About the Execution of ITS-Tools for FunctionPointer-PT-c002
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | 2 ? ? 0 ? 1 0 1 0 2 ? 2 inf inf ? ? | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007400117.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is FunctionPointer-PT-c002, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007400117
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.2M May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748818081934
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 22:48:04] [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 22:48:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 22:48:05] [INFO ] Load time of PNML (sax parser for PT used): 929 ms
[2025-06-01 22:48:05] [INFO ] Transformed 2826 places.
[2025-06-01 22:48:05] [INFO ] Transformed 8960 transitions.
[2025-06-01 22:48:05] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1202 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 1198 places in 56 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c002-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:48:05] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2025-06-01 22:48:06] [INFO ] Computed 4 invariants in 147 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[2, +inf, +inf, +inf, 1, 1, 2, +inf, 2, +inf, +inf, +inf, +inf]
RANDOM walk for 10001 steps (2 resets) in 664 ms. (15 steps per ms)
FORMULA FunctionPointer-PT-c002-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-c002-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110011 steps (22 resets) in 543 ms. (202 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 9, 1, 0, 1, 1, 1, 4, 3, 1, 1] Max Struct:[2, +inf, +inf, +inf, 2, +inf, 2, +inf, +inf, +inf, +inf]
[2025-06-01 22:48:07] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2025-06-01 22:48:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:08] [INFO ] [Real]Absence check using 3 positive place invariants in 38 ms returned sat
[2025-06-01 22:48:08] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:10] [INFO ] [Real]Absence check using state equation in 1754 ms returned sat
[2025-06-01 22:48:10] [INFO ] State equation strengthened by 479 read => feed constraints.
[2025-06-01 22:48:10] [INFO ] [Real]Added 479 Read/Feed constraints in 400 ms returned sat
[2025-06-01 22:48:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 33 ms returned sat
[2025-06-01 22:48:11] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 13 ms returned sat
[2025-06-01 22:48:12] [INFO ] [Nat]Absence check using state equation in 1386 ms returned sat
[2025-06-01 22:48:13] [INFO ] [Nat]Added 479 Read/Feed constraints in 325 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:48:16] [INFO ] Deduced a trap composed of 131 places in 2909 ms of which 75 ms to minimize.
[2025-06-01 22:48:16] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:16] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 22:48:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:18] [INFO ] [Real]Absence check using state equation in 1691 ms returned sat
[2025-06-01 22:48:19] [INFO ] [Real]Added 479 Read/Feed constraints in 342 ms returned sat
[2025-06-01 22:48:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-01 22:48:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 22:48:21] [INFO ] [Nat]Absence check using state equation in 1574 ms returned sat
[2025-06-01 22:48:21] [INFO ] [Nat]Added 479 Read/Feed constraints in 179 ms returned sat
[2025-06-01 22:48:22] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1283 ms.
[2025-06-01 22:48:23] [INFO ] Added : 1 causal constraints over 1 iterations in 2116 ms. Result :sat
Minimization took 554 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:24] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 22:48:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:26] [INFO ] [Real]Absence check using state equation in 1817 ms returned sat
[2025-06-01 22:48:27] [INFO ] [Real]Added 479 Read/Feed constraints in 286 ms returned sat
[2025-06-01 22:48:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-01 22:48:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 22:48:29] [INFO ] [Nat]Absence check using state equation in 1411 ms returned sat
[2025-06-01 22:48:29] [INFO ] [Nat]Added 479 Read/Feed constraints in 177 ms returned sat
[2025-06-01 22:48:30] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1380 ms.
[2025-06-01 22:48:31] [INFO ] Added : 1 causal constraints over 1 iterations in 1941 ms. Result :sat
Minimization took 586 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:32] [INFO ] [Real]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 22:48:32] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:33] [INFO ] [Real]Absence check using state equation in 1174 ms returned sat
[2025-06-01 22:48:33] [INFO ] [Real]Added 479 Read/Feed constraints in 160 ms returned sat
[2025-06-01 22:48:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-01 22:48:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 22:48:35] [INFO ] [Nat]Absence check using state equation in 1391 ms returned sat
[2025-06-01 22:48:35] [INFO ] [Nat]Added 479 Read/Feed constraints in 129 ms returned sat
[2025-06-01 22:48:36] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 708 ms.
[2025-06-01 22:48:37] [INFO ] Added : 1 causal constraints over 1 iterations in 1173 ms. Result :sat
Minimization took 579 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:37] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 22:48:37] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:39] [INFO ] [Real]Absence check using state equation in 1230 ms returned sat
[2025-06-01 22:48:39] [INFO ] [Real]Added 479 Read/Feed constraints in 155 ms returned sat
[2025-06-01 22:48:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 21 ms returned sat
[2025-06-01 22:48:39] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:41] [INFO ] [Nat]Absence check using state equation in 1400 ms returned sat
[2025-06-01 22:48:41] [INFO ] [Nat]Added 479 Read/Feed constraints in 240 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:48:43] [INFO ] Deduced a trap composed of 131 places in 2223 ms of which 42 ms to minimize.
[2025-06-01 22:48:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 2579 ms
[2025-06-01 22:48:44] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 985 ms.
[2025-06-01 22:48:44] [INFO ] Added : 0 causal constraints over 0 iterations in 987 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:45] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 22:48:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:46] [INFO ] [Real]Absence check using state equation in 1348 ms returned sat
[2025-06-01 22:48:47] [INFO ] [Real]Added 479 Read/Feed constraints in 307 ms returned sat
[2025-06-01 22:48:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 34 ms returned sat
[2025-06-01 22:48:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:49] [INFO ] [Nat]Absence check using state equation in 1404 ms returned sat
[2025-06-01 22:48:49] [INFO ] [Nat]Added 479 Read/Feed constraints in 260 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:48:51] [INFO ] Deduced a trap composed of 133 places in 2435 ms of which 302 ms to minimize.
[2025-06-01 22:48:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 2663 ms
[2025-06-01 22:48:52] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 895 ms.
[2025-06-01 22:48:52] [INFO ] Added : 0 causal constraints over 0 iterations in 896 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:53] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 22:48:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:54] [INFO ] [Real]Absence check using state equation in 1389 ms returned sat
[2025-06-01 22:48:54] [INFO ] [Real]Added 479 Read/Feed constraints in 250 ms returned sat
[2025-06-01 22:48:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:48:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 28 ms returned sat
[2025-06-01 22:48:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:48:56] [INFO ] [Nat]Absence check using state equation in 1451 ms returned sat
[2025-06-01 22:48:57] [INFO ] [Nat]Added 479 Read/Feed constraints in 378 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:48:58] [INFO ] Deduced a trap composed of 131 places in 1643 ms of which 42 ms to minimize.
[2025-06-01 22:48:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1868 ms
[2025-06-01 22:49:00] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 990 ms.
[2025-06-01 22:49:00] [INFO ] Added : 0 causal constraints over 0 iterations in 992 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:49:00] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 22:49:00] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:49:01] [INFO ] [Real]Absence check using state equation in 1358 ms returned sat
[2025-06-01 22:49:02] [INFO ] [Real]Added 479 Read/Feed constraints in 233 ms returned sat
[2025-06-01 22:49:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:49:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 25 ms returned sat
[2025-06-01 22:49:02] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:49:03] [INFO ] [Nat]Absence check using state equation in 1220 ms returned sat
[2025-06-01 22:49:03] [INFO ] [Nat]Added 479 Read/Feed constraints in 187 ms returned sat
[2025-06-01 22:49:05] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 979 ms.
[2025-06-01 22:49:05] [INFO ] Added : 2 causal constraints over 1 iterations in 1894 ms. Result :sat
Minimization took 612 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:49:06] [INFO ] [Real]Absence check using 3 positive place invariants in 18 ms returned sat
[2025-06-01 22:49:06] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:49:08] [INFO ] [Real]Absence check using state equation in 1182 ms returned sat
[2025-06-01 22:49:08] [INFO ] [Real]Added 479 Read/Feed constraints in 171 ms returned sat
[2025-06-01 22:49:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:49:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-01 22:49:08] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:49:10] [INFO ] [Nat]Absence check using state equation in 1226 ms returned sat
[2025-06-01 22:49:10] [INFO ] [Nat]Added 479 Read/Feed constraints in 195 ms returned sat
[2025-06-01 22:49:11] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 675 ms.
[2025-06-01 22:49:11] [INFO ] Added : 1 causal constraints over 1 iterations in 1199 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:49:12] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 22:49:12] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 22:49:14] [INFO ] [Real]Absence check using state equation in 1479 ms returned sat
[2025-06-01 22:49:14] [INFO ] [Real]Added 479 Read/Feed constraints in 152 ms returned sat
[2025-06-01 22:49:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:49:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 22:49:14] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:49:16] [INFO ] [Nat]Absence check using state equation in 1572 ms returned sat
[2025-06-01 22:49:16] [INFO ] [Nat]Added 479 Read/Feed constraints in 416 ms returned sat
[2025-06-01 22:49:17] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 676 ms.
[2025-06-01 22:49:18] [INFO ] Added : 2 causal constraints over 1 iterations in 1248 ms. Result :sat
Minimization took 606 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:49:19] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 22:49:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 22:49:20] [INFO ] [Real]Absence check using state equation in 1238 ms returned sat
[2025-06-01 22:49:20] [INFO ] [Real]Added 479 Read/Feed constraints in 164 ms returned sat
[2025-06-01 22:49:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 22:49:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 23 ms returned sat
[2025-06-01 22:49:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 22:49:22] [INFO ] [Nat]Absence check using state equation in 1237 ms returned sat
[2025-06-01 22:49:22] [INFO ] [Nat]Added 479 Read/Feed constraints in 402 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:49:25] [INFO ] Deduced a trap composed of 133 places in 2697 ms of which 302 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:49:27] [INFO ] Deduced a trap composed of 131 places in 1779 ms of which 42 ms to minimize.
[2025-06-01 22:49:27] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[1, 9, 1, 0, 1, 1, 1, 4, 3, 1, 1] Max Struct:[2, +inf, +inf, +inf, 2, +inf, 2, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 9, 1, 0, 1, 1, 1, 4, 3, 1, 1] Max Struct:[2, +inf, +inf, +inf, 2, +inf, 2, +inf, +inf, +inf, +inf]
Support contains 11 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1422 are kept as prefixes of interest. Removing 206 places using SCC suffix rule.17 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 379 transitions
Reduce isomorphic transitions removed 379 transitions.
Iterating post reduction 0 with 379 rules applied. Total rules applied 380 place count 1422 transition count 5583
Discarding 299 places :
Symmetric choice reduction at 1 with 299 rule applications. Total rules 679 place count 1123 transition count 3291
Iterating global reduction 1 with 299 rules applied. Total rules applied 978 place count 1123 transition count 3291
Ensure Unique test removed 348 transitions
Reduce isomorphic transitions removed 348 transitions.
Iterating post reduction 1 with 348 rules applied. Total rules applied 1326 place count 1123 transition count 2943
Discarding 158 places :
Symmetric choice reduction at 2 with 158 rule applications. Total rules 1484 place count 965 transition count 2627
Iterating global reduction 2 with 158 rules applied. Total rules applied 1642 place count 965 transition count 2627
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 2 with 64 rules applied. Total rules applied 1706 place count 965 transition count 2563
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1720 place count 951 transition count 2535
Iterating global reduction 3 with 14 rules applied. Total rules applied 1734 place count 951 transition count 2535
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1748 place count 937 transition count 2507
Iterating global reduction 3 with 14 rules applied. Total rules applied 1762 place count 937 transition count 2507
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1776 place count 923 transition count 2479
Iterating global reduction 3 with 14 rules applied. Total rules applied 1790 place count 923 transition count 2479
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1804 place count 909 transition count 2451
Iterating global reduction 3 with 14 rules applied. Total rules applied 1818 place count 909 transition count 2451
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1832 place count 895 transition count 2423
Iterating global reduction 3 with 14 rules applied. Total rules applied 1846 place count 895 transition count 2423
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1860 place count 881 transition count 2395
Iterating global reduction 3 with 14 rules applied. Total rules applied 1874 place count 881 transition count 2395
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1886 place count 869 transition count 2371
Iterating global reduction 3 with 12 rules applied. Total rules applied 1898 place count 869 transition count 2371
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 1958 place count 809 transition count 2141
Iterating global reduction 3 with 60 rules applied. Total rules applied 2018 place count 809 transition count 2141
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2078 place count 749 transition count 1901
Iterating global reduction 3 with 60 rules applied. Total rules applied 2138 place count 749 transition count 1901
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2198 place count 689 transition count 1771
Iterating global reduction 3 with 60 rules applied. Total rules applied 2258 place count 689 transition count 1771
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 2318 place count 629 transition count 1651
Iterating global reduction 3 with 60 rules applied. Total rules applied 2378 place count 629 transition count 1651
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 2437 place count 570 transition count 1533
Iterating global reduction 3 with 59 rules applied. Total rules applied 2496 place count 570 transition count 1533
Discarding 59 places :
Symmetric choice reduction at 3 with 59 rule applications. Total rules 2555 place count 511 transition count 1415
Iterating global reduction 3 with 59 rules applied. Total rules applied 2614 place count 511 transition count 1415
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2670 place count 455 transition count 1303
Iterating global reduction 3 with 56 rules applied. Total rules applied 2726 place count 455 transition count 1303
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 2731 place count 450 transition count 1293
Iterating global reduction 3 with 5 rules applied. Total rules applied 2736 place count 450 transition count 1293
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 2744 place count 450 transition count 1285
Applied a total of 2744 rules in 1734 ms. Remains 450 /1628 variables (removed 1178) and now considering 1285/5962 (removed 4677) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1747 ms. Remains : 450/1628 places, 1285/5962 transitions.
[2025-06-01 22:49:29] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {238=1, 356=1, 686=1, 732=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 373=1, 703=1, 734=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 167 ms. (steps per millisecond=59 ) properties (out of 11) seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 9, 1, 0, 1, 1, 1, 4, 3, 1, 1] Max Struct:[2, +inf, +inf, +inf, 2, +inf, 2, +inf, +inf, +inf, +inf]
[2025-06-01 22:49:29] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
// Phase 1: matrix 741 rows 450 cols
[2025-06-01 22:49:29] [INFO ] Computed 3 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 9, 1, 0, 1, 1, 1, 4, 3, 1, 1] Max Struct:[2, +inf, +inf, +inf, 2, +inf, 2, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4183 ms. (239 steps per ms)
FORMULA FunctionPointer-PT-c002-UpperBounds-00 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10000009 steps (20 resets) in 8033 ms. (1244 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9, 5, 3, 1, 495, 1, 498, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, 2, +inf, +inf, +inf, +inf]
[2025-06-01 22:49:42] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:49:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:42] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:49:42] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-01 22:49:42] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:49:42] [INFO ] [Real]Added 92 Read/Feed constraints in 81 ms returned sat
[2025-06-01 22:49:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:49:43] [INFO ] [Nat]Absence check using state equation in 387 ms returned sat
[2025-06-01 22:49:43] [INFO ] [Nat]Added 92 Read/Feed constraints in 91 ms returned sat
[2025-06-01 22:49:43] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 107 ms.
[2025-06-01 22:49:43] [INFO ] Added : 1 causal constraints over 1 iterations in 210 ms. Result :sat
Minimization took 339 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:43] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:49:44] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2025-06-01 22:49:44] [INFO ] [Real]Added 92 Read/Feed constraints in 65 ms returned sat
[2025-06-01 22:49:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:49:44] [INFO ] [Nat]Absence check using state equation in 328 ms returned sat
[2025-06-01 22:49:44] [INFO ] [Nat]Added 92 Read/Feed constraints in 58 ms returned sat
[2025-06-01 22:49:45] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 134 ms.
[2025-06-01 22:49:45] [INFO ] Added : 1 causal constraints over 1 iterations in 275 ms. Result :sat
Minimization took 497 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:45] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:49:46] [INFO ] [Real]Absence check using state equation in 380 ms returned sat
[2025-06-01 22:49:46] [INFO ] [Real]Added 92 Read/Feed constraints in 41 ms returned sat
[2025-06-01 22:49:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:49:46] [INFO ] [Nat]Absence check using state equation in 262 ms returned sat
[2025-06-01 22:49:46] [INFO ] [Nat]Added 92 Read/Feed constraints in 42 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:49:47] [INFO ] Deduced a trap composed of 76 places in 483 ms of which 33 ms to minimize.
[2025-06-01 22:49:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 545 ms
[2025-06-01 22:49:47] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 102 ms.
[2025-06-01 22:49:47] [INFO ] Added : 1 causal constraints over 1 iterations in 206 ms. Result :sat
Minimization took 353 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:48] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:49:48] [INFO ] [Real]Absence check using state equation in 348 ms returned sat
[2025-06-01 22:49:48] [INFO ] [Real]Added 92 Read/Feed constraints in 80 ms returned sat
[2025-06-01 22:49:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:49:49] [INFO ] [Nat]Absence check using state equation in 411 ms returned sat
[2025-06-01 22:49:49] [INFO ] [Nat]Added 92 Read/Feed constraints in 95 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:49:49] [INFO ] Deduced a trap composed of 131 places in 558 ms of which 16 ms to minimize.
[2025-06-01 22:49:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 645 ms
[2025-06-01 22:49:49] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 152 ms.
[2025-06-01 22:49:50] [INFO ] Added : 1 causal constraints over 1 iterations in 313 ms. Result :sat
Minimization took 532 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:50] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:49:51] [INFO ] [Real]Absence check using state equation in 395 ms returned sat
[2025-06-01 22:49:51] [INFO ] [Real]Added 92 Read/Feed constraints in 77 ms returned sat
[2025-06-01 22:49:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:49:51] [INFO ] [Nat]Absence check using state equation in 370 ms returned sat
[2025-06-01 22:49:51] [INFO ] [Nat]Added 92 Read/Feed constraints in 66 ms returned sat
[2025-06-01 22:49:52] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 144 ms.
[2025-06-01 22:49:52] [INFO ] Added : 15 causal constraints over 5 iterations in 608 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:53] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:49:53] [INFO ] [Real]Absence check using state equation in 410 ms returned sat
[2025-06-01 22:49:53] [INFO ] [Real]Added 92 Read/Feed constraints in 72 ms returned sat
[2025-06-01 22:49:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:49:54] [INFO ] [Nat]Absence check using state equation in 387 ms returned sat
[2025-06-01 22:49:54] [INFO ] [Nat]Added 92 Read/Feed constraints in 105 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:49:55] [INFO ] Deduced a trap composed of 131 places in 569 ms of which 16 ms to minimize.
[2025-06-01 22:49:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 660 ms
[2025-06-01 22:49:55] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 172 ms.
[2025-06-01 22:49:55] [INFO ] Added : 1 causal constraints over 1 iterations in 355 ms. Result :sat
Minimization took 581 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:56] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:49:56] [INFO ] [Real]Absence check using state equation in 417 ms returned sat
[2025-06-01 22:49:56] [INFO ] [Real]Added 92 Read/Feed constraints in 81 ms returned sat
[2025-06-01 22:49:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:49:57] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 22:49:57] [INFO ] [Nat]Added 92 Read/Feed constraints in 84 ms returned sat
[2025-06-01 22:49:57] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 167 ms.
[2025-06-01 22:49:58] [INFO ] Added : 9 causal constraints over 4 iterations in 526 ms. Result :sat
Minimization took 533 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:58] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:49:59] [INFO ] [Real]Absence check using state equation in 392 ms returned sat
[2025-06-01 22:49:59] [INFO ] [Real]Added 92 Read/Feed constraints in 78 ms returned sat
[2025-06-01 22:49:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:49:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:49:59] [INFO ] [Nat]Absence check using state equation in 380 ms returned sat
[2025-06-01 22:49:59] [INFO ] [Nat]Added 92 Read/Feed constraints in 65 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:50:00] [INFO ] Deduced a trap composed of 76 places in 673 ms of which 76 ms to minimize.
[2025-06-01 22:50:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 764 ms
[2025-06-01 22:50:00] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 156 ms.
[2025-06-01 22:50:01] [INFO ] Added : 1 causal constraints over 1 iterations in 312 ms. Result :sat
Minimization took 492 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:01] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:50:02] [INFO ] [Real]Absence check using state equation in 415 ms returned sat
[2025-06-01 22:50:02] [INFO ] [Real]Added 92 Read/Feed constraints in 74 ms returned sat
[2025-06-01 22:50:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:50:02] [INFO ] [Nat]Absence check using state equation in 401 ms returned sat
[2025-06-01 22:50:02] [INFO ] [Nat]Added 92 Read/Feed constraints in 86 ms returned sat
[2025-06-01 22:50:03] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 164 ms.
[2025-06-01 22:50:03] [INFO ] Added : 8 causal constraints over 2 iterations in 437 ms. Result :sat
Minimization took 509 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:04] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:50:04] [INFO ] [Real]Absence check using state equation in 420 ms returned sat
[2025-06-01 22:50:04] [INFO ] [Real]Added 92 Read/Feed constraints in 81 ms returned sat
[2025-06-01 22:50:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:50:05] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 22:50:05] [INFO ] [Nat]Added 92 Read/Feed constraints in 144 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:50:06] [INFO ] Deduced a trap composed of 76 places in 682 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:50:06] [INFO ] Deduced a trap composed of 131 places in 504 ms of which 14 ms to minimize.
[2025-06-01 22:50:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1318 ms
[2025-06-01 22:50:06] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 149 ms.
[2025-06-01 22:50:07] [INFO ] Added : 2 causal constraints over 1 iterations in 327 ms. Result :sat
Minimization took 558 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9, 5, 3, 1, 495, 1, 498, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, 2, +inf, +inf, +inf, +inf]
FORMULA FunctionPointer-PT-c002-UpperBounds-11 2 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9, 5, 3, 1, 495, 498, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 115 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 450/450 places, 1285/1285 transitions.
[2025-06-01 22:50:07] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {238=1, 356=1, 686=1, 732=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 373=1, 703=1, 734=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 200 ms. (steps per millisecond=50 ) properties (out of 9) seen :[0, 0, 0, 0, 2, 2, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[9, 5, 3, 1, 495, 498, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:50:08] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:50:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[9, 5, 3, 1, 495, 498, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 4043 ms. (247 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 7412 ms. (1214 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9, 3738, 3, 1, 501, 525, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:50:20] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:50:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:20] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:50:20] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2025-06-01 22:50:20] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:50:20] [INFO ] [Real]Added 92 Read/Feed constraints in 84 ms returned sat
[2025-06-01 22:50:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:50:21] [INFO ] [Nat]Absence check using state equation in 406 ms returned sat
[2025-06-01 22:50:21] [INFO ] [Nat]Added 92 Read/Feed constraints in 95 ms returned sat
[2025-06-01 22:50:21] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 157 ms.
[2025-06-01 22:50:21] [INFO ] Added : 1 causal constraints over 1 iterations in 314 ms. Result :sat
Minimization took 496 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:22] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:22] [INFO ] [Real]Absence check using state equation in 423 ms returned sat
[2025-06-01 22:50:22] [INFO ] [Real]Added 92 Read/Feed constraints in 110 ms returned sat
[2025-06-01 22:50:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:50:23] [INFO ] [Nat]Absence check using state equation in 380 ms returned sat
[2025-06-01 22:50:23] [INFO ] [Nat]Added 92 Read/Feed constraints in 61 ms returned sat
[2025-06-01 22:50:23] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 142 ms.
[2025-06-01 22:50:23] [INFO ] Added : 1 causal constraints over 1 iterations in 289 ms. Result :sat
Minimization took 517 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:24] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:24] [INFO ] [Real]Absence check using state equation in 388 ms returned sat
[2025-06-01 22:50:24] [INFO ] [Real]Added 92 Read/Feed constraints in 64 ms returned sat
[2025-06-01 22:50:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:25] [INFO ] [Nat]Absence check using state equation in 383 ms returned sat
[2025-06-01 22:50:25] [INFO ] [Nat]Added 92 Read/Feed constraints in 59 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:50:26] [INFO ] Deduced a trap composed of 76 places in 691 ms of which 56 ms to minimize.
[2025-06-01 22:50:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 787 ms
[2025-06-01 22:50:26] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 171 ms.
[2025-06-01 22:50:26] [INFO ] Added : 1 causal constraints over 1 iterations in 339 ms. Result :sat
Minimization took 527 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:27] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:27] [INFO ] [Real]Absence check using state equation in 406 ms returned sat
[2025-06-01 22:50:27] [INFO ] [Real]Added 92 Read/Feed constraints in 49 ms returned sat
[2025-06-01 22:50:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:50:28] [INFO ] [Nat]Absence check using state equation in 277 ms returned sat
[2025-06-01 22:50:28] [INFO ] [Nat]Added 92 Read/Feed constraints in 87 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:50:29] [INFO ] Deduced a trap composed of 131 places in 590 ms of which 18 ms to minimize.
[2025-06-01 22:50:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 681 ms
[2025-06-01 22:50:29] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 168 ms.
[2025-06-01 22:50:29] [INFO ] Added : 1 causal constraints over 1 iterations in 342 ms. Result :sat
Minimization took 555 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:30] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:30] [INFO ] [Real]Absence check using state equation in 419 ms returned sat
[2025-06-01 22:50:30] [INFO ] [Real]Added 92 Read/Feed constraints in 93 ms returned sat
[2025-06-01 22:50:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:31] [INFO ] [Nat]Absence check using state equation in 423 ms returned sat
[2025-06-01 22:50:31] [INFO ] [Nat]Added 92 Read/Feed constraints in 73 ms returned sat
[2025-06-01 22:50:31] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 156 ms.
[2025-06-01 22:50:32] [INFO ] Added : 15 causal constraints over 5 iterations in 595 ms. Result :sat
Minimization took 528 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:32] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:50:33] [INFO ] [Real]Absence check using state equation in 422 ms returned sat
[2025-06-01 22:50:33] [INFO ] [Real]Added 92 Read/Feed constraints in 83 ms returned sat
[2025-06-01 22:50:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:33] [INFO ] [Nat]Absence check using state equation in 381 ms returned sat
[2025-06-01 22:50:33] [INFO ] [Nat]Added 92 Read/Feed constraints in 69 ms returned sat
[2025-06-01 22:50:34] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 146 ms.
[2025-06-01 22:50:34] [INFO ] Added : 9 causal constraints over 4 iterations in 483 ms. Result :sat
Minimization took 520 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:35] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:35] [INFO ] [Real]Absence check using state equation in 410 ms returned sat
[2025-06-01 22:50:35] [INFO ] [Real]Added 92 Read/Feed constraints in 81 ms returned sat
[2025-06-01 22:50:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:50:36] [INFO ] [Nat]Absence check using state equation in 418 ms returned sat
[2025-06-01 22:50:36] [INFO ] [Nat]Added 92 Read/Feed constraints in 73 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:50:37] [INFO ] Deduced a trap composed of 76 places in 675 ms of which 84 ms to minimize.
[2025-06-01 22:50:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 770 ms
[2025-06-01 22:50:37] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 166 ms.
[2025-06-01 22:50:37] [INFO ] Added : 1 causal constraints over 1 iterations in 337 ms. Result :sat
Minimization took 511 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:38] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:38] [INFO ] [Real]Absence check using state equation in 423 ms returned sat
[2025-06-01 22:50:38] [INFO ] [Real]Added 92 Read/Feed constraints in 77 ms returned sat
[2025-06-01 22:50:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:39] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2025-06-01 22:50:39] [INFO ] [Nat]Added 92 Read/Feed constraints in 48 ms returned sat
[2025-06-01 22:50:39] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 103 ms.
[2025-06-01 22:50:39] [INFO ] Added : 8 causal constraints over 2 iterations in 268 ms. Result :sat
Minimization took 446 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:40] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:50:40] [INFO ] [Real]Absence check using state equation in 424 ms returned sat
[2025-06-01 22:50:40] [INFO ] [Real]Added 92 Read/Feed constraints in 72 ms returned sat
[2025-06-01 22:50:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:50:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:50:41] [INFO ] [Nat]Absence check using state equation in 417 ms returned sat
[2025-06-01 22:50:41] [INFO ] [Nat]Added 92 Read/Feed constraints in 153 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:50:42] [INFO ] Deduced a trap composed of 76 places in 715 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:50:42] [INFO ] Deduced a trap composed of 131 places in 354 ms of which 10 ms to minimize.
[2025-06-01 22:50:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1175 ms
[2025-06-01 22:50:42] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 148 ms.
[2025-06-01 22:50:43] [INFO ] Added : 2 causal constraints over 1 iterations in 323 ms. Result :sat
Minimization took 554 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9, 3738, 3, 1, 501, 525, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9, 3738, 3, 1, 501, 525, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 112 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 450/450 places, 1285/1285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 109 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
[2025-06-01 22:50:43] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:50:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:50:44] [INFO ] Implicit Places using invariants in 695 ms returned []
[2025-06-01 22:50:44] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:50:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:50:45] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:50:47] [INFO ] Implicit Places using invariants and state equation in 2854 ms returned []
Implicit Place search using SMT with State Equation took 3551 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:50:47] [INFO ] Redundant transitions in 114 ms returned []
Running 1283 sub problems to find dead transitions.
[2025-06-01 22:50:47] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:50:47] [INFO ] Invariant cache hit.
[2025-06-01 22:50:47] [INFO ] State equation strengthened by 92 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:51:14] [INFO ] Deduced a trap composed of 131 places in 533 ms of which 15 ms to minimize.
(s237 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
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(s237 0.0timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30088 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 1283/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 0/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63240ms problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 63270ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67071 ms. Remains : 450/450 places, 1285/1285 transitions.
[2025-06-01 22:51:50] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {238=1, 356=1, 686=1, 732=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 373=1, 703=1, 734=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 9) seen :[0, 0, 0, 0, 4, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[9, 3738, 3, 1, 501, 525, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:51:51] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:51:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[9, 3738, 3, 1, 501, 525, 3, 1, 1] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4570 ms. (218 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 7447 ms. (1208 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1769, 3738, 3, 1, 501, 525, 3, 1, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:52:03] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:52:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:03] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:52:04] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2025-06-01 22:52:04] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:52:04] [INFO ] [Real]Added 92 Read/Feed constraints in 108 ms returned sat
[2025-06-01 22:52:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:52:04] [INFO ] [Nat]Absence check using state equation in 413 ms returned sat
[2025-06-01 22:52:05] [INFO ] [Nat]Added 92 Read/Feed constraints in 102 ms returned sat
[2025-06-01 22:52:05] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 169 ms.
[2025-06-01 22:52:05] [INFO ] Added : 1 causal constraints over 1 iterations in 341 ms. Result :sat
Minimization took 546 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:06] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:52:06] [INFO ] [Real]Absence check using state equation in 426 ms returned sat
[2025-06-01 22:52:06] [INFO ] [Real]Added 92 Read/Feed constraints in 114 ms returned sat
[2025-06-01 22:52:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:52:07] [INFO ] [Nat]Absence check using state equation in 419 ms returned sat
[2025-06-01 22:52:07] [INFO ] [Nat]Added 92 Read/Feed constraints in 74 ms returned sat
[2025-06-01 22:52:07] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 165 ms.
[2025-06-01 22:52:07] [INFO ] Added : 1 causal constraints over 1 iterations in 335 ms. Result :sat
Minimization took 509 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:08] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 22:52:08] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2025-06-01 22:52:08] [INFO ] [Real]Added 92 Read/Feed constraints in 44 ms returned sat
[2025-06-01 22:52:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:52:09] [INFO ] [Nat]Absence check using state equation in 409 ms returned sat
[2025-06-01 22:52:09] [INFO ] [Nat]Added 92 Read/Feed constraints in 51 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:52:10] [INFO ] Deduced a trap composed of 76 places in 666 ms of which 56 ms to minimize.
[2025-06-01 22:52:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 765 ms
[2025-06-01 22:52:10] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 165 ms.
[2025-06-01 22:52:10] [INFO ] Added : 1 causal constraints over 1 iterations in 330 ms. Result :sat
Minimization took 503 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:11] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:52:11] [INFO ] [Real]Absence check using state equation in 418 ms returned sat
[2025-06-01 22:52:11] [INFO ] [Real]Added 92 Read/Feed constraints in 78 ms returned sat
[2025-06-01 22:52:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:52:12] [INFO ] [Nat]Absence check using state equation in 416 ms returned sat
[2025-06-01 22:52:12] [INFO ] [Nat]Added 92 Read/Feed constraints in 88 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:52:12] [INFO ] Deduced a trap composed of 131 places in 562 ms of which 16 ms to minimize.
[2025-06-01 22:52:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 649 ms
[2025-06-01 22:52:13] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 169 ms.
[2025-06-01 22:52:13] [INFO ] Added : 1 causal constraints over 1 iterations in 339 ms. Result :sat
Minimization took 536 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:14] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:52:14] [INFO ] [Real]Absence check using state equation in 389 ms returned sat
[2025-06-01 22:52:14] [INFO ] [Real]Added 92 Read/Feed constraints in 86 ms returned sat
[2025-06-01 22:52:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:52:15] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-01 22:52:15] [INFO ] [Nat]Added 92 Read/Feed constraints in 79 ms returned sat
[2025-06-01 22:52:15] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 155 ms.
[2025-06-01 22:52:15] [INFO ] Added : 15 causal constraints over 5 iterations in 570 ms. Result :sat
Minimization took 525 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:16] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:52:16] [INFO ] [Real]Absence check using state equation in 407 ms returned sat
[2025-06-01 22:52:17] [INFO ] [Real]Added 92 Read/Feed constraints in 88 ms returned sat
[2025-06-01 22:52:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:52:17] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-01 22:52:17] [INFO ] [Nat]Added 92 Read/Feed constraints in 78 ms returned sat
[2025-06-01 22:52:17] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 155 ms.
[2025-06-01 22:52:18] [INFO ] Added : 9 causal constraints over 4 iterations in 484 ms. Result :sat
Minimization took 519 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:18] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:52:19] [INFO ] [Real]Absence check using state equation in 267 ms returned sat
[2025-06-01 22:52:19] [INFO ] [Real]Added 92 Read/Feed constraints in 52 ms returned sat
[2025-06-01 22:52:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:52:19] [INFO ] [Nat]Absence check using state equation in 271 ms returned sat
[2025-06-01 22:52:19] [INFO ] [Nat]Added 92 Read/Feed constraints in 46 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:52:20] [INFO ] Deduced a trap composed of 76 places in 536 ms of which 55 ms to minimize.
[2025-06-01 22:52:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 601 ms
[2025-06-01 22:52:20] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 133 ms.
[2025-06-01 22:52:20] [INFO ] Added : 1 causal constraints over 1 iterations in 302 ms. Result :sat
Minimization took 475 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:21] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:52:21] [INFO ] [Real]Absence check using state equation in 421 ms returned sat
[2025-06-01 22:52:21] [INFO ] [Real]Added 92 Read/Feed constraints in 72 ms returned sat
[2025-06-01 22:52:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:52:22] [INFO ] [Nat]Absence check using state equation in 421 ms returned sat
[2025-06-01 22:52:22] [INFO ] [Nat]Added 92 Read/Feed constraints in 83 ms returned sat
[2025-06-01 22:52:22] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 167 ms.
[2025-06-01 22:52:22] [INFO ] Added : 8 causal constraints over 2 iterations in 433 ms. Result :sat
Minimization took 527 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:23] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:52:24] [INFO ] [Real]Absence check using state equation in 419 ms returned sat
[2025-06-01 22:52:24] [INFO ] [Real]Added 92 Read/Feed constraints in 97 ms returned sat
[2025-06-01 22:52:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:52:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:52:24] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-01 22:52:24] [INFO ] [Nat]Added 92 Read/Feed constraints in 84 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:52:25] [INFO ] Deduced a trap composed of 76 places in 603 ms of which 98 ms to minimize.
[2025-06-01 22:52:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 681 ms
[2025-06-01 22:52:25] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 167 ms.
[2025-06-01 22:52:25] [INFO ] Added : 2 causal constraints over 1 iterations in 342 ms. Result :sat
Minimization took 522 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1769, 3738, 3, 1, 501, 525, 3, 1, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1769, 3738, 3, 1, 501, 525, 3, 1, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 102 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 450/450 places, 1285/1285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 100 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
[2025-06-01 22:52:26] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:52:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:52:27] [INFO ] Implicit Places using invariants in 895 ms returned []
[2025-06-01 22:52:27] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:52:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:52:28] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:52:30] [INFO ] Implicit Places using invariants and state equation in 2835 ms returned []
Implicit Place search using SMT with State Equation took 3734 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:52:30] [INFO ] Redundant transitions in 41 ms returned []
Running 1283 sub problems to find dead transitions.
[2025-06-01 22:52:30] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:52:30] [INFO ] Invariant cache hit.
[2025-06-01 22:52:30] [INFO ] State equation strengthened by 92 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:52:55] [INFO ] Deduced a trap composed of 131 places in 520 ms of which 15 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30059 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 1283/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s116 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 0/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62091ms problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 62097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65982 ms. Remains : 450/450 places, 1285/1285 transitions.
[2025-06-01 22:53:32] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {238=1, 356=1, 686=1, 732=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 373=1, 703=1, 734=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 9) seen :[5, 0, 0, 0, 2, 2, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1769, 3738, 3, 1, 501, 525, 3, 1, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:53:33] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:53:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1769, 3738, 3, 1, 501, 525, 3, 1, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 4049 ms. (246 steps per ms)
BEST_FIRST walk for 9000007 steps (18 resets) in 7450 ms. (1207 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1769, 3852, 3, 1, 533, 525, 7, 4, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:53:44] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:53:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:44] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 22:53:45] [INFO ] [Real]Absence check using state equation in 269 ms returned sat
[2025-06-01 22:53:45] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:53:45] [INFO ] [Real]Added 92 Read/Feed constraints in 63 ms returned sat
[2025-06-01 22:53:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:53:45] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 22:53:45] [INFO ] [Nat]Added 92 Read/Feed constraints in 93 ms returned sat
[2025-06-01 22:53:46] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 160 ms.
[2025-06-01 22:53:46] [INFO ] Added : 1 causal constraints over 1 iterations in 316 ms. Result :sat
Minimization took 540 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:47] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:53:47] [INFO ] [Real]Absence check using state equation in 387 ms returned sat
[2025-06-01 22:53:47] [INFO ] [Real]Added 92 Read/Feed constraints in 102 ms returned sat
[2025-06-01 22:53:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:53:48] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-01 22:53:48] [INFO ] [Nat]Added 92 Read/Feed constraints in 71 ms returned sat
[2025-06-01 22:53:48] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 158 ms.
[2025-06-01 22:53:48] [INFO ] Added : 1 causal constraints over 1 iterations in 313 ms. Result :sat
Minimization took 495 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:49] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:53:49] [INFO ] [Real]Absence check using state equation in 411 ms returned sat
[2025-06-01 22:53:49] [INFO ] [Real]Added 92 Read/Feed constraints in 72 ms returned sat
[2025-06-01 22:53:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:53:50] [INFO ] [Nat]Absence check using state equation in 376 ms returned sat
[2025-06-01 22:53:50] [INFO ] [Nat]Added 92 Read/Feed constraints in 34 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:53:50] [INFO ] Deduced a trap composed of 76 places in 508 ms of which 56 ms to minimize.
[2025-06-01 22:53:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 592 ms
[2025-06-01 22:53:51] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 167 ms.
[2025-06-01 22:53:51] [INFO ] Added : 1 causal constraints over 1 iterations in 333 ms. Result :sat
Minimization took 509 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:51] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 22:53:52] [INFO ] [Real]Absence check using state equation in 282 ms returned sat
[2025-06-01 22:53:52] [INFO ] [Real]Added 92 Read/Feed constraints in 49 ms returned sat
[2025-06-01 22:53:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:53:52] [INFO ] [Nat]Absence check using state equation in 418 ms returned sat
[2025-06-01 22:53:52] [INFO ] [Nat]Added 92 Read/Feed constraints in 87 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:53:53] [INFO ] Deduced a trap composed of 131 places in 529 ms of which 16 ms to minimize.
[2025-06-01 22:53:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 616 ms
[2025-06-01 22:53:53] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 164 ms.
[2025-06-01 22:53:53] [INFO ] Added : 1 causal constraints over 1 iterations in 336 ms. Result :sat
Minimization took 555 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:54] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:53:55] [INFO ] [Real]Absence check using state equation in 411 ms returned sat
[2025-06-01 22:53:55] [INFO ] [Real]Added 92 Read/Feed constraints in 87 ms returned sat
[2025-06-01 22:53:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:53:55] [INFO ] [Nat]Absence check using state equation in 414 ms returned sat
[2025-06-01 22:53:55] [INFO ] [Nat]Added 92 Read/Feed constraints in 80 ms returned sat
[2025-06-01 22:53:56] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 157 ms.
[2025-06-01 22:53:56] [INFO ] Added : 15 causal constraints over 5 iterations in 592 ms. Result :sat
Minimization took 547 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:57] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:53:57] [INFO ] [Real]Absence check using state equation in 387 ms returned sat
[2025-06-01 22:53:57] [INFO ] [Real]Added 92 Read/Feed constraints in 83 ms returned sat
[2025-06-01 22:53:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:53:58] [INFO ] [Nat]Absence check using state equation in 384 ms returned sat
[2025-06-01 22:53:58] [INFO ] [Nat]Added 92 Read/Feed constraints in 52 ms returned sat
[2025-06-01 22:53:58] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 103 ms.
[2025-06-01 22:53:58] [INFO ] Added : 9 causal constraints over 4 iterations in 325 ms. Result :sat
Minimization took 484 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:59] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:53:59] [INFO ] [Real]Absence check using state equation in 419 ms returned sat
[2025-06-01 22:53:59] [INFO ] [Real]Added 92 Read/Feed constraints in 50 ms returned sat
[2025-06-01 22:53:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:53:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:54:00] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
[2025-06-01 22:54:00] [INFO ] [Nat]Added 92 Read/Feed constraints in 48 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:54:00] [INFO ] Deduced a trap composed of 76 places in 562 ms of which 59 ms to minimize.
[2025-06-01 22:54:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 634 ms
[2025-06-01 22:54:01] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 122 ms.
[2025-06-01 22:54:01] [INFO ] Added : 1 causal constraints over 1 iterations in 244 ms. Result :sat
Minimization took 479 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:54:01] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:54:02] [INFO ] [Real]Absence check using state equation in 415 ms returned sat
[2025-06-01 22:54:02] [INFO ] [Real]Added 92 Read/Feed constraints in 89 ms returned sat
[2025-06-01 22:54:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:54:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:54:02] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-01 22:54:03] [INFO ] [Nat]Added 92 Read/Feed constraints in 74 ms returned sat
[2025-06-01 22:54:03] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 167 ms.
[2025-06-01 22:54:03] [INFO ] Added : 8 causal constraints over 2 iterations in 429 ms. Result :sat
Minimization took 506 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:54:04] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:54:04] [INFO ] [Real]Absence check using state equation in 390 ms returned sat
[2025-06-01 22:54:04] [INFO ] [Real]Added 92 Read/Feed constraints in 87 ms returned sat
[2025-06-01 22:54:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:54:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:54:05] [INFO ] [Nat]Absence check using state equation in 386 ms returned sat
[2025-06-01 22:54:05] [INFO ] [Nat]Added 92 Read/Feed constraints in 123 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:54:06] [INFO ] Deduced a trap composed of 76 places in 673 ms of which 96 ms to minimize.
[2025-06-01 22:54:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 757 ms
[2025-06-01 22:54:06] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 169 ms.
[2025-06-01 22:54:06] [INFO ] Added : 2 causal constraints over 1 iterations in 347 ms. Result :sat
Minimization took 518 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1769, 3852, 3, 1, 533, 525, 7, 4, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1769, 3852, 3, 1, 533, 525, 7, 4, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 105 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 105 ms. Remains : 450/450 places, 1285/1285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 101 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
[2025-06-01 22:54:07] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:54:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:54:08] [INFO ] Implicit Places using invariants in 901 ms returned []
[2025-06-01 22:54:08] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:54:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:54:08] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:54:11] [INFO ] Implicit Places using invariants and state equation in 2809 ms returned []
Implicit Place search using SMT with State Equation took 3712 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:54:11] [INFO ] Redundant transitions in 33 ms returned []
Running 1283 sub problems to find dead transitions.
[2025-06-01 22:54:11] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:54:11] [INFO ] Invariant cache hit.
[2025-06-01 22:54:11] [INFO ] State equation strengthened by 92 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:54:34] [INFO ] Deduced a trap composed of 131 places in 498 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 1283/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 0/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62083ms problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 62088ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65942 ms. Remains : 450/450 places, 1285/1285 transitions.
[2025-06-01 22:55:13] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {238=1, 356=1, 686=1, 732=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {255=1, 373=1, 703=1, 734=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 9) seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1769, 3852, 3, 1, 533, 525, 7, 4, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:55:13] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:55:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1769, 3852, 3, 1, 533, 525, 7, 4, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4100 ms. (243 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 7266 ms. (1238 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1769, 3852, 5, 1, 533, 525, 7, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:55:25] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:55:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:25] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:25] [INFO ] [Real]Absence check using state equation in 381 ms returned sat
[2025-06-01 22:55:25] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:55:25] [INFO ] [Real]Added 92 Read/Feed constraints in 93 ms returned sat
[2025-06-01 22:55:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:26] [INFO ] [Nat]Absence check using state equation in 378 ms returned sat
[2025-06-01 22:55:26] [INFO ] [Nat]Added 92 Read/Feed constraints in 95 ms returned sat
[2025-06-01 22:55:26] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 168 ms.
[2025-06-01 22:55:26] [INFO ] Added : 1 causal constraints over 1 iterations in 337 ms. Result :sat
Minimization took 526 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:27] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:55:28] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2025-06-01 22:55:28] [INFO ] [Real]Added 92 Read/Feed constraints in 107 ms returned sat
[2025-06-01 22:55:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:28] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-01 22:55:28] [INFO ] [Nat]Added 92 Read/Feed constraints in 63 ms returned sat
[2025-06-01 22:55:29] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 155 ms.
[2025-06-01 22:55:29] [INFO ] Added : 1 causal constraints over 1 iterations in 306 ms. Result :sat
Minimization took 491 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:29] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:30] [INFO ] [Real]Absence check using state equation in 418 ms returned sat
[2025-06-01 22:55:30] [INFO ] [Real]Added 92 Read/Feed constraints in 42 ms returned sat
[2025-06-01 22:55:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 22:55:30] [INFO ] [Nat]Absence check using state equation in 248 ms returned sat
[2025-06-01 22:55:30] [INFO ] [Nat]Added 92 Read/Feed constraints in 35 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:55:31] [INFO ] Deduced a trap composed of 76 places in 547 ms of which 42 ms to minimize.
[2025-06-01 22:55:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 614 ms
[2025-06-01 22:55:31] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 120 ms.
[2025-06-01 22:55:31] [INFO ] Added : 1 causal constraints over 1 iterations in 237 ms. Result :sat
Minimization took 445 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:32] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:32] [INFO ] [Real]Absence check using state equation in 415 ms returned sat
[2025-06-01 22:55:32] [INFO ] [Real]Added 92 Read/Feed constraints in 79 ms returned sat
[2025-06-01 22:55:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:33] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-01 22:55:33] [INFO ] [Nat]Added 92 Read/Feed constraints in 81 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:55:33] [INFO ] Deduced a trap composed of 131 places in 510 ms of which 16 ms to minimize.
[2025-06-01 22:55:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 593 ms
[2025-06-01 22:55:34] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 165 ms.
[2025-06-01 22:55:34] [INFO ] Added : 1 causal constraints over 1 iterations in 336 ms. Result :sat
Minimization took 537 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:35] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:55:35] [INFO ] [Real]Absence check using state equation in 388 ms returned sat
[2025-06-01 22:55:35] [INFO ] [Real]Added 92 Read/Feed constraints in 81 ms returned sat
[2025-06-01 22:55:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:55:36] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 22:55:36] [INFO ] [Nat]Added 92 Read/Feed constraints in 76 ms returned sat
[2025-06-01 22:55:36] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 155 ms.
[2025-06-01 22:55:36] [INFO ] Added : 15 causal constraints over 5 iterations in 572 ms. Result :sat
Minimization took 513 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:37] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:37] [INFO ] [Real]Absence check using state equation in 393 ms returned sat
[2025-06-01 22:55:38] [INFO ] [Real]Added 92 Read/Feed constraints in 83 ms returned sat
[2025-06-01 22:55:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:38] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-01 22:55:38] [INFO ] [Nat]Added 92 Read/Feed constraints in 86 ms returned sat
[2025-06-01 22:55:38] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 166 ms.
[2025-06-01 22:55:39] [INFO ] Added : 9 causal constraints over 4 iterations in 513 ms. Result :sat
Minimization took 512 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:39] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:55:40] [INFO ] [Real]Absence check using state equation in 253 ms returned sat
[2025-06-01 22:55:40] [INFO ] [Real]Added 92 Read/Feed constraints in 50 ms returned sat
[2025-06-01 22:55:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:40] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 22:55:40] [INFO ] [Nat]Added 92 Read/Feed constraints in 43 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:55:41] [INFO ] Deduced a trap composed of 76 places in 479 ms of which 52 ms to minimize.
[2025-06-01 22:55:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 543 ms
[2025-06-01 22:55:41] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 114 ms.
[2025-06-01 22:55:41] [INFO ] Added : 1 causal constraints over 1 iterations in 229 ms. Result :sat
Minimization took 435 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:42] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:42] [INFO ] [Real]Absence check using state equation in 388 ms returned sat
[2025-06-01 22:55:42] [INFO ] [Real]Added 92 Read/Feed constraints in 96 ms returned sat
[2025-06-01 22:55:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:55:43] [INFO ] [Nat]Absence check using state equation in 359 ms returned sat
[2025-06-01 22:55:43] [INFO ] [Nat]Added 92 Read/Feed constraints in 68 ms returned sat
[2025-06-01 22:55:43] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 146 ms.
[2025-06-01 22:55:43] [INFO ] Added : 8 causal constraints over 2 iterations in 357 ms. Result :sat
Minimization took 490 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:44] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:55:44] [INFO ] [Real]Absence check using state equation in 384 ms returned sat
[2025-06-01 22:55:44] [INFO ] [Real]Added 92 Read/Feed constraints in 54 ms returned sat
[2025-06-01 22:55:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:55:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 22:55:45] [INFO ] [Nat]Absence check using state equation in 254 ms returned sat
[2025-06-01 22:55:45] [INFO ] [Nat]Added 92 Read/Feed constraints in 89 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:55:45] [INFO ] Deduced a trap composed of 76 places in 553 ms of which 69 ms to minimize.
[2025-06-01 22:55:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 619 ms
[2025-06-01 22:55:46] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 120 ms.
[2025-06-01 22:55:46] [INFO ] Added : 2 causal constraints over 1 iterations in 246 ms. Result :sat
Minimization took 482 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1769, 3852, 5, 1, 533, 525, 7, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1769, 3852, 5, 1, 533, 525, 7, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 105 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 450/450 places, 1285/1285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 104 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
[2025-06-01 22:55:46] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:55:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:55:47] [INFO ] Implicit Places using invariants in 918 ms returned []
[2025-06-01 22:55:47] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:55:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:55:48] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:55:50] [INFO ] Implicit Places using invariants and state equation in 2789 ms returned []
Implicit Place search using SMT with State Equation took 3709 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:55:50] [INFO ] Redundant transitions in 47 ms returned []
Running 1283 sub problems to find dead transitions.
[2025-06-01 22:55:50] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:55:50] [INFO ] Invariant cache hit.
[2025-06-01 22:55:50] [INFO ] State equation strengthened by 92 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:56:14] [INFO ] Deduced a trap composed of 131 places in 333 ms of which 12 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 1283/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 0/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62140ms problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 62146ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66017 ms. Remains : 450/450 places, 1285/1285 transitions.
[2025-06-01 22:56:52] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {238=1, 356=1, 686=1, 732=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {255=1, 373=1, 703=1, 734=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 9) seen :[4, 0, 0, 0, 0, 2, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1769, 3852, 5, 1, 533, 525, 7, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:56:53] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:56:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1769, 3852, 5, 1, 533, 525, 7, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 4415 ms. (226 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 7934 ms. (1134 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 7, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:57:05] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:57:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:06] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:57:06] [INFO ] [Real]Absence check using state equation in 364 ms returned sat
[2025-06-01 22:57:06] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:57:06] [INFO ] [Real]Added 92 Read/Feed constraints in 103 ms returned sat
[2025-06-01 22:57:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:57:07] [INFO ] [Nat]Absence check using state equation in 409 ms returned sat
[2025-06-01 22:57:07] [INFO ] [Nat]Added 92 Read/Feed constraints in 94 ms returned sat
[2025-06-01 22:57:07] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 177 ms.
[2025-06-01 22:57:07] [INFO ] Added : 1 causal constraints over 1 iterations in 333 ms. Result :sat
Minimization took 489 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:08] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:08] [INFO ] [Real]Absence check using state equation in 419 ms returned sat
[2025-06-01 22:57:08] [INFO ] [Real]Added 92 Read/Feed constraints in 105 ms returned sat
[2025-06-01 22:57:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:57:09] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-01 22:57:09] [INFO ] [Nat]Added 92 Read/Feed constraints in 77 ms returned sat
[2025-06-01 22:57:09] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 186 ms.
[2025-06-01 22:57:09] [INFO ] Added : 1 causal constraints over 1 iterations in 364 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:10] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:57:10] [INFO ] [Real]Absence check using state equation in 405 ms returned sat
[2025-06-01 22:57:11] [INFO ] [Real]Added 92 Read/Feed constraints in 70 ms returned sat
[2025-06-01 22:57:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:11] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2025-06-01 22:57:11] [INFO ] [Nat]Added 92 Read/Feed constraints in 59 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:57:12] [INFO ] Deduced a trap composed of 76 places in 727 ms of which 57 ms to minimize.
[2025-06-01 22:57:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 827 ms
[2025-06-01 22:57:12] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 184 ms.
[2025-06-01 22:57:12] [INFO ] Added : 1 causal constraints over 1 iterations in 354 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:13] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:13] [INFO ] [Real]Absence check using state equation in 403 ms returned sat
[2025-06-01 22:57:14] [INFO ] [Real]Added 92 Read/Feed constraints in 77 ms returned sat
[2025-06-01 22:57:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:14] [INFO ] [Nat]Absence check using state equation in 415 ms returned sat
[2025-06-01 22:57:14] [INFO ] [Nat]Added 92 Read/Feed constraints in 97 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:57:15] [INFO ] Deduced a trap composed of 131 places in 563 ms of which 15 ms to minimize.
[2025-06-01 22:57:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 642 ms
[2025-06-01 22:57:15] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 164 ms.
[2025-06-01 22:57:15] [INFO ] Added : 1 causal constraints over 1 iterations in 309 ms. Result :sat
Minimization took 533 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:16] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 22:57:16] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2025-06-01 22:57:16] [INFO ] [Real]Added 92 Read/Feed constraints in 50 ms returned sat
[2025-06-01 22:57:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:57:17] [INFO ] [Nat]Absence check using state equation in 400 ms returned sat
[2025-06-01 22:57:17] [INFO ] [Nat]Added 92 Read/Feed constraints in 77 ms returned sat
[2025-06-01 22:57:17] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 174 ms.
[2025-06-01 22:57:17] [INFO ] Added : 15 causal constraints over 5 iterations in 606 ms. Result :sat
Minimization took 517 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:18] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:19] [INFO ] [Real]Absence check using state equation in 405 ms returned sat
[2025-06-01 22:57:19] [INFO ] [Real]Added 92 Read/Feed constraints in 88 ms returned sat
[2025-06-01 22:57:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:19] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-01 22:57:19] [INFO ] [Nat]Added 92 Read/Feed constraints in 67 ms returned sat
[2025-06-01 22:57:20] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 165 ms.
[2025-06-01 22:57:20] [INFO ] Added : 9 causal constraints over 4 iterations in 488 ms. Result :sat
Minimization took 511 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:21] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:21] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-01 22:57:21] [INFO ] [Real]Added 92 Read/Feed constraints in 90 ms returned sat
[2025-06-01 22:57:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:22] [INFO ] [Nat]Absence check using state equation in 410 ms returned sat
[2025-06-01 22:57:22] [INFO ] [Nat]Added 92 Read/Feed constraints in 76 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:57:23] [INFO ] Deduced a trap composed of 76 places in 740 ms of which 81 ms to minimize.
[2025-06-01 22:57:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 837 ms
[2025-06-01 22:57:23] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 171 ms.
[2025-06-01 22:57:23] [INFO ] Added : 1 causal constraints over 1 iterations in 337 ms. Result :sat
Minimization took 497 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:24] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:24] [INFO ] [Real]Absence check using state equation in 414 ms returned sat
[2025-06-01 22:57:24] [INFO ] [Real]Added 92 Read/Feed constraints in 105 ms returned sat
[2025-06-01 22:57:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:57:25] [INFO ] [Nat]Absence check using state equation in 400 ms returned sat
[2025-06-01 22:57:25] [INFO ] [Nat]Added 92 Read/Feed constraints in 49 ms returned sat
[2025-06-01 22:57:25] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 107 ms.
[2025-06-01 22:57:25] [INFO ] Added : 8 causal constraints over 2 iterations in 264 ms. Result :sat
Minimization took 367 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:26] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:57:26] [INFO ] [Real]Absence check using state equation in 309 ms returned sat
[2025-06-01 22:57:26] [INFO ] [Real]Added 92 Read/Feed constraints in 73 ms returned sat
[2025-06-01 22:57:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:57:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:57:27] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2025-06-01 22:57:27] [INFO ] [Nat]Added 92 Read/Feed constraints in 137 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:57:27] [INFO ] Deduced a trap composed of 76 places in 667 ms of which 58 ms to minimize.
[2025-06-01 22:57:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 738 ms
[2025-06-01 22:57:28] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 104 ms.
[2025-06-01 22:57:28] [INFO ] Added : 2 causal constraints over 1 iterations in 207 ms. Result :sat
Minimization took 457 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 7, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 7, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 719 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 719 ms. Remains : 450/450 places, 1285/1285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Applied a total of 0 rules in 462 ms. Remains 450 /450 variables (removed 0) and now considering 1285/1285 (removed 0) transitions.
[2025-06-01 22:57:29] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:57:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:57:30] [INFO ] Implicit Places using invariants in 531 ms returned []
[2025-06-01 22:57:30] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:57:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:57:30] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:57:33] [INFO ] Implicit Places using invariants and state equation in 2568 ms returned []
Implicit Place search using SMT with State Equation took 3100 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:57:33] [INFO ] Redundant transitions in 100 ms returned []
Running 1283 sub problems to find dead transitions.
[2025-06-01 22:57:33] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:57:33] [INFO ] Invariant cache hit.
[2025-06-01 22:57:33] [INFO ] State equation strengthened by 92 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:57:58] [INFO ] Deduced a trap composed of 131 places in 452 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 1283/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1283 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 450/1191 variables, and 4 constraints, problems are : Problem set: 0 solved, 1283 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/450 constraints, ReadFeed: 0/92 constraints, PredecessorRefiner: 0/1283 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63301ms problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 63315ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66995 ms. Remains : 450/450 places, 1285/1285 transitions.
[2025-06-01 22:58:36] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {238=1, 356=1, 686=1, 732=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {255=1, 373=1, 703=1, 734=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 301 ms. (steps per millisecond=33 ) properties (out of 9) seen :[0, 0, 0, 0, 1, 2, 2147483647, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1769, 3852, 5, 1, 533, 1303, +inf, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 22:58:37] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:58:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1769, 3852, 5, 1, 533, 1303, +inf, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 3982 ms. (251 steps per ms)
FORMULA FunctionPointer-PT-c002-UpperBounds-13 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 8000008 steps (16 resets) in 6779 ms. (1179 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
[2025-06-01 22:58:48] [INFO ] Flow matrix only has 741 transitions (discarded 544 similar events)
[2025-06-01 22:58:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:48] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:58:48] [INFO ] [Real]Absence check using state equation in 357 ms returned sat
[2025-06-01 22:58:48] [INFO ] State equation strengthened by 92 read => feed constraints.
[2025-06-01 22:58:48] [INFO ] [Real]Added 92 Read/Feed constraints in 85 ms returned sat
[2025-06-01 22:58:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:58:49] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 22:58:49] [INFO ] [Nat]Added 92 Read/Feed constraints in 72 ms returned sat
[2025-06-01 22:58:49] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 107 ms.
[2025-06-01 22:58:49] [INFO ] Added : 1 causal constraints over 1 iterations in 210 ms. Result :sat
Minimization took 350 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:50] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 22:58:50] [INFO ] [Real]Absence check using state equation in 334 ms returned sat
[2025-06-01 22:58:50] [INFO ] [Real]Added 92 Read/Feed constraints in 112 ms returned sat
[2025-06-01 22:58:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:58:51] [INFO ] [Nat]Absence check using state equation in 422 ms returned sat
[2025-06-01 22:58:51] [INFO ] [Nat]Added 92 Read/Feed constraints in 62 ms returned sat
[2025-06-01 22:58:51] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 190 ms.
[2025-06-01 22:58:51] [INFO ] Added : 1 causal constraints over 1 iterations in 357 ms. Result :sat
Minimization took 504 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:52] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:58:52] [INFO ] [Real]Absence check using state equation in 415 ms returned sat
[2025-06-01 22:58:52] [INFO ] [Real]Added 92 Read/Feed constraints in 67 ms returned sat
[2025-06-01 22:58:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:58:53] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2025-06-01 22:58:53] [INFO ] [Nat]Added 92 Read/Feed constraints in 63 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:58:54] [INFO ] Deduced a trap composed of 76 places in 714 ms of which 56 ms to minimize.
[2025-06-01 22:58:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 813 ms
[2025-06-01 22:58:54] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 186 ms.
[2025-06-01 22:58:54] [INFO ] Added : 1 causal constraints over 1 iterations in 349 ms. Result :sat
Minimization took 514 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:55] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:58:55] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2025-06-01 22:58:55] [INFO ] [Real]Added 92 Read/Feed constraints in 77 ms returned sat
[2025-06-01 22:58:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:58:56] [INFO ] [Nat]Absence check using state equation in 427 ms returned sat
[2025-06-01 22:58:56] [INFO ] [Nat]Added 92 Read/Feed constraints in 86 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:58:57] [INFO ] Deduced a trap composed of 131 places in 563 ms of which 15 ms to minimize.
[2025-06-01 22:58:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 650 ms
[2025-06-01 22:58:57] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 183 ms.
[2025-06-01 22:58:57] [INFO ] Added : 1 causal constraints over 1 iterations in 350 ms. Result :sat
Minimization took 540 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:58] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:58:58] [INFO ] [Real]Absence check using state equation in 384 ms returned sat
[2025-06-01 22:58:58] [INFO ] [Real]Added 92 Read/Feed constraints in 84 ms returned sat
[2025-06-01 22:58:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:58:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:58:59] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 22:58:59] [INFO ] [Nat]Added 92 Read/Feed constraints in 79 ms returned sat
[2025-06-01 22:58:59] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 180 ms.
[2025-06-01 22:59:00] [INFO ] Added : 15 causal constraints over 5 iterations in 630 ms. Result :sat
Minimization took 520 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:00] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:59:01] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-01 22:59:01] [INFO ] [Real]Added 92 Read/Feed constraints in 90 ms returned sat
[2025-06-01 22:59:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:59:01] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-01 22:59:02] [INFO ] [Nat]Added 92 Read/Feed constraints in 86 ms returned sat
[2025-06-01 22:59:02] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 177 ms.
[2025-06-01 22:59:02] [INFO ] Added : 9 causal constraints over 4 iterations in 538 ms. Result :sat
Minimization took 513 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:03] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:59:03] [INFO ] [Real]Absence check using state equation in 376 ms returned sat
[2025-06-01 22:59:03] [INFO ] [Real]Added 92 Read/Feed constraints in 95 ms returned sat
[2025-06-01 22:59:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:59:04] [INFO ] [Nat]Absence check using state equation in 350 ms returned sat
[2025-06-01 22:59:04] [INFO ] [Nat]Added 92 Read/Feed constraints in 70 ms returned sat
[2025-06-01 22:59:04] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 150 ms.
[2025-06-01 22:59:04] [INFO ] Added : 8 causal constraints over 2 iterations in 365 ms. Result :sat
Minimization took 505 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:05] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:59:05] [INFO ] [Real]Absence check using state equation in 379 ms returned sat
[2025-06-01 22:59:05] [INFO ] [Real]Added 92 Read/Feed constraints in 81 ms returned sat
[2025-06-01 22:59:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:59:06] [INFO ] [Nat]Absence check using state equation in 344 ms returned sat
[2025-06-01 22:59:06] [INFO ] [Nat]Added 92 Read/Feed constraints in 117 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:59:07] [INFO ] Deduced a trap composed of 76 places in 699 ms of which 79 ms to minimize.
[2025-06-01 22:59:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 763 ms
[2025-06-01 22:59:07] [INFO ] Computed and/alt/rep : 103/167/90 causal constraints (skipped 649 transitions) in 120 ms.
[2025-06-01 22:59:07] [INFO ] Added : 2 causal constraints over 1 iterations in 229 ms. Result :sat
Minimization took 411 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
Support contains 8 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 1285/1285 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 449 transition count 1283
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 449 transition count 1283
Applied a total of 2 rules in 129 ms. Remains 449 /450 variables (removed 1) and now considering 1283/1285 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 449/450 places, 1283/1285 transitions.
[2025-06-01 22:59:08] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {243=1, 360=1, 690=1, 734=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {200=1, 317=1, 647=1, 730=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 8) seen :[0, 4, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
[2025-06-01 22:59:08] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 22:59:08] [INFO ] Computed 3 invariants in 33 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 3905 ms. (256 steps per ms)
BEST_FIRST walk for 8000007 steps (16 resets) in 6428 ms. (1244 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
[2025-06-01 22:59:19] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 22:59:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:19] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 22:59:19] [INFO ] [Real]Absence check using state equation in 252 ms returned sat
[2025-06-01 22:59:19] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 22:59:19] [INFO ] [Real]Added 90 Read/Feed constraints in 39 ms returned sat
[2025-06-01 22:59:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:59:20] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-01 22:59:20] [INFO ] [Nat]Added 90 Read/Feed constraints in 49 ms returned sat
[2025-06-01 22:59:20] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 122 ms.
[2025-06-01 22:59:20] [INFO ] Added : 1 causal constraints over 1 iterations in 239 ms. Result :sat
Minimization took 379 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:20] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:59:21] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2025-06-01 22:59:21] [INFO ] [Real]Added 90 Read/Feed constraints in 91 ms returned sat
[2025-06-01 22:59:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:59:21] [INFO ] [Nat]Absence check using state equation in 345 ms returned sat
[2025-06-01 22:59:21] [INFO ] [Nat]Added 90 Read/Feed constraints in 90 ms returned sat
[2025-06-01 22:59:22] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 169 ms.
[2025-06-01 22:59:22] [INFO ] Added : 1 causal constraints over 1 iterations in 332 ms. Result :sat
Minimization took 493 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:23] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:59:23] [INFO ] [Real]Absence check using state equation in 411 ms returned sat
[2025-06-01 22:59:23] [INFO ] [Real]Added 90 Read/Feed constraints in 63 ms returned sat
[2025-06-01 22:59:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:59:24] [INFO ] [Nat]Absence check using state equation in 413 ms returned sat
[2025-06-01 22:59:24] [INFO ] [Nat]Added 90 Read/Feed constraints in 63 ms returned sat
[2025-06-01 22:59:24] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 167 ms.
[2025-06-01 22:59:24] [INFO ] Added : 1 causal constraints over 1 iterations in 328 ms. Result :sat
Minimization took 490 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:25] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:59:25] [INFO ] [Real]Absence check using state equation in 410 ms returned sat
[2025-06-01 22:59:25] [INFO ] [Real]Added 90 Read/Feed constraints in 94 ms returned sat
[2025-06-01 22:59:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:59:26] [INFO ] [Nat]Absence check using state equation in 378 ms returned sat
[2025-06-01 22:59:26] [INFO ] [Nat]Added 90 Read/Feed constraints in 107 ms returned sat
[2025-06-01 22:59:26] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 148 ms.
[2025-06-01 22:59:26] [INFO ] Added : 1 causal constraints over 1 iterations in 295 ms. Result :sat
Minimization took 529 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:27] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 22:59:27] [INFO ] [Real]Absence check using state equation in 253 ms returned sat
[2025-06-01 22:59:27] [INFO ] [Real]Added 90 Read/Feed constraints in 63 ms returned sat
[2025-06-01 22:59:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 22:59:28] [INFO ] [Nat]Absence check using state equation in 402 ms returned sat
[2025-06-01 22:59:28] [INFO ] [Nat]Added 90 Read/Feed constraints in 49 ms returned sat
[2025-06-01 22:59:28] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 97 ms.
[2025-06-01 22:59:28] [INFO ] Added : 6 causal constraints over 3 iterations in 268 ms. Result :sat
Minimization took 374 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:29] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:59:29] [INFO ] [Real]Absence check using state equation in 383 ms returned sat
[2025-06-01 22:59:29] [INFO ] [Real]Added 90 Read/Feed constraints in 96 ms returned sat
[2025-06-01 22:59:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:59:30] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-01 22:59:30] [INFO ] [Nat]Added 90 Read/Feed constraints in 54 ms returned sat
[2025-06-01 22:59:30] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 98 ms.
[2025-06-01 22:59:30] [INFO ] Added : 9 causal constraints over 3 iterations in 284 ms. Result :sat
Minimization took 364 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:31] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:59:31] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2025-06-01 22:59:31] [INFO ] [Real]Added 90 Read/Feed constraints in 80 ms returned sat
[2025-06-01 22:59:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 22:59:32] [INFO ] [Nat]Absence check using state equation in 360 ms returned sat
[2025-06-01 22:59:32] [INFO ] [Nat]Added 90 Read/Feed constraints in 86 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:59:32] [INFO ] Deduced a trap composed of 75 places in 696 ms of which 57 ms to minimize.
[2025-06-01 22:59:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 768 ms
[2025-06-01 22:59:33] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 103 ms.
[2025-06-01 22:59:33] [INFO ] Added : 9 causal constraints over 3 iterations in 273 ms. Result :sat
Minimization took 450 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:33] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 22:59:34] [INFO ] [Real]Absence check using state equation in 403 ms returned sat
[2025-06-01 22:59:34] [INFO ] [Real]Added 90 Read/Feed constraints in 76 ms returned sat
[2025-06-01 22:59:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 22:59:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 22:59:34] [INFO ] [Nat]Absence check using state equation in 406 ms returned sat
[2025-06-01 22:59:35] [INFO ] [Nat]Added 90 Read/Feed constraints in 119 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 22:59:35] [INFO ] Deduced a trap composed of 75 places in 734 ms of which 87 ms to minimize.
[2025-06-01 22:59:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 802 ms
[2025-06-01 22:59:35] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 100 ms.
[2025-06-01 22:59:36] [INFO ] Added : 2 causal constraints over 1 iterations in 198 ms. Result :sat
Minimization took 340 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
Support contains 8 out of 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Applied a total of 0 rules in 83 ms. Remains 449 /449 variables (removed 0) and now considering 1283/1283 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 449/449 places, 1283/1283 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Applied a total of 0 rules in 77 ms. Remains 449 /449 variables (removed 0) and now considering 1283/1283 (removed 0) transitions.
[2025-06-01 22:59:36] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 22:59:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:59:37] [INFO ] Implicit Places using invariants in 684 ms returned []
[2025-06-01 22:59:37] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 22:59:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:59:37] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 22:59:39] [INFO ] Implicit Places using invariants and state equation in 2352 ms returned []
Implicit Place search using SMT with State Equation took 3038 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 22:59:39] [INFO ] Redundant transitions in 38 ms returned []
Running 1281 sub problems to find dead transitions.
[2025-06-01 22:59:39] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 22:59:39] [INFO ] Invariant cache hit.
[2025-06-01 22:59:39] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/449 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:03] [INFO ] Deduced a trap composed of 131 places in 311 ms of which 9 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 449/1187 variables, and 4 constraints, problems are : Problem set: 0 solved, 1281 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/449 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 1281/1281 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1281 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/449 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/449 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1281 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 449/1187 variables, and 4 constraints, problems are : Problem set: 0 solved, 1281 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/449 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 0/1281 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62629ms problems are : Problem set: 0 solved, 1281 unsolved
Search for dead transitions found 0 dead transitions in 62633ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65795 ms. Remains : 449/449 places, 1283/1283 transitions.
[2025-06-01 23:00:42] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {243=1, 360=1, 690=1, 734=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {200=1, 317=1, 647=1, 730=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 8) seen :[0, 0, 0, 0, 0, 3, 0, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
RANDOM walk for 40002 steps (8 resets) in 1905 ms. (20 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 369 ms. (108 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 206 ms. (193 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 195 ms. (204 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 117 ms. (339 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 8/8 properties
[2025-06-01 23:00:44] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:00:44] [INFO ] Invariant cache hit.
[2025-06-01 23:00:44] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2025-06-01 23:00:44] [INFO ] Flatten gal took : 404 ms
At refinement iteration 1 (OVERLAPS) 383/390 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2025-06-01 23:00:44] [INFO ] Flatten gal took : 133 ms
[2025-06-01 23:00:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality896046513780203542.gal : 55 ms
[2025-06-01 23:00:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1490660408996738852.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality896046513780203542.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1490660408996738852.prop' '--nowitness' '--gen-order' 'FOLLOW'
At refinement iteration 2 (INCLUDED_ONLY) 0/390 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality1490660408996738852.prop.
At refinement iteration 3 (OVERLAPS) 658/1048 variables, 390/391 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1048 variables, 4/395 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1048 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 70/1118 variables, 17/412 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1118 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 27
At refinement iteration 8 (INCLUDED_ONLY) 0/1118 variables, 80/493 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1118 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 9/1127 variables, 1/494 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1127 variables, 1/495 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :27 after 1029
At refinement iteration 12 (INCLUDED_ONLY) 0/1127 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 51/1178 variables, 34/529 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1178 variables, 6/535 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1178 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 8/1186 variables, 6/541 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1186 variables, 0/541 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (OVERLAPS) 1/1187 variables, 1/542 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :1029 after 18337
At refinement iteration 19 (INCLUDED_ONLY) 0/1187 variables, 0/542 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (OVERLAPS) 0/1187 variables, 0/542 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1187/1187 variables, and 542 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2270 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 449/449 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 383/390 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/390 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 658/1048 variables, 390/391 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1048 variables, 4/395 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1048 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :18337 after 47976
At refinement iteration 6 (OVERLAPS) 70/1118 variables, 17/412 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1118 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :47976 after 52231
At refinement iteration 8 (INCLUDED_ONLY) 0/1118 variables, 80/493 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1118 variables, 8/501 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :52231 after 65928
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :65928 after 76581
[2025-06-01 23:00:47] [INFO ] Deduced a trap composed of 131 places in 280 ms of which 10 ms to minimize.
Invariant property MIN7 does not hold.
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :76581 after 82094
At refinement iteration 10 (INCLUDED_ONLY) 0/1118 variables, 1/502 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :82094 after 83438
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:48] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:48] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1118 variables, 2/504 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :83438 after 86815
At refinement iteration 12 (INCLUDED_ONLY) 0/1118 variables, 0/504 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 9/1127 variables, 1/505 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1127 variables, 1/506 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :86815 after 95097
At refinement iteration 15 (INCLUDED_ONLY) 0/1127 variables, 0/506 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 51/1178 variables, 34/540 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1178 variables, 6/546 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:49] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1178 variables, 1/547 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1178 variables, 0/547 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 20 (OVERLAPS) 8/1186 variables, 6/553 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :95097 after 130503
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:50] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:51] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:51] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:51] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:51] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:51] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:51] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1186/1187 variables, and 569 constraints, problems are : Problem set: 1 solved, 7 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 448/449 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 19/19 constraints]
After SMT, in 7295ms problems are : Problem set: 1 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Graph (complete) has 2200 edges and 449 vertex of which 446 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 446 transition count 1278
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 445 transition count 1276
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 445 transition count 1276
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 10 place count 445 transition count 1274
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 444 transition count 1272
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 444 transition count 1272
Applied a total of 12 rules in 177 ms. Remains 444 /449 variables (removed 5) and now considering 1272/1283 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 444/449 places, 1272/1283 transitions.
RANDOM walk for 40002 steps (8 resets) in 534 ms. (74 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :130503 after 427678
Interrupted probabilistic random walk after 198616 steps, run timeout after 3001 ms. (steps per millisecond=66 ) properties seen :0 out of 7
Probabilistic random walk after 198616 steps, saw 121805 distinct states, run finished after 3010 ms. (steps per millisecond=65 ) properties seen :0
[2025-06-01 23:00:55] [INFO ] Flow matrix only has 728 transitions (discarded 544 similar events)
// Phase 1: matrix 728 rows 444 cols
[2025-06-01 23:00:55] [INFO ] Computed 3 invariants in 20 ms
[2025-06-01 23:00:55] [INFO ] State equation strengthened by 85 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 383/389 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/389 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 654/1043 variables, 389/390 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1043 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1043 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 65/1108 variables, 15/407 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1108 variables, 1/408 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1108 variables, 77/485 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1108 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 9/1117 variables, 1/486 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1117 variables, 1/487 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1117 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 47/1164 variables, 33/520 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1164 variables, 6/526 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1164 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 7/1171 variables, 5/531 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1171 variables, 0/531 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (OVERLAPS) 1/1172 variables, 1/532 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1172 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (OVERLAPS) 0/1172 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1172/1172 variables, and 532 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1606 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 444/444 constraints, ReadFeed: 85/85 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 383/389 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/389 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 654/1043 variables, 389/390 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1043 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1043 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 65/1108 variables, 15/407 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1108 variables, 1/408 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1108 variables, 77/485 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1108 variables, 7/492 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:57] [INFO ] Deduced a trap composed of 131 places in 243 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1108 variables, 1/493 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:58] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:58] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1108 variables, 2/495 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1108 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 9/1117 variables, 1/496 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1117 variables, 1/497 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1117 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 47/1164 variables, 33/530 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1164 variables, 6/536 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:00:59] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1164 variables, 1/537 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1164 variables, 0/537 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (OVERLAPS) 7/1171 variables, 5/542 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:00] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/1171 variables, 16/558 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1171 variables, 0/558 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 23 (OVERLAPS) 1/1172 variables, 1/559 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1172 variables, 0/559 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :427678 after 3.94471e+06
At refinement iteration 25 (OVERLAPS) 0/1172 variables, 0/559 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1172/1172 variables, and 559 constraints, problems are : Problem set: 0 solved, 7 unsolved in 6424 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 444/444 constraints, ReadFeed: 85/85 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 19/19 constraints]
After SMT, in 8068ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 6 different solutions.
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :3.94471e+06 after 5.34405e+07
Parikh walk visited 0 properties in 30003 ms.
Support contains 6 out of 444 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 444/444 places, 1272/1272 transitions.
Applied a total of 0 rules in 70 ms. Remains 444 /444 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 444/444 places, 1272/1272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 444/444 places, 1272/1272 transitions.
Applied a total of 0 rules in 76 ms. Remains 444 /444 variables (removed 0) and now considering 1272/1272 (removed 0) transitions.
[2025-06-01 23:01:33] [INFO ] Flow matrix only has 728 transitions (discarded 544 similar events)
[2025-06-01 23:01:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:01:34] [INFO ] Implicit Places using invariants in 623 ms returned []
[2025-06-01 23:01:34] [INFO ] Flow matrix only has 728 transitions (discarded 544 similar events)
[2025-06-01 23:01:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:01:34] [INFO ] State equation strengthened by 85 read => feed constraints.
Detected timeout of ITS tools.
[2025-06-01 23:01:34] [INFO ] Flatten gal took : 111 ms
[2025-06-01 23:01:34] [INFO ] Applying decomposition
[2025-06-01 23:01:34] [INFO ] Flatten gal took : 85 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16088923692938198809.txt' '-o' '/tmp/graph16088923692938198809.bin' '-w' '/tmp/graph16088923692938198809.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16088923692938198809.bin' '-l' '-1' '-v' '-w' '/tmp/graph16088923692938198809.weights' '-q' '0' '-e' '0.001'
[2025-06-01 23:01:35] [INFO ] Decomposing Gal with order
[2025-06-01 23:01:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 23:01:35] [INFO ] Removed a total of 2207 redundant transitions.
[2025-06-01 23:01:35] [INFO ] Flatten gal took : 255 ms
[2025-06-01 23:01:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 989 labels/synchronizations in 123 ms.
[2025-06-01 23:01:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality178438339668143293.gal : 34 ms
[2025-06-01 23:01:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality624823158243918738.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality178438339668143293.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality624823158243918738.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/ReachabilityCardinality624823158243918738.prop.
[2025-06-01 23:01:36] [INFO ] Implicit Places using invariants and state equation in 2515 ms returned []
Implicit Place search using SMT with State Equation took 3143 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:01:36] [INFO ] Redundant transitions in 40 ms returned []
Running 1270 sub problems to find dead transitions.
[2025-06-01 23:01:36] [INFO ] Flow matrix only has 728 transitions (discarded 544 similar events)
[2025-06-01 23:01:36] [INFO ] Invariant cache hit.
[2025-06-01 23:01:36] [INFO ] State equation strengthened by 85 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/444 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:01:54] [INFO ] Deduced a trap composed of 131 places in 404 ms of which 11 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/444 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 444/1172 variables, and 4 constraints, problems are : Problem set: 0 solved, 1270 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/444 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 1270/1270 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1270 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/444 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/444 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1270 unsolved
Detected timeout of ITS tools.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 444/1172 variables, and 4 constraints, problems are : Problem set: 0 solved, 1270 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/444 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 0/1270 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62767ms problems are : Problem set: 0 solved, 1270 unsolved
Search for dead transitions found 0 dead transitions in 62774ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66048 ms. Remains : 444/444 places, 1272/1272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1769, 3852, 5, 1, 533, 1303, 1354, 2] Max Struct:[+inf, +inf, +inf, 2, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-c002-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:02:39] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 23:02:39] [INFO ] Computed 3 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 66 ms. (149 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:02:39] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:02:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:02:39] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 23:02:40] [INFO ] [Real]Absence check using state equation in 408 ms returned sat
[2025-06-01 23:02:40] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 23:02:40] [INFO ] [Real]Added 90 Read/Feed constraints in 72 ms returned sat
[2025-06-01 23:02:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:02:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 23:02:40] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 23:02:40] [INFO ] [Nat]Added 90 Read/Feed constraints in 49 ms returned sat
[2025-06-01 23:02:40] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 104 ms.
[2025-06-01 23:02:41] [INFO ] Added : 1 causal constraints over 1 iterations in 217 ms. Result :sat
Minimization took 386 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 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Graph (complete) has 2200 edges and 449 vertex of which 446 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 446 transition count 1278
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 441 transition count 1266
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 441 transition count 1266
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 22 place count 441 transition count 1260
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 26 place count 437 transition count 1252
Iterating global reduction 2 with 4 rules applied. Total rules applied 30 place count 437 transition count 1252
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 434 transition count 1246
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 434 transition count 1246
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 431 transition count 1236
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 431 transition count 1236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 428 transition count 1230
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 428 transition count 1230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 425 transition count 1224
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 425 transition count 1224
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 57 place count 422 transition count 1218
Iterating global reduction 2 with 3 rules applied. Total rules applied 60 place count 422 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 62 place count 420 transition count 1214
Iterating global reduction 2 with 2 rules applied. Total rules applied 64 place count 420 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 66 place count 418 transition count 1210
Iterating global reduction 2 with 2 rules applied. Total rules applied 68 place count 418 transition count 1210
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 70 place count 416 transition count 1206
Iterating global reduction 2 with 2 rules applied. Total rules applied 72 place count 416 transition count 1206
Applied a total of 72 rules in 707 ms. Remains 416 /449 variables (removed 33) and now considering 1206/1283 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 707 ms. Remains : 416/449 places, 1206/1283 transitions.
[2025-06-01 23:02:42] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 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 88 ms. (steps per millisecond=113 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:02:42] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2025-06-01 23:02:42] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3878 ms. (257 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 774 ms. (1290 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:02:47] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 23:02:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:02:47] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:02:48] [INFO ] [Real]Absence check using state equation in 369 ms returned sat
[2025-06-01 23:02:48] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 23:02:48] [INFO ] [Real]Added 74 Read/Feed constraints in 61 ms returned sat
[2025-06-01 23:02:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:02:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 12 ms returned sat
[2025-06-01 23:02:48] [INFO ] [Nat]Absence check using state equation in 373 ms returned sat
[2025-06-01 23:02:48] [INFO ] [Nat]Added 74 Read/Feed constraints in 54 ms returned sat
[2025-06-01 23:02:48] [INFO ] Computed and/alt/rep : 330/1240/330 causal constraints (skipped 349 transitions) in 97 ms.
[2025-06-01 23:02:49] [INFO ] Added : 5 causal constraints over 3 iterations in 467 ms. Result :sat
Minimization took 407 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 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 77 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 77 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 75 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 23:02:49] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 23:02:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:02:50] [INFO ] Implicit Places using invariants in 626 ms returned []
[2025-06-01 23:02:50] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 23:02:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:02:50] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 23:02:54] [INFO ] Implicit Places using invariants and state equation in 3808 ms returned []
Implicit Place search using SMT with State Equation took 4435 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:02:54] [INFO ] Redundant transitions in 29 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 23:02:54] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 23:02:54] [INFO ] Invariant cache hit.
[2025-06-01 23:02:54] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:03:16] [INFO ] Deduced a trap composed of 131 places in 487 ms of which 14 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1097 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62592ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62596ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67146 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 23:03:56] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 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 :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:03:57] [INFO ] Flatten gal took : 105 ms
RANDOM walk for 40000 steps (8 resets) in 471 ms. (84 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 112 ms. (354 steps per ms) remains 1/1 properties
[2025-06-01 23:03:58] [INFO ] Flatten gal took : 97 ms
[2025-06-01 23:03:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1016471389856563392.gal : 20 ms
[2025-06-01 23:03:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9029966613725371665.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1016471389856563392.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9029966613725371665.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9029966613725371665.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 54788
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :54788 after 59111
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :59111 after 67765
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :67765 after 79919
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :79919 after 107953
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :107953 after 111170
Interrupted probabilistic random walk after 377917 steps, run timeout after 3001 ms. (steps per millisecond=125 ) properties seen :0 out of 1
Probabilistic random walk after 377917 steps, saw 231742 distinct states, run finished after 3001 ms. (steps per millisecond=125 ) properties seen :0
[2025-06-01 23:04:00] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 23:04:00] [INFO ] Invariant cache hit.
[2025-06-01 23:04:00] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
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
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :111170 after 121113
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
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 464 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/355 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 598/953 variables, 332/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/953 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :121113 after 140085
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 653 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1131ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 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 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 60 ms. Remains : 416/416 places, 1206/1206 transitions.
RANDOM walk for 30035 steps (6 resets) in 229 ms. (130 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-01 in 82883 ms.
Starting property specific reduction for FunctionPointer-PT-c002-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 23:04:02] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 23:04:02] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 45 ms. (217 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[41] Max Struct:[+inf]
[2025-06-01 23:04:02] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:04:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:04:02] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:04:02] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2025-06-01 23:04:02] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 23:04:02] [INFO ] [Real]Added 90 Read/Feed constraints in 71 ms returned sat
[2025-06-01 23:04:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:04:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 23:04:03] [INFO ] [Nat]Absence check using state equation in 333 ms returned sat
[2025-06-01 23:04:03] [INFO ] [Nat]Added 90 Read/Feed constraints in 73 ms returned sat
[2025-06-01 23:04:03] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 134 ms.
[2025-06-01 23:04:03] [INFO ] Added : 1 causal constraints over 1 iterations in 281 ms. Result :sat
Minimization took 479 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[41] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[41] Max Struct:[+inf]
Support contains 1 out of 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Graph (complete) has 2200 edges and 449 vertex of which 446 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 446 transition count 1278
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 441 transition count 1266
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 441 transition count 1266
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 22 place count 441 transition count 1260
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 27 place count 436 transition count 1250
Iterating global reduction 2 with 5 rules applied. Total rules applied 32 place count 436 transition count 1250
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 36 place count 432 transition count 1242
Iterating global reduction 2 with 4 rules applied. Total rules applied 40 place count 432 transition count 1242
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 429 transition count 1232
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 429 transition count 1232
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 426 transition count 1226
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 426 transition count 1226
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 55 place count 423 transition count 1220
Iterating global reduction 2 with 3 rules applied. Total rules applied 58 place count 423 transition count 1220
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 61 place count 420 transition count 1214
Iterating global reduction 2 with 3 rules applied. Total rules applied 64 place count 420 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 66 place count 418 transition count 1210
Iterating global reduction 2 with 2 rules applied. Total rules applied 68 place count 418 transition count 1210
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 70 place count 416 transition count 1206
Iterating global reduction 2 with 2 rules applied. Total rules applied 72 place count 416 transition count 1206
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 74 place count 414 transition count 1202
Iterating global reduction 2 with 2 rules applied. Total rules applied 76 place count 414 transition count 1202
Applied a total of 76 rules in 389 ms. Remains 414 /449 variables (removed 35) and now considering 1202/1283 (removed 81) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 390 ms. Remains : 414/449 places, 1202/1283 transitions.
[2025-06-01 23:04:04] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[41] Max Struct:[+inf]
[2025-06-01 23:04:05] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
// Phase 1: matrix 678 rows 414 cols
[2025-06-01 23:04:05] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[41] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3888 ms. (257 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 855 ms. (1168 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[41] Max Struct:[+inf]
[2025-06-01 23:04:09] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-01 23:04:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:04:09] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:04:10] [INFO ] [Real]Absence check using state equation in 236 ms returned sat
[2025-06-01 23:04:10] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 23:04:10] [INFO ] [Real]Added 74 Read/Feed constraints in 39 ms returned sat
[2025-06-01 23:04:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:04:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 23:04:10] [INFO ] [Nat]Absence check using state equation in 369 ms returned sat
[2025-06-01 23:04:10] [INFO ] [Nat]Added 74 Read/Feed constraints in 68 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:04:11] [INFO ] Deduced a trap composed of 70 places in 589 ms of which 35 ms to minimize.
[2025-06-01 23:04:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 658 ms
[2025-06-01 23:04:11] [INFO ] Computed and/alt/rep : 333/1251/331 causal constraints (skipped 345 transitions) in 120 ms.
[2025-06-01 23:04:11] [INFO ] Added : 3 causal constraints over 2 iterations in 287 ms. Result :sat
Minimization took 453 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[41] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[41] Max Struct:[+inf]
Support contains 1 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 112 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 414/414 places, 1202/1202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1202/1202 transitions.
Applied a total of 0 rules in 101 ms. Remains 414 /414 variables (removed 0) and now considering 1202/1202 (removed 0) transitions.
[2025-06-01 23:04:12] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-01 23:04:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:04:13] [INFO ] Implicit Places using invariants in 793 ms returned []
[2025-06-01 23:04:13] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-01 23:04:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:04:13] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 23:04:17] [INFO ] Implicit Places using invariants and state equation in 4204 ms returned []
Implicit Place search using SMT with State Equation took 4999 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:04:17] [INFO ] Redundant transitions in 28 ms returned []
Running 1200 sub problems to find dead transitions.
[2025-06-01 23:04:17] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-01 23:04:17] [INFO ] Invariant cache hit.
[2025-06-01 23:04:17] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:04:38] [INFO ] Deduced a trap composed of 131 places in 324 ms of which 14 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/414 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/414 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s289 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 414/1092 variables, and 4 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/414 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62309ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 62314ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67450 ms. Remains : 414/414 places, 1202/1202 transitions.
[2025-06-01 23:05:19] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {222=1, 307=1, 504=1, 674=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 337=1, 534=1, 674=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[41] Max Struct:[+inf]
[2025-06-01 23:05:20] [INFO ] Flatten gal took : 75 ms
RANDOM walk for 40007 steps (8 resets) in 457 ms. (87 steps per ms) remains 1/1 properties
[2025-06-01 23:05:20] [INFO ] Flatten gal took : 75 ms
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
[2025-06-01 23:05:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1259744265167638488.gal : 33 ms
[2025-06-01 23:05:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8486787417800261763.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1259744265167638488.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8486787417800261763.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8486787417800261763.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 54788
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :54788 after 59111
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :59111 after 67765
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :67765 after 79918
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :79918 after 106923
Interrupted probabilistic random walk after 371373 steps, run timeout after 3001 ms. (steps per millisecond=123 ) properties seen :0 out of 1
Probabilistic random walk after 371373 steps, saw 227729 distinct states, run finished after 3001 ms. (steps per millisecond=123 ) properties seen :0
[2025-06-01 23:05:23] [INFO ] Flow matrix only has 678 transitions (discarded 524 similar events)
[2025-06-01 23:05:23] [INFO ] Invariant cache hit.
[2025-06-01 23:05:23] [INFO ] State equation strengthened by 74 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :106923 after 110121
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/347 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/353 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :110121 after 120918
At refinement iteration 8 (OVERLAPS) 596/949 variables, 333/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 74/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/949 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 62/1011 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1011 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 67/1078 variables, 65/483 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1078 variables, 0/483 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/1086 variables, 4/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1086 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1092 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1092 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1092 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1092/1092 variables, and 491 constraints, problems are : Problem set: 0 solved, 1 unsolved in 523 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 343/347 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/353 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 596/949 variables, 333/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 74/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/949 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/949 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1011 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1011 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :120918 after 142521
At refinement iteration 14 (OVERLAPS) 67/1078 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1078 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1086 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1086 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1092 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1092 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1092 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1092/1092 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 679 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 414/414 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1212ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 7966 steps, including 721 resets, run visited all 1 properties in 35 ms. (steps per millisecond=227 )
Parikh walk visited 1 properties in 42 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:[41] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-02 in 82473 ms.
Starting property specific reduction for FunctionPointer-PT-c002-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:05:24] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 23:05:24] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 42 ms. (232 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:05:24] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:05:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:05:24] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 23:05:25] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-01 23:05:25] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 23:05:25] [INFO ] [Real]Added 90 Read/Feed constraints in 32 ms returned sat
[2025-06-01 23:05:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:05:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 23:05:25] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2025-06-01 23:05:25] [INFO ] [Nat]Added 90 Read/Feed constraints in 65 ms returned sat
[2025-06-01 23:05:26] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 182 ms.
[2025-06-01 23:05:26] [INFO ] Added : 1 causal constraints over 1 iterations in 354 ms. Result :sat
Minimization took 499 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 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Graph (complete) has 2200 edges and 449 vertex of which 446 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 446 transition count 1278
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 441 transition count 1266
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 441 transition count 1266
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 20 place count 441 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 24 place count 437 transition count 1254
Iterating global reduction 2 with 4 rules applied. Total rules applied 28 place count 437 transition count 1254
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 32 place count 433 transition count 1246
Iterating global reduction 2 with 4 rules applied. Total rules applied 36 place count 433 transition count 1246
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 430 transition count 1236
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 430 transition count 1236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 427 transition count 1230
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 427 transition count 1230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 424 transition count 1224
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 424 transition count 1224
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 57 place count 421 transition count 1218
Iterating global reduction 2 with 3 rules applied. Total rules applied 60 place count 421 transition count 1218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 62 place count 419 transition count 1214
Iterating global reduction 2 with 2 rules applied. Total rules applied 64 place count 419 transition count 1214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 66 place count 417 transition count 1210
Iterating global reduction 2 with 2 rules applied. Total rules applied 68 place count 417 transition count 1210
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 70 place count 415 transition count 1206
Iterating global reduction 2 with 2 rules applied. Total rules applied 72 place count 415 transition count 1206
Applied a total of 72 rules in 163 ms. Remains 415 /449 variables (removed 34) and now considering 1206/1283 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 415/449 places, 1206/1283 transitions.
[2025-06-01 23:05:26] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {202=1, 289=1, 614=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:05:27] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2025-06-01 23:05:27] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3785 ms. (264 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 846 ms. (1180 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:05:32] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:05:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:05:32] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:05:32] [INFO ] [Real]Absence check using state equation in 356 ms returned sat
[2025-06-01 23:05:32] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 23:05:32] [INFO ] [Real]Added 74 Read/Feed constraints in 44 ms returned sat
[2025-06-01 23:05:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:05:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 23:05:33] [INFO ] [Nat]Absence check using state equation in 378 ms returned sat
[2025-06-01 23:05:33] [INFO ] [Nat]Added 74 Read/Feed constraints in 73 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:05:33] [INFO ] Deduced a trap composed of 70 places in 594 ms of which 52 ms to minimize.
[2025-06-01 23:05:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 671 ms
[2025-06-01 23:05:34] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 183 ms.
[2025-06-01 23:05:34] [INFO ] Added : 7 causal constraints over 4 iterations in 580 ms. Result :sat
Minimization took 483 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 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 109 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 109 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 97 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 23:05:35] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:05:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:05:36] [INFO ] Implicit Places using invariants in 887 ms returned []
[2025-06-01 23:05:36] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:05:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:05:36] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 23:05:38] [INFO ] Implicit Places using invariants and state equation in 2371 ms returned []
Implicit Place search using SMT with State Equation took 3260 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:05:38] [INFO ] Redundant transitions in 28 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 23:05:38] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:05:38] [INFO ] Invariant cache hit.
[2025-06-01 23:05:38] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:06:01] [INFO ] Deduced a trap composed of 131 places in 506 ms of which 15 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 415/1095 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 0/1204 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62592ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 62596ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65989 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-01 23:06:41] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {202=1, 289=1, 614=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 346 ms. (115 steps per ms) remains 1/1 properties
[2025-06-01 23:06:41] [INFO ] Flatten gal took : 92 ms
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
[2025-06-01 23:06:42] [INFO ] Flatten gal took : 47 ms
[2025-06-01 23:06:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10127750009560909466.gal : 10 ms
[2025-06-01 23:06:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10237050873010891206.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10127750009560909466.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10237050873010891206.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10237050873010891206.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 54788
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :54788 after 59111
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :59111 after 67765
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :67765 after 79919
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :79919 after 106927
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :106927 after 110122
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :110122 after 120913
Interrupted probabilistic random walk after 408772 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 408772 steps, saw 250660 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
[2025-06-01 23:06:44] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:06:44] [INFO ] Invariant cache hit.
[2025-06-01 23:06:44] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
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
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 437 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :120913 after 141224
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 621 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1069ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 9 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 56 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 57 ms. Remains : 415/415 places, 1206/1206 transitions.
RANDOM walk for 40002 steps (8 resets) in 212 ms. (187 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :141224 after 182150
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :182150 after 263203
Interrupted probabilistic random walk after 414331 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 414331 steps, saw 254069 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
[2025-06-01 23:06:49] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:06:49] [INFO ] Invariant cache hit.
[2025-06-01 23:06:49] [INFO ] State equation strengthened by 74 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
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
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 444 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 637 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1090ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7 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 56 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 56 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 23:06:50] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:06:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:06:51] [INFO ] Implicit Places using invariants in 626 ms returned []
[2025-06-01 23:06:51] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:06:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:06:51] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 23:06:53] [INFO ] Implicit Places using invariants and state equation in 2325 ms returned []
Implicit Place search using SMT with State Equation took 2953 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:06:53] [INFO ] Redundant transitions in 29 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 23:06:53] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 23:06:53] [INFO ] Invariant cache hit.
[2025-06-01 23:06:53] [INFO ] State equation strengthened by 74 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :263203 after 425297
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:07:09] [INFO ] Deduced a trap composed of 131 places in 325 ms of which 9 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :425297 after 749956
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Detected timeout of ITS tools.
[2025-06-01 23:07:32] [INFO ] Flatten gal took : 34 ms
[2025-06-01 23:07:32] [INFO ] Applying decomposition
[2025-06-01 23:07:32] [INFO ] Flatten gal took : 35 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15310669799708590408.txt' '-o' '/tmp/graph15310669799708590408.bin' '-w' '/tmp/graph15310669799708590408.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15310669799708590408.bin' '-l' '-1' '-v' '-w' '/tmp/graph15310669799708590408.weights' '-q' '0' '-e' '0.001'
[2025-06-01 23:07:32] [INFO ] Decomposing Gal with order
[2025-06-01 23:07:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 23:07:32] [INFO ] Removed a total of 2064 redundant transitions.
[2025-06-01 23:07:32] [INFO ] Flatten gal took : 83 ms
[2025-06-01 23:07:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 838 labels/synchronizations in 53 ms.
[2025-06-01 23:07:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12877428233501694620.gal : 8 ms
[2025-06-01 23:07:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14944084204732561635.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12877428233501694620.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14944084204732561635.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality14944084204732561635.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1095 variables, 74/493 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 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 31014 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: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63204ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 63208ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66252 ms. Remains : 415/415 places, 1206/1206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 526 transitions
Reduce isomorphic transitions removed 526 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 536 rules applied. Total rules applied 536 place count 415 transition count 670
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 546 place count 405 transition count 670
Performed 67 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 67 Pre rules applied. Total rules applied 546 place count 405 transition count 603
Deduced a syphon composed of 67 places in 0 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 680 place count 338 transition count 603
Performed 129 Post agglomeration using F-continuation condition.Transition count delta: 129
Deduced a syphon composed of 129 places in 0 ms
Reduce places removed 129 places and 0 transitions.
Iterating global reduction 2 with 258 rules applied. Total rules applied 938 place count 209 transition count 474
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1002 place count 145 transition count 346
Iterating global reduction 2 with 64 rules applied. Total rules applied 1066 place count 145 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1067 place count 145 transition count 345
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1067 place count 145 transition count 344
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1069 place count 144 transition count 344
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1132 place count 81 transition count 218
Iterating global reduction 3 with 63 rules applied. Total rules applied 1195 place count 81 transition count 218
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1258 place count 18 transition count 92
Iterating global reduction 3 with 63 rules applied. Total rules applied 1321 place count 18 transition count 92
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1384 place count 18 transition count 29
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1384 place count 18 transition count 28
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1386 place count 17 transition count 28
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1389 place count 17 transition count 25
Applied a total of 1389 rules in 166 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 23:07:56] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 23:07:56] [INFO ] After 24ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 23:07:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 23:07:56] [INFO ] After 28ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 23:07:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 23:07:56] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 23:07:56] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 23:07:56] [INFO ] After 90ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 23:07:56] [INFO ] Flatten gal took : 2 ms
[2025-06-01 23:07:56] [INFO ] Flatten gal took : 1 ms
[2025-06-01 23:07:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5102786531129495021.gal : 1 ms
[2025-06-01 23:07:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3709862671108720517.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5102786531129495021.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3709862671108720517.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3709862671108720517.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 20
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :20 after 77
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :77 after 297
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :297 after 825
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :825 after 1865
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1865 after 3929
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3929 after 8041
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :8041 after 16249
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :16249 after 32649
Detected timeout of ITS tools.
[2025-06-01 23:08:11] [INFO ] Flatten gal took : 2 ms
[2025-06-01 23:08:11] [INFO ] Applying decomposition
[2025-06-01 23:08:11] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6711107016212775934.txt' '-o' '/tmp/graph6711107016212775934.bin' '-w' '/tmp/graph6711107016212775934.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6711107016212775934.bin' '-l' '-1' '-v' '-w' '/tmp/graph6711107016212775934.weights' '-q' '0' '-e' '0.001'
[2025-06-01 23:08:11] [INFO ] Decomposing Gal with order
[2025-06-01 23:08:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 23:08:11] [INFO ] Removed a total of 14 redundant transitions.
[2025-06-01 23:08:11] [INFO ] Flatten gal took : 3 ms
[2025-06-01 23:08:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-01 23:08:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5050341142090910712.gal : 1 ms
[2025-06-01 23:08:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16789102083741862125.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5050341142090910712.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16789102083741862125.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16789102083741862125.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 20
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 9 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,119,0.007904,4116,25,25,121,81,80,85,32,134,0
Total reachable state count : 119
Verifying 1 reachability properties.
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,27,0.008709,4372,23,24,121,81,84,85,36,134,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 15384 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:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-04 in 167288 ms.
Starting property specific reduction for FunctionPointer-PT-c002-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:[2]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[2]
[2025-06-01 23:08:12] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 23:08:12] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[2]
RANDOM walk for 10000 steps (2 resets) in 43 ms. (227 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[2]
[2025-06-01 23:08:12] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:08:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:08:12] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 23:08:12] [INFO ] [Real]Absence check using state equation in 379 ms returned sat
[2025-06-01 23:08:12] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 23:08:12] [INFO ] [Real]Added 90 Read/Feed constraints in 55 ms returned sat
[2025-06-01 23:08:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:08:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 23:08:13] [INFO ] [Nat]Absence check using state equation in 421 ms returned sat
[2025-06-01 23:08:13] [INFO ] [Nat]Added 90 Read/Feed constraints in 71 ms returned sat
[2025-06-01 23:08:13] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 102 ms.
[2025-06-01 23:08:13] [INFO ] Added : 1 causal constraints over 1 iterations in 216 ms. Result :sat
Minimization took 400 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[2]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[2]
Support contains 1 out of 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Graph (complete) has 2200 edges and 449 vertex of which 446 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 446 transition count 1278
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 440 transition count 1264
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 440 transition count 1264
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 24 place count 440 transition count 1258
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 29 place count 435 transition count 1248
Iterating global reduction 2 with 5 rules applied. Total rules applied 34 place count 435 transition count 1248
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 431 transition count 1240
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 431 transition count 1240
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 428 transition count 1230
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 428 transition count 1230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 51 place count 425 transition count 1224
Iterating global reduction 2 with 3 rules applied. Total rules applied 54 place count 425 transition count 1224
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 57 place count 422 transition count 1218
Iterating global reduction 2 with 3 rules applied. Total rules applied 60 place count 422 transition count 1218
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 63 place count 419 transition count 1212
Iterating global reduction 2 with 3 rules applied. Total rules applied 66 place count 419 transition count 1212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 68 place count 417 transition count 1208
Iterating global reduction 2 with 2 rules applied. Total rules applied 70 place count 417 transition count 1208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 72 place count 415 transition count 1204
Iterating global reduction 2 with 2 rules applied. Total rules applied 74 place count 415 transition count 1204
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 76 place count 413 transition count 1200
Iterating global reduction 2 with 2 rules applied. Total rules applied 78 place count 413 transition count 1200
Applied a total of 78 rules in 215 ms. Remains 413 /449 variables (removed 36) and now considering 1200/1283 (removed 83) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 216 ms. Remains : 413/449 places, 1200/1283 transitions.
[2025-06-01 23:08:14] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2025-06-01 23:08:14] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[2]
RANDOM walk for 1000000 steps (2 resets) in 3892 ms. (256 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 976 ms. (1023 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[2]
[2025-06-01 23:08:19] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 23:08:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:08:19] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 23:08:19] [INFO ] [Real]Absence check using state equation in 335 ms returned sat
[2025-06-01 23:08:19] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-01 23:08:19] [INFO ] [Real]Added 72 Read/Feed constraints in 63 ms returned sat
[2025-06-01 23:08:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:08:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 23:08:20] [INFO ] [Nat]Absence check using state equation in 387 ms returned sat
[2025-06-01 23:08:20] [INFO ] [Nat]Added 72 Read/Feed constraints in 75 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:08:20] [INFO ] Deduced a trap composed of 131 places in 498 ms of which 14 ms to minimize.
[2025-06-01 23:08:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 572 ms
[2025-06-01 23:08:20] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 141 ms.
[2025-06-01 23:08:21] [INFO ] Added : 2 causal constraints over 1 iterations in 291 ms. Result :sat
Minimization took 497 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[2]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[2]
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 88 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 89 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 83 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2025-06-01 23:08:21] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 23:08:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:08:22] [INFO ] Implicit Places using invariants in 721 ms returned []
[2025-06-01 23:08:22] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 23:08:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:08:23] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-01 23:08:25] [INFO ] Implicit Places using invariants and state equation in 2695 ms returned []
Implicit Place search using SMT with State Equation took 3418 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:08:25] [INFO ] Redundant transitions in 28 ms returned []
Running 1198 sub problems to find dead transitions.
[2025-06-01 23:08:25] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 23:08:25] [INFO ] Invariant cache hit.
[2025-06-01 23:08:25] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:08:47] [INFO ] Deduced a trap composed of 131 places in 479 ms of which 14 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 413/1088 variables, and 4 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: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1198 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
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(s14 0)
(s15 0)
(s16 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 413/1088 variables, and 4 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/413 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/1198 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62090ms problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 62093ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65631 ms. Remains : 413/413 places, 1200/1200 transitions.
[2025-06-01 23:09:27] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 23:09:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[2]
FORMULA FunctionPointer-PT-c002-UpperBounds-09 2 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 4042 ms. (247 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 23:09:31] [INFO ] Flatten gal took : 43 ms
[2025-06-01 23:09:31] [INFO ] Flatten gal took : 34 ms
[2025-06-01 23:09:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6058665168813763544.gal : 11 ms
[2025-06-01 23:09:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2914513345065083334.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6058665168813763544.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2914513345065083334.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
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-c002-UpperBounds-09 in 79580 ms.
Starting property specific reduction for FunctionPointer-PT-c002-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 23:09:31] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 23:09:31] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 46 ms. (212 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 23:09:31] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:09:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:09:31] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 23:09:32] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2025-06-01 23:09:32] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 23:09:32] [INFO ] [Real]Added 90 Read/Feed constraints in 72 ms returned sat
[2025-06-01 23:09:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:09:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:09:32] [INFO ] [Nat]Absence check using state equation in 263 ms returned sat
[2025-06-01 23:09:32] [INFO ] [Nat]Added 90 Read/Feed constraints in 54 ms returned sat
[2025-06-01 23:09:32] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 111 ms.
[2025-06-01 23:09:33] [INFO ] Added : 6 causal constraints over 3 iterations in 430 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Graph (complete) has 2200 edges and 449 vertex of which 446 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 446 transition count 1278
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 441 transition count 1266
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 441 transition count 1266
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 20 place count 441 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 24 place count 437 transition count 1254
Iterating global reduction 2 with 4 rules applied. Total rules applied 28 place count 437 transition count 1254
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 434 transition count 1248
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 434 transition count 1248
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 432 transition count 1242
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 432 transition count 1242
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 430 transition count 1238
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 430 transition count 1238
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 428 transition count 1234
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 428 transition count 1234
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 426 transition count 1230
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 426 transition count 1230
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 425 transition count 1228
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 425 transition count 1228
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 424 transition count 1226
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 424 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 55 place count 423 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 56 place count 423 transition count 1224
Applied a total of 56 rules in 295 ms. Remains 423 /449 variables (removed 26) and now considering 1224/1283 (removed 59) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 296 ms. Remains : 423/449 places, 1224/1283 transitions.
[2025-06-01 23:09:33] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2025-06-01 23:09:34] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2025-06-01 23:09:34] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 4011 ms. (249 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 859 ms. (1162 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[520] Max Struct:[+inf]
[2025-06-01 23:09:39] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:09:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:09:39] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 23:09:39] [INFO ] [Real]Absence check using state equation in 361 ms returned sat
[2025-06-01 23:09:39] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:09:39] [INFO ] [Real]Added 75 Read/Feed constraints in 73 ms returned sat
[2025-06-01 23:09:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:09:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 23:09:40] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2025-06-01 23:09:40] [INFO ] [Nat]Added 75 Read/Feed constraints in 65 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:09:41] [INFO ] Deduced a trap composed of 70 places in 683 ms of which 77 ms to minimize.
[2025-06-01 23:09:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 768 ms
[2025-06-01 23:09:41] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 165 ms.
[2025-06-01 23:09:42] [INFO ] Added : 24 causal constraints over 6 iterations in 911 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[520] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[520] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 64 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 62 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-01 23:09:47] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:09:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:09:48] [INFO ] Implicit Places using invariants in 699 ms returned []
[2025-06-01 23:09:48] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:09:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:09:49] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:09:51] [INFO ] Implicit Places using invariants and state equation in 2880 ms returned []
Implicit Place search using SMT with State Equation took 3581 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:09:51] [INFO ] Redundant transitions in 28 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-01 23:09:51] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:09:51] [INFO ] Invariant cache hit.
[2025-06-01 23:09:51] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:10:14] [INFO ] Deduced a trap composed of 131 places in 326 ms of which 9 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
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(s337 1)
(s338 1)
(s339 1)
(s340 1)
(s341 1)
(s342 1)
(s343 1)
(s344 1)
(s345 1)
(s346 1)
(s347 1)
(s348 1)
(s349 1)timeout
(s350 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62609ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62611ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66292 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-01 23:10:54] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[520] Max Struct:[+inf]
[2025-06-01 23:10:54] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:10:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[520] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 3949 ms. (253 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 786 ms. (1270 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[520] Max Struct:[+inf]
[2025-06-01 23:10:59] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:10:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:10:59] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 23:10:59] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2025-06-01 23:10:59] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:10:59] [INFO ] [Real]Added 75 Read/Feed constraints in 79 ms returned sat
[2025-06-01 23:10:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:11:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 23:11:00] [INFO ] [Nat]Absence check using state equation in 388 ms returned sat
[2025-06-01 23:11:00] [INFO ] [Nat]Added 75 Read/Feed constraints in 64 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:11:01] [INFO ] Deduced a trap composed of 70 places in 697 ms of which 76 ms to minimize.
[2025-06-01 23:11:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 781 ms
[2025-06-01 23:11:01] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 143 ms.
[2025-06-01 23:11:02] [INFO ] Added : 24 causal constraints over 6 iterations in 940 ms. Result :sat
Minimization took 510 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[520] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[520] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 85 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 84 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-01 23:11:06] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:11:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:11:07] [INFO ] Implicit Places using invariants in 890 ms returned []
[2025-06-01 23:11:07] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:11:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:11:08] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:11:10] [INFO ] Implicit Places using invariants and state equation in 3057 ms returned []
Implicit Place search using SMT with State Equation took 3949 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:11:10] [INFO ] Redundant transitions in 29 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-01 23:11:10] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:11:10] [INFO ] Invariant cache hit.
[2025-06-01 23:11:10] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:11:32] [INFO ] Deduced a trap composed of 131 places in 485 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 0)
(s28 0)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 1)
(s41 0)
(s42 1)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 0)
(s55 0)
(s56 0)
(s57 0)
(s58 0)
(s59 0)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 0)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62413ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62416ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66487 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-01 23:12:13] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[520] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 334 ms. (119 steps per ms) remains 1/1 properties
[2025-06-01 23:12:14] [INFO ] Flatten gal took : 93 ms
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
[2025-06-01 23:12:14] [INFO ] Flatten gal took : 110 ms
[2025-06-01 23:12:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18330161549730483338.gal : 20 ms
[2025-06-01 23:12:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11734786734784953162.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18330161549730483338.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11734786734784953162.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11734786734784953162.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1011
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1011 after 16654
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :16654 after 33326
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :33326 after 50606
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :50606 after 67765
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :67765 after 76576
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :76576 after 171565
Interrupted probabilistic random walk after 348264 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :0 out of 1
Probabilistic random walk after 348264 steps, saw 213560 distinct states, run finished after 3001 ms. (steps per millisecond=116 ) properties seen :0
[2025-06-01 23:12:17] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:12:17] [INFO ] Invariant cache hit.
[2025-06-01 23:12:17] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 612 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:12:18] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:12:18] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1114 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:12:18] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1114 variables, 1/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1114 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1114 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 505 constraints, problems are : Problem set: 0 solved, 1 unsolved in 876 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 1501ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 57 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 423/423 places, 1224/1224 transitions.
RANDOM walk for 40000 steps (8 resets) in 252 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 398481 steps, run timeout after 3001 ms. (steps per millisecond=132 ) properties seen :0 out of 1
Probabilistic random walk after 398481 steps, saw 244349 distinct states, run finished after 3001 ms. (steps per millisecond=132 ) properties seen :0
[2025-06-01 23:12:21] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:12:21] [INFO ] Invariant cache hit.
[2025-06-01 23:12:21] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 10/384 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 601/985 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/985 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1047 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1047 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 66/1113 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1113 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/1114 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1114 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1114/1114 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 568 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/23 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 351/374 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/384 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 601/985 variables, 337/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/985 variables, 74/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/985 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1047 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1047 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 66/1113 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1113 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1/1114 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:12:22] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1114 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:12:23] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1114 variables, 1/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:12:23] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1114 variables, 1/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1114 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1114 variables, 0/505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1114/1114 variables, and 505 constraints, problems are : Problem set: 0 solved, 1 unsolved in 869 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 423/423 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 1446ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 57 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 55 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-01 23:12:23] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:12:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:12:24] [INFO ] Implicit Places using invariants in 641 ms returned []
[2025-06-01 23:12:24] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:12:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :171565 after 989800
[2025-06-01 23:12:24] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:12:26] [INFO ] Implicit Places using invariants and state equation in 2499 ms returned []
Implicit Place search using SMT with State Equation took 3141 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:12:26] [INFO ] Redundant transitions in 30 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-01 23:12:26] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:12:26] [INFO ] Invariant cache hit.
[2025-06-01 23:12:26] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:12:43] [INFO ] Deduced a trap composed of 131 places in 318 ms of which 10 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Detected timeout of ITS tools.
[2025-06-01 23:13:04] [INFO ] Flatten gal took : 32 ms
[2025-06-01 23:13:04] [INFO ] Applying decomposition
[2025-06-01 23:13:04] [INFO ] Flatten gal took : 32 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph114477044103265090.txt' '-o' '/tmp/graph114477044103265090.bin' '-w' '/tmp/graph114477044103265090.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph114477044103265090.bin' '-l' '-1' '-v' '-w' '/tmp/graph114477044103265090.weights' '-q' '0' '-e' '0.001'
[2025-06-01 23:13:04] [INFO ] Decomposing Gal with order
[2025-06-01 23:13:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 23:13:04] [INFO ] Removed a total of 2095 redundant transitions.
[2025-06-01 23:13:04] [INFO ] Flatten gal took : 78 ms
[2025-06-01 23:13:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 841 labels/synchronizations in 74 ms.
[2025-06-01 23:13:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7220088437478407657.gal : 9 ms
[2025-06-01 23:13:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11303620076298694174.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7220088437478407657.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11303620076298694174.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality11303620076298694174.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 39321
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :39321 after 59183
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :59183 after 59644
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :59644 after 63273
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :63273 after 86410
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :86410 after 255115
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :255115 after 1.54068e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.54068e+06 after 1.17086e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.17086e+07 after 9.13845e+07
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 691/1114 variables, 423/427 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 62212ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62215ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65450 ms. Remains : 423/423 places, 1224/1224 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 533 transitions
Reduce isomorphic transitions removed 533 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 543 rules applied. Total rules applied 543 place count 423 transition count 681
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 553 place count 413 transition count 681
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 553 place count 413 transition count 608
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 699 place count 340 transition count 608
Performed 128 Post agglomeration using F-continuation condition.Transition count delta: 128
Deduced a syphon composed of 128 places in 1 ms
Reduce places removed 128 places and 0 transitions.
Iterating global reduction 2 with 256 rules applied. Total rules applied 955 place count 212 transition count 480
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1019 place count 148 transition count 352
Iterating global reduction 2 with 64 rules applied. Total rules applied 1083 place count 148 transition count 352
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1084 place count 148 transition count 351
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1147 place count 85 transition count 225
Iterating global reduction 3 with 63 rules applied. Total rules applied 1210 place count 85 transition count 225
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1273 place count 22 transition count 99
Iterating global reduction 3 with 63 rules applied. Total rules applied 1336 place count 22 transition count 99
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1399 place count 22 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1399 place count 22 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 21 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1403 place count 20 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1405 place count 19 transition count 34
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 1408 place count 19 transition count 31
Applied a total of 1408 rules in 59 ms. Remains 19 /423 variables (removed 404) and now considering 31/1224 (removed 1193) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-01 23:13:28] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 23:13:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 23:13:28] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 23:13:28] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 23:13:28] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 23:13:28] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 23:13:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 23:13:28] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 23:13:28] [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 23:13:28] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 23:13:28] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 23:13:28] [INFO ] Flatten gal took : 1 ms
[2025-06-01 23:13:28] [INFO ] Flatten gal took : 1 ms
[2025-06-01 23:13:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3204636037684899034.gal : 1 ms
[2025-06-01 23:13:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2029853890385061754.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3204636037684899034.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2029853890385061754.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2029853890385061754.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 20
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :20 after 78
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :78 after 214
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :214 after 478
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :478 after 998
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :998 after 2030
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2030 after 4086
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4086 after 8190
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :8190 after 16390
Detected timeout of ITS tools.
[2025-06-01 23:13:43] [INFO ] Flatten gal took : 1 ms
[2025-06-01 23:13:43] [INFO ] Applying decomposition
[2025-06-01 23:13:43] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14607853030861224542.txt' '-o' '/tmp/graph14607853030861224542.bin' '-w' '/tmp/graph14607853030861224542.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14607853030861224542.bin' '-l' '-1' '-v' '-w' '/tmp/graph14607853030861224542.weights' '-q' '0' '-e' '0.001'
[2025-06-01 23:13:43] [INFO ] Decomposing Gal with order
[2025-06-01 23:13:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 23:13:43] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-01 23:13:44] [INFO ] Flatten gal took : 9 ms
[2025-06-01 23:13:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-01 23:13:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13392271302308660401.gal : 1 ms
[2025-06-01 23:13:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6936629727760451431.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13392271302308660401.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6936629727760451431.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6936629727760451431.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30237 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[520] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-10 in 267405 ms.
Starting property specific reduction for FunctionPointer-PT-c002-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:13:59] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 23:13:59] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 23:13:59] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:13:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:13:59] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:13:59] [INFO ] [Real]Absence check using state equation in 352 ms returned sat
[2025-06-01 23:13:59] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 23:13:59] [INFO ] [Real]Added 90 Read/Feed constraints in 83 ms returned sat
[2025-06-01 23:13:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:13:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 23:14:00] [INFO ] [Nat]Absence check using state equation in 402 ms returned sat
[2025-06-01 23:14:00] [INFO ] [Nat]Added 90 Read/Feed constraints in 58 ms returned sat
[2025-06-01 23:14:00] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 103 ms.
[2025-06-01 23:14:00] [INFO ] Added : 9 causal constraints over 3 iterations in 299 ms. Result :sat
Minimization took 445 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Graph (complete) has 2200 edges and 449 vertex of which 446 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 446 transition count 1278
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 441 transition count 1266
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 441 transition count 1266
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 20 place count 441 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 24 place count 437 transition count 1254
Iterating global reduction 2 with 4 rules applied. Total rules applied 28 place count 437 transition count 1254
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 434 transition count 1248
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 434 transition count 1248
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 432 transition count 1242
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 432 transition count 1242
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 430 transition count 1238
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 430 transition count 1238
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 428 transition count 1234
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 428 transition count 1234
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 426 transition count 1230
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 426 transition count 1230
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 425 transition count 1228
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 425 transition count 1228
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 424 transition count 1226
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 424 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 55 place count 423 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 56 place count 423 transition count 1224
Applied a total of 56 rules in 292 ms. Remains 423 /449 variables (removed 26) and now considering 1224/1283 (removed 59) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 293 ms. Remains : 423/449 places, 1224/1283 transitions.
[2025-06-01 23:14:01] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 23:14:02] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
// Phase 1: matrix 691 rows 423 cols
[2025-06-01 23:14:02] [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 3823 ms. (261 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 781 ms. (1278 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[518] Max Struct:[+inf]
[2025-06-01 23:14:06] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:14:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:14:06] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:14:07] [INFO ] [Real]Absence check using state equation in 350 ms returned sat
[2025-06-01 23:14:07] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:14:07] [INFO ] [Real]Added 75 Read/Feed constraints in 78 ms returned sat
[2025-06-01 23:14:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:14:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 23:14:07] [INFO ] [Nat]Absence check using state equation in 364 ms returned sat
[2025-06-01 23:14:07] [INFO ] [Nat]Added 75 Read/Feed constraints in 49 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:14:08] [INFO ] Deduced a trap composed of 70 places in 459 ms of which 46 ms to minimize.
[2025-06-01 23:14:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 532 ms
[2025-06-01 23:14:08] [INFO ] Computed and/alt/rep : 339/1255/332 causal constraints (skipped 357 transitions) in 154 ms.
[2025-06-01 23:14:08] [INFO ] Added : 15 causal constraints over 4 iterations in 610 ms. Result :sat
Minimization took 320 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[518] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[518] Max Struct:[+inf]
Support contains 1 out of 423 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 55 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 423/423 places, 1224/1224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 423/423 places, 1224/1224 transitions.
Applied a total of 0 rules in 59 ms. Remains 423 /423 variables (removed 0) and now considering 1224/1224 (removed 0) transitions.
[2025-06-01 23:14:09] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:14:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:14:09] [INFO ] Implicit Places using invariants in 584 ms returned []
[2025-06-01 23:14:09] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:14:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:14:10] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:14:12] [INFO ] Implicit Places using invariants and state equation in 2906 ms returned []
Implicit Place search using SMT with State Equation took 3491 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:14:12] [INFO ] Redundant transitions in 29 ms returned []
Running 1222 sub problems to find dead transitions.
[2025-06-01 23:14:12] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:14:12] [INFO ] Invariant cache hit.
[2025-06-01 23:14:12] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:14:36] [INFO ] Deduced a trap composed of 131 places in 497 ms of which 13 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/1114 variables, and 4 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/423 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62465ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62468ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66056 ms. Remains : 423/423 places, 1224/1224 transitions.
[2025-06-01 23:15:15] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {203=1, 297=1, 495=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 346=1, 544=1, 687=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2025-06-01 23:15:16] [INFO ] Flow matrix only has 691 transitions (discarded 533 similar events)
[2025-06-01 23:15:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 4197 ms. (238 steps per ms)
FORMULA FunctionPointer-PT-c002-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 23:15:20] [INFO ] Flatten gal took : 35 ms
[2025-06-01 23:15:20] [INFO ] Flatten gal took : 48 ms
[2025-06-01 23:15:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7786142054065778167.gal : 8 ms
[2025-06-01 23:15:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16550238922877150798.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7786142054065778167.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16550238922877150798.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-12 in 81313 ms.
Starting property specific reduction for FunctionPointer-PT-c002-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:15:20] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 23:15:20] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 resets) in 59 ms. (166 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 14 ms. (666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:15:20] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:15:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:15:20] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 23:15:20] [INFO ] [Real]Absence check using state equation in 401 ms returned sat
[2025-06-01 23:15:20] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 23:15:21] [INFO ] [Real]Added 90 Read/Feed constraints in 82 ms returned sat
[2025-06-01 23:15:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:15:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 23:15:21] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-01 23:15:21] [INFO ] [Nat]Added 90 Read/Feed constraints in 78 ms returned sat
[2025-06-01 23:15:21] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 152 ms.
[2025-06-01 23:15:22] [INFO ] Added : 11 causal constraints over 3 iterations in 458 ms. Result :sat
Minimization took 502 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 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Graph (complete) has 2200 edges and 449 vertex of which 446 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 446 transition count 1278
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 11 place count 441 transition count 1268
Iterating global reduction 1 with 5 rules applied. Total rules applied 16 place count 441 transition count 1268
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 22 place count 441 transition count 1262
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 26 place count 437 transition count 1254
Iterating global reduction 2 with 4 rules applied. Total rules applied 30 place count 437 transition count 1254
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 434 transition count 1248
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 434 transition count 1248
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 38 place count 432 transition count 1240
Iterating global reduction 2 with 2 rules applied. Total rules applied 40 place count 432 transition count 1240
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 42 place count 430 transition count 1236
Iterating global reduction 2 with 2 rules applied. Total rules applied 44 place count 430 transition count 1236
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 46 place count 428 transition count 1232
Iterating global reduction 2 with 2 rules applied. Total rules applied 48 place count 428 transition count 1232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 50 place count 426 transition count 1228
Iterating global reduction 2 with 2 rules applied. Total rules applied 52 place count 426 transition count 1228
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 54 place count 424 transition count 1224
Iterating global reduction 2 with 2 rules applied. Total rules applied 56 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 58 place count 422 transition count 1220
Iterating global reduction 2 with 2 rules applied. Total rules applied 60 place count 422 transition count 1220
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 62 place count 420 transition count 1216
Iterating global reduction 2 with 2 rules applied. Total rules applied 64 place count 420 transition count 1216
Applied a total of 64 rules in 170 ms. Remains 420 /449 variables (removed 29) and now considering 1216/1283 (removed 67) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 171 ms. Remains : 420/449 places, 1216/1283 transitions.
[2025-06-01 23:15:22] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:15:23] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
// Phase 1: matrix 687 rows 420 cols
[2025-06-01 23:15:23] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3991 ms. (250 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 840 ms. (1189 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:15:28] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 23:15:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:15:28] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:15:28] [INFO ] [Real]Absence check using state equation in 373 ms returned sat
[2025-06-01 23:15:28] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:15:28] [INFO ] [Real]Added 75 Read/Feed constraints in 57 ms returned sat
[2025-06-01 23:15:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:15:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 23:15:29] [INFO ] [Nat]Absence check using state equation in 373 ms returned sat
[2025-06-01 23:15:29] [INFO ] [Nat]Added 75 Read/Feed constraints in 45 ms returned sat
[2025-06-01 23:15:29] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 121 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:15:30] [INFO ] Deduced a trap composed of 70 places in 630 ms of which 49 ms to minimize.
[2025-06-01 23:15:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 705 ms
[2025-06-01 23:15:30] [INFO ] Added : 10 causal constraints over 3 iterations in 1092 ms. Result :sat
Minimization took 329 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 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 75 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 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 78 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-01 23:15:30] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 23:15:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:15:31] [INFO ] Implicit Places using invariants in 760 ms returned []
[2025-06-01 23:15:31] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 23:15:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:15:32] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:15:35] [INFO ] Implicit Places using invariants and state equation in 3611 ms returned []
Implicit Place search using SMT with State Equation took 4373 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:15:35] [INFO ] Redundant transitions in 29 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-01 23:15:35] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 23:15:35] [INFO ] Invariant cache hit.
[2025-06-01 23:15:35] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:15:57] [INFO ] Deduced a trap composed of 131 places in 489 ms of which 15 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 4 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 420/1107 variables, and 4 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1214 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62387ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 62390ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66878 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-01 23:16:37] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:16:38] [INFO ] Flatten gal took : 51 ms
RANDOM walk for 36706 steps (8 resets) in 285 ms. (128 steps per ms) remains 0/1 properties
[2025-06-01 23:16:38] [INFO ] Flatten gal took : 51 ms
[2025-06-01 23:16:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3898525161464233237.gal : 8 ms
[2025-06-01 23:16:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15251723968677442537.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3898525161464233237.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15251723968677442537.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-14 in 78146 ms.
Starting property specific reduction for FunctionPointer-PT-c002-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:16:38] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
// Phase 1: matrix 738 rows 449 cols
[2025-06-01 23:16:38] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 63 ms. (156 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:16:38] [INFO ] Flow matrix only has 738 transitions (discarded 545 similar events)
[2025-06-01 23:16:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:16:38] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 23:16:39] [INFO ] [Real]Absence check using state equation in 421 ms returned sat
[2025-06-01 23:16:39] [INFO ] State equation strengthened by 90 read => feed constraints.
[2025-06-01 23:16:39] [INFO ] [Real]Added 90 Read/Feed constraints in 58 ms returned sat
[2025-06-01 23:16:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 23:16:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 23:16:39] [INFO ] [Nat]Absence check using state equation in 409 ms returned sat
[2025-06-01 23:16:39] [INFO ] [Nat]Added 90 Read/Feed constraints in 110 ms returned sat
[2025-06-01 23:16:40] [INFO ] Computed and/alt/rep : 102/166/89 causal constraints (skipped 647 transitions) in 176 ms.
[2025-06-01 23:16:40] [INFO ] Added : 2 causal constraints over 1 iterations in 351 ms. Result :sat
Minimization took 502 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 449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 449/449 places, 1283/1283 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 443 transition count 1269
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 443 transition count 1269
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 443 transition count 1263
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 23 place count 438 transition count 1253
Iterating global reduction 1 with 5 rules applied. Total rules applied 28 place count 438 transition count 1253
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 32 place count 434 transition count 1245
Iterating global reduction 1 with 4 rules applied. Total rules applied 36 place count 434 transition count 1245
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 39 place count 431 transition count 1235
Iterating global reduction 1 with 3 rules applied. Total rules applied 42 place count 431 transition count 1235
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 45 place count 428 transition count 1229
Iterating global reduction 1 with 3 rules applied. Total rules applied 48 place count 428 transition count 1229
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 51 place count 425 transition count 1223
Iterating global reduction 1 with 3 rules applied. Total rules applied 54 place count 425 transition count 1223
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 57 place count 422 transition count 1217
Iterating global reduction 1 with 3 rules applied. Total rules applied 60 place count 422 transition count 1217
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 62 place count 420 transition count 1213
Iterating global reduction 1 with 2 rules applied. Total rules applied 64 place count 420 transition count 1213
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 66 place count 418 transition count 1209
Iterating global reduction 1 with 2 rules applied. Total rules applied 68 place count 418 transition count 1209
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 70 place count 416 transition count 1205
Iterating global reduction 1 with 2 rules applied. Total rules applied 72 place count 416 transition count 1205
Applied a total of 72 rules in 282 ms. Remains 416 /449 variables (removed 33) and now considering 1205/1283 (removed 78) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 282 ms. Remains : 416/449 places, 1205/1283 transitions.
[2025-06-01 23:16:41] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 23:16:41] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
// Phase 1: matrix 680 rows 416 cols
[2025-06-01 23:16:41] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3621 ms. (276 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 762 ms. (1310 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 23:16:46] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:16:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:16:46] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 23:16:46] [INFO ] [Real]Absence check using state equation in 353 ms returned sat
[2025-06-01 23:16:46] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:16:46] [INFO ] [Real]Added 75 Read/Feed constraints in 63 ms returned sat
[2025-06-01 23:16:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:16:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 23:16:47] [INFO ] [Nat]Absence check using state equation in 355 ms returned sat
[2025-06-01 23:16:47] [INFO ] [Nat]Added 75 Read/Feed constraints in 84 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:16:47] [INFO ] Deduced a trap composed of 69 places in 576 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:16:48] [INFO ] Deduced a trap composed of 131 places in 517 ms of which 14 ms to minimize.
[2025-06-01 23:16:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1231 ms
[2025-06-01 23:16:48] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 149 ms.
[2025-06-01 23:16:49] [INFO ] Added : 6 causal constraints over 2 iterations in 440 ms. Result :sat
Minimization took 820 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 57 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 56 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-01 23:16:49] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:16:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:16:50] [INFO ] Implicit Places using invariants in 764 ms returned []
[2025-06-01 23:16:50] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:16:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:16:51] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:16:53] [INFO ] Implicit Places using invariants and state equation in 2366 ms returned []
Implicit Place search using SMT with State Equation took 3132 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:16:53] [INFO ] Redundant transitions in 29 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-01 23:16:53] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:16:53] [INFO ] Invariant cache hit.
[2025-06-01 23:16:53] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:17:16] [INFO ] Deduced a trap composed of 131 places in 483 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62564ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62566ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65792 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-01 23:17:55] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 23:17:56] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:17:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3988 ms. (250 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 765 ms. (1305 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 23:18:01] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:18:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:18:01] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 23:18:01] [INFO ] [Real]Absence check using state equation in 350 ms returned sat
[2025-06-01 23:18:01] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:18:01] [INFO ] [Real]Added 75 Read/Feed constraints in 61 ms returned sat
[2025-06-01 23:18:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 23:18:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 23:18:02] [INFO ] [Nat]Absence check using state equation in 348 ms returned sat
[2025-06-01 23:18:02] [INFO ] [Nat]Added 75 Read/Feed constraints in 95 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:18:02] [INFO ] Deduced a trap composed of 69 places in 629 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:18:03] [INFO ] Deduced a trap composed of 131 places in 504 ms of which 15 ms to minimize.
[2025-06-01 23:18:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1270 ms
[2025-06-01 23:18:03] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 154 ms.
[2025-06-01 23:18:04] [INFO ] Added : 6 causal constraints over 2 iterations in 442 ms. Result :sat
Minimization took 815 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 52 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 52 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-01 23:18:04] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:18:05] [INFO ] Implicit Places using invariants in 738 ms returned []
[2025-06-01 23:18:05] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:18:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 23:18:06] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 23:18:08] [INFO ] Implicit Places using invariants and state equation in 2637 ms returned []
Implicit Place search using SMT with State Equation took 3377 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 23:18:08] [INFO ] Redundant transitions in 29 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-01 23:18:08] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 23:18:08] [INFO ] Invariant cache hit.
[2025-06-01 23:18:08] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 23:18:30] [INFO ] Deduced a trap composed of 131 places in 485 ms of which 14 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1203 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62368ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62370ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65836 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-01 23:19:10] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 23:19:11] [INFO ] Flatten gal took : 33 ms
[2025-06-01 23:19:11] [INFO ] Flatten gal took : 33 ms
[2025-06-01 23:19:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13384235121410576074.gal : 6 ms
[2025-06-01 23:19:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8085556252431242156.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13384235121410576074.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8085556252431242156.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40002 steps (8 resets) in 270 ms. (147 steps per ms) remains 1/1 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40003 steps (8 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality8085556252431242156.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 17 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,53763,2.5826,56396,2,1561,9,277831,6,0,2871,20050,0
Total reachable state count : 53763
Verifying 1 reachability properties.
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1,2.58475,56396,2,417,9,277831,7,0,2874,20050,0
Interrupted probabilistic random walk after 413283 steps, run timeout after 3001 ms. (steps per millisecond=137 ) properties seen :0 out of 1
Probabilistic random walk after 413283 steps, saw 253426 distinct states, run finished after 3001 ms. (steps per millisecond=137 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c002-UpperBounds-15 in 155959 ms.
[2025-06-01 23:19:14] [INFO ] Flatten gal took : 30 ms
[2025-06-01 23:19:14] [INFO ] Applying decomposition
[2025-06-01 23:19:14] [INFO ] Flatten gal took : 31 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2001380699038660734.txt' '-o' '/tmp/graph2001380699038660734.bin' '-w' '/tmp/graph2001380699038660734.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2001380699038660734.bin' '-l' '-1' '-v' '-w' '/tmp/graph2001380699038660734.weights' '-q' '0' '-e' '0.001'
[2025-06-01 23:19:14] [INFO ] Decomposing Gal with order
[2025-06-01 23:19:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 23:19:14] [INFO ] Removed a total of 2213 redundant transitions.
[2025-06-01 23:19:14] [INFO ] Flatten gal took : 69 ms
[2025-06-01 23:19:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 920 labels/synchronizations in 47 ms.
[2025-06-01 23:19:14] [INFO ] Time to serialize gal into /tmp/UpperBounds2983309646722789763.gal : 12 ms
[2025-06-01 23:19:14] [INFO ] Time to serialize properties into /tmp/UpperBounds13185849976740172206.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds2983309646722789763.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13185849976740172206.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds13185849976740172206.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-c002"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-c002, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r100-smll-174867007400117"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c002.tgz
mv FunctionPointer-PT-c002 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 ;