] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 14:13:18] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 14:13:18] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 14:13:18] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 14:13:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 14:13:18] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 14:13:18] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 14:13:18] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 14:13:18] [INFO ] After 58ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 14:13:18] [INFO ] Flatten gal took : 1 ms
[2025-06-01 14:13:18] [INFO ] Flatten gal took : 1 ms
[2025-06-01 14:13:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5990368542420482459.gal : 1 ms
[2025-06-01 14:13:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10876846169177659816.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5990368542420482459.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10876846169177659816.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10876846169177659816.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :759 after 188231
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :188231 after 9.48316e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.48316e+07 after 2.78362e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.78362e+08 after 6.45066e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.45066e+08 after 1.37812e+09
Detected timeout of ITS tools.
[2025-06-01 14:13:33] [INFO ] Flatten gal took : 1 ms
[2025-06-01 14:13:33] [INFO ] Applying decomposition
[2025-06-01 14:13:33] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph5786482878053778483.txt' '-o' '/tmp/graph5786482878053778483.bin' '-w' '/tmp/graph5786482878053778483.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph5786482878053778483.bin' '-l' '-1' '-v' '-w' '/tmp/graph5786482878053778483.weights' '-q' '0' '-e' '0.001'
[2025-06-01 14:13:33] [INFO ] Decomposing Gal with order
[2025-06-01 14:13:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 14:13:33] [INFO ] Removed a total of 36 redundant transitions.
[2025-06-01 14:13:33] [INFO ] Flatten gal took : 1 ms
[2025-06-01 14:13:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-01 14:13:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7476172800805121227.gal : 1 ms
[2025-06-01 14:13:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2254845072217569631.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7476172800805121227.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2254845072217569631.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality2254845072217569631.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 759
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30243 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:[155] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-13 in 257957 ms.
Starting property specific reduction for FunctionPointer-PT-c128-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[128]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[128]
[2025-06-01 14:13:48] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
// Phase 1: matrix 723 rows 439 cols
[2025-06-01 14:13:48] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[128]
RANDOM walk for 10000 steps (2 resets) in 27 ms. (357 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:[1] Max Struct:[128]
[2025-06-01 14:13:48] [INFO ] Flow matrix only has 723 transitions (discarded 537 similar events)
[2025-06-01 14:13:48] [INFO ] Invariant cache hit.
[2025-06-01 14:13:48] [INFO ] [Real]Absence check using 1 positive place invariants in 5 ms returned sat
[2025-06-01 14:13:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 14:13:49] [INFO ] [Real]Absence check using state equation in 250 ms returned sat
[2025-06-01 14:13:49] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-01 14:13:49] [INFO ] [Real]Added 87 Read/Feed constraints in 66 ms returned sat
[2025-06-01 14:13:49] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:13:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 9 ms returned sat
[2025-06-01 14:13:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 14:13:49] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 14:13:49] [INFO ] [Nat]Added 87 Read/Feed constraints in 98 ms returned sat
[2025-06-01 14:13:50] [INFO ] Computed and/alt/rep : 214/1283/214 causal constraints (skipped 507 transitions) in 172 ms.
[2025-06-01 14:13:50] [INFO ] Added : 1 causal constraints over 1 iterations in 327 ms. Result :sat
Minimization took 605 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[128]
Support contains 1 out of 439 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 439/439 places, 1260/1260 transitions.
Graph (complete) has 2164 edges and 439 vertex of which 436 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 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 436 transition count 1254
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 431 transition count 1242
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 431 transition count 1242
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 431 transition count 1238
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 26 place count 426 transition count 1228
Iterating global reduction 2 with 5 rules applied. Total rules applied 31 place count 426 transition count 1228
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 34 place count 423 transition count 1220
Iterating global reduction 2 with 3 rules applied. Total rules applied 37 place count 423 transition count 1220
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 39 place count 421 transition count 1216
Iterating global reduction 2 with 2 rules applied. Total rules applied 41 place count 421 transition count 1216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 43 place count 419 transition count 1212
Iterating global reduction 2 with 2 rules applied. Total rules applied 45 place count 419 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 47 place count 417 transition count 1208
Iterating global reduction 2 with 2 rules applied. Total rules applied 49 place count 417 transition count 1208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 51 place count 415 transition count 1204
Iterating global reduction 2 with 2 rules applied. Total rules applied 53 place count 415 transition count 1204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 414 transition count 1202
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 414 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 56 place count 413 transition count 1200
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 413 transition count 1200
Applied a total of 57 rules in 235 ms. Remains 413 /439 variables (removed 26) and now considering 1200/1260 (removed 60) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 236 ms. Remains : 413/439 places, 1200/1260 transitions.
[2025-06-01 14:13:51] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2025-06-01 14:13:51] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[128]
RANDOM walk for 1000000 steps (2 resets) in 2997 ms. (333 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1853 ms. (539 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[128]
[2025-06-01 14:13:56] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 14:13:56] [INFO ] Invariant cache hit.
[2025-06-01 14:13:56] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 14:13:56] [INFO ] [Real]Absence check using state equation in 232 ms returned sat
[2025-06-01 14:13:56] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-01 14:13:56] [INFO ] [Real]Added 72 Read/Feed constraints in 64 ms returned sat
[2025-06-01 14:13:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 14:13:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 14:13:56] [INFO ] [Nat]Absence check using state equation in 375 ms returned sat
[2025-06-01 14:13:57] [INFO ] [Nat]Added 72 Read/Feed constraints in 95 ms returned sat
[2025-06-01 14:13:57] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 129 ms.
[2025-06-01 14:13:57] [INFO ] Added : 2 causal constraints over 1 iterations in 278 ms. Result :sat
Minimization took 506 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[128]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[128]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 46 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 46 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2025-06-01 14:13:58] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 14:13:58] [INFO ] Invariant cache hit.
[2025-06-01 14:13:59] [INFO ] Implicit Places using invariants in 709 ms returned []
[2025-06-01 14:13:59] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 14:13:59] [INFO ] Invariant cache hit.
[2025-06-01 14:13:59] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-01 14:14:01] [INFO ] Implicit Places using invariants and state equation in 2609 ms returned []
Implicit Place search using SMT with State Equation took 3320 ms to find 0 implicit places.
[2025-06-01 14:14:01] [INFO ] Redundant transitions in 30 ms returned []
Running 1198 sub problems to find dead transitions.
[2025-06-01 14:14:01] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 14:14:01] [INFO ] Invariant cache hit.
[2025-06-01 14:14:01] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 413/1088 variables, and 3 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/413 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 1198/1198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (OVERLAPS) 675/1088 variables, 413/416 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1088 variables, 72/488 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1088/1088 variables, and 1686 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30767 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1198/1198 constraints, Known Traps: 0/0 constraints]
After SMT, in 66644ms problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 66664ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70071 ms. Remains : 413/413 places, 1200/1200 transitions.
[2025-06-01 14:15:08] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 14:15:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[128]
FORMULA FunctionPointer-PT-c128-UpperBounds-15 128 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000001 steps (2 resets) in 2770 ms. (360 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 14:15:11] [INFO ] Flatten gal took : 46 ms
[2025-06-01 14:15:11] [INFO ] Flatten gal took : 46 ms
[2025-06-01 14:15:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11892142770714907897.gal : 8 ms
[2025-06-01 14:15:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3890424351209971827.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11892142770714907897.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3890424351209971827.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/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:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-c128-UpperBounds-15 in 82647 ms.
[2025-06-01 14:15:11] [INFO ] Flatten gal took : 29 ms
[2025-06-01 14:15:11] [INFO ] Applying decomposition
[2025-06-01 14:15:11] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph4406973762245706134.txt' '-o' '/tmp/graph4406973762245706134.bin' '-w' '/tmp/graph4406973762245706134.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph4406973762245706134.bin' '-l' '-1' '-v' '-w' '/tmp/graph4406973762245706134.weights' '-q' '0' '-e' '0.001'
[2025-06-01 14:15:11] [INFO ] Decomposing Gal with order
[2025-06-01 14:15:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 14:15:11] [INFO ] Removed a total of 2157 redundant transitions.
[2025-06-01 14:15:11] [INFO ] Flatten gal took : 83 ms
[2025-06-01 14:15:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 946 labels/synchronizations in 46 ms.
[2025-06-01 14:15:11] [INFO ] Time to serialize gal into /tmp/UpperBounds1278606084936644892.gal : 11 ms
[2025-06-01 14:15:11] [INFO ] Time to serialize properties into /tmp/UpperBounds12811040937573258971.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds1278606084936644892.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12811040937573258971.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds12811040937573258971.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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-c128"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 gold2024"
echo " Input is FunctionPointer-PT-c128, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r111-smll-174867015800021"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c128.tgz
mv FunctionPointer-PT-c128 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
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 ;