About the Execution of GreatSPN+red for SieveSingleMsgMbox-PT-d2m64
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 11698.264 | 984203.00 | 2255800.00 | 2015.20 | 1 0 ? 0 0 0 0 ? 0 0 0 0 0 0 0 0 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r377-smll-171683809800133.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool greatspnxred
Input is SieveSingleMsgMbox-PT-d2m64, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r377-smll-171683809800133
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 6.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 19:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Apr 12 19:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 19:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Apr 12 19:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 1.1M May 18 16:43 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
here is the order used to build the result vector(from text file)
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-00
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-01
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-02
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-03
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-04
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-05
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-06
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-07
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-08
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-09
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-10
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-11
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-12
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-13
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-14
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1716928285173
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d2m64
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-28 20:31:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-28 20:31:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 20:31:27] [INFO ] Load time of PNML (sax parser for PT used): 431 ms
[2024-05-28 20:31:27] [INFO ] Transformed 2398 places.
[2024-05-28 20:31:27] [INFO ] Transformed 1954 transitions.
[2024-05-28 20:31:27] [INFO ] Parsed PT model containing 2398 places and 1954 transitions and 7816 arcs in 632 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Deduced a syphon composed of 1984 places in 26 ms
Reduce places removed 1984 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
// Phase 1: matrix 1954 rows 414 cols
[2024-05-28 20:31:28] [INFO ] Computed 6 invariants in 90 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 115, 12]
RANDOM walk for 10000 steps (2224 resets) in 456 ms. (21 steps per ms)
BEST_FIRST walk for 30001 steps (2850 resets) in 261 ms. (114 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 115, 12]
[2024-05-28 20:31:28] [INFO ] Invariant cache hit.
[2024-05-28 20:31:29] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2024-05-28 20:31:29] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 18 ms returned sat
[2024-05-28 20:31:30] [INFO ] [Real]Absence check using state equation in 649 ms returned sat
[2024-05-28 20:31:30] [INFO ] State equation strengthened by 1674 read => feed constraints.
[2024-05-28 20:31:30] [INFO ] [Real]Added 1674 Read/Feed constraints in 567 ms returned sat
[2024-05-28 20:31:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:31:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-28 20:31:31] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2024-05-28 20:31:31] [INFO ] [Nat]Absence check using state equation in 543 ms returned sat
[2024-05-28 20:31:32] [INFO ] [Nat]Added 1674 Read/Feed constraints in 627 ms returned sat
[2024-05-28 20:31:32] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 501 ms.
[2024-05-28 20:31:33] [INFO ] Added : 5 causal constraints over 1 iterations in 852 ms. Result :sat
Minimization took 557 ms.
[2024-05-28 20:31:33] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-28 20:31:33] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 5 ms returned sat
[2024-05-28 20:31:34] [INFO ] [Real]Absence check using state equation in 663 ms returned sat
[2024-05-28 20:31:35] [INFO ] [Real]Added 1674 Read/Feed constraints in 547 ms returned sat
[2024-05-28 20:31:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:31:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-28 20:31:35] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2024-05-28 20:31:35] [INFO ] [Nat]Absence check using state equation in 583 ms returned sat
[2024-05-28 20:31:36] [INFO ] [Nat]Added 1674 Read/Feed constraints in 522 ms returned sat
[2024-05-28 20:31:36] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 245 ms.
[2024-05-28 20:31:37] [INFO ] Added : 23 causal constraints over 5 iterations in 1389 ms. Result :sat
Minimization took 557 ms.
[2024-05-28 20:31:38] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-28 20:31:38] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 5 ms returned sat
[2024-05-28 20:31:39] [INFO ] [Real]Absence check using state equation in 548 ms returned sat
[2024-05-28 20:31:39] [INFO ] [Real]Added 1674 Read/Feed constraints in 520 ms returned sat
[2024-05-28 20:31:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:31:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-28 20:31:39] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2024-05-28 20:31:40] [INFO ] [Nat]Absence check using state equation in 545 ms returned sat
[2024-05-28 20:31:41] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-28 20:31:41] [INFO ] [Nat]Added 1674 Read/Feed constraints in 1077 ms returned sat
[2024-05-28 20:31:41] [INFO ] Deduced a trap composed of 44 places in 432 ms of which 84 ms to minimize.
[2024-05-28 20:31:42] [INFO ] Deduced a trap composed of 45 places in 580 ms of which 5 ms to minimize.
[2024-05-28 20:31:43] [INFO ] Deduced a trap composed of 155 places in 482 ms of which 7 ms to minimize.
[2024-05-28 20:31:43] [INFO ] Deduced a trap composed of 155 places in 375 ms of which 5 ms to minimize.
[2024-05-28 20:31:44] [INFO ] Deduced a trap composed of 240 places in 308 ms of which 4 ms to minimize.
[2024-05-28 20:31:44] [INFO ] Deduced a trap composed of 245 places in 363 ms of which 4 ms to minimize.
[2024-05-28 20:31:44] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:868)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2251)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:910)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 115, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 115, 12]
Support contains 3 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1954/1954 transitions.
Graph (complete) has 2618 edges and 414 vertex of which 388 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.10 ms
Discarding 26 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 828 transitions
Reduce isomorphic transitions removed 830 transitions.
Iterating post reduction 0 with 830 rules applied. Total rules applied 831 place count 388 transition count 1124
Discarding 118 places :
Symmetric choice reduction at 1 with 118 rule applications. Total rules 949 place count 270 transition count 389
Iterating global reduction 1 with 118 rules applied. Total rules applied 1067 place count 270 transition count 389
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 1077 place count 270 transition count 379
Discarding 92 places :
Symmetric choice reduction at 2 with 92 rule applications. Total rules 1169 place count 178 transition count 287
Iterating global reduction 2 with 92 rules applied. Total rules applied 1261 place count 178 transition count 287
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 1296 place count 178 transition count 252
Discarding 37 places :
Symmetric choice reduction at 3 with 37 rule applications. Total rules 1333 place count 141 transition count 202
Iterating global reduction 3 with 37 rules applied. Total rules applied 1370 place count 141 transition count 202
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 3 with 26 rules applied. Total rules applied 1396 place count 141 transition count 176
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 1405 place count 132 transition count 162
Iterating global reduction 4 with 9 rules applied. Total rules applied 1414 place count 132 transition count 162
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 1422 place count 124 transition count 154
Iterating global reduction 4 with 8 rules applied. Total rules applied 1430 place count 124 transition count 154
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 1434 place count 120 transition count 150
Iterating global reduction 4 with 4 rules applied. Total rules applied 1438 place count 120 transition count 150
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1440 place count 120 transition count 148
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 1444 place count 116 transition count 144
Iterating global reduction 5 with 4 rules applied. Total rules applied 1448 place count 116 transition count 144
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 1451 place count 113 transition count 141
Iterating global reduction 5 with 3 rules applied. Total rules applied 1454 place count 113 transition count 141
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1455 place count 112 transition count 138
Iterating global reduction 5 with 1 rules applied. Total rules applied 1456 place count 112 transition count 138
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1457 place count 111 transition count 137
Iterating global reduction 5 with 1 rules applied. Total rules applied 1458 place count 111 transition count 137
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1459 place count 110 transition count 136
Iterating global reduction 5 with 1 rules applied. Total rules applied 1460 place count 110 transition count 136
Applied a total of 1460 rules in 235 ms. Remains 110 /414 variables (removed 304) and now considering 136/1954 (removed 1818) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 256 ms. Remains : 110/414 places, 136/1954 transitions.
// Phase 1: matrix 136 rows 110 cols
[2024-05-28 20:31:45] [INFO ] Computed 4 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 64, 12]
RANDOM walk for 1000000 steps (224189 resets) in 1344 ms. (743 steps per ms)
BEST_FIRST walk for 3000001 steps (310207 resets) in 1972 ms. (1520 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 64, 12]
[2024-05-28 20:31:48] [INFO ] Invariant cache hit.
[2024-05-28 20:31:48] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-28 20:31:48] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 4 ms returned sat
[2024-05-28 20:31:48] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-28 20:31:48] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-28 20:31:48] [INFO ] [Real]Added 58 Read/Feed constraints in 14 ms returned sat
[2024-05-28 20:31:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:31:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-28 20:31:48] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-28 20:31:48] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-05-28 20:31:48] [INFO ] [Nat]Added 58 Read/Feed constraints in 21 ms returned sat
[2024-05-28 20:31:48] [INFO ] Computed and/alt/rep : 29/79/29 causal constraints (skipped 106 transitions) in 13 ms.
[2024-05-28 20:31:48] [INFO ] Added : 8 causal constraints over 2 iterations in 59 ms. Result :sat
Minimization took 94 ms.
[2024-05-28 20:31:48] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-28 20:31:48] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-28 20:31:48] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-28 20:31:48] [INFO ] [Real]Added 58 Read/Feed constraints in 16 ms returned sat
[2024-05-28 20:31:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:31:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Nat]Added 58 Read/Feed constraints in 15 ms returned sat
[2024-05-28 20:31:49] [INFO ] Computed and/alt/rep : 29/79/29 causal constraints (skipped 106 transitions) in 10 ms.
[2024-05-28 20:31:49] [INFO ] Added : 13 causal constraints over 3 iterations in 65 ms. Result :sat
Minimization took 154 ms.
[2024-05-28 20:31:49] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Real]Added 58 Read/Feed constraints in 21 ms returned sat
[2024-05-28 20:31:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:31:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2024-05-28 20:31:49] [INFO ] [Nat]Added 58 Read/Feed constraints in 22 ms returned sat
[2024-05-28 20:31:49] [INFO ] Deduced a trap composed of 27 places in 48 ms of which 1 ms to minimize.
[2024-05-28 20:31:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-28 20:31:49] [INFO ] Computed and/alt/rep : 29/79/29 causal constraints (skipped 106 transitions) in 12 ms.
[2024-05-28 20:31:49] [INFO ] Added : 21 causal constraints over 5 iterations in 95 ms. Result :sat
Minimization took 96 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 64, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0] Max Struct:[1, 64, 12]
Support contains 3 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 136/136 transitions.
Applied a total of 0 rules in 12 ms. Remains 110 /110 variables (removed 0) and now considering 136/136 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 110/110 places, 136/136 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 136/136 transitions.
Applied a total of 0 rules in 11 ms. Remains 110 /110 variables (removed 0) and now considering 136/136 (removed 0) transitions.
[2024-05-28 20:31:49] [INFO ] Invariant cache hit.
[2024-05-28 20:31:50] [INFO ] Implicit Places using invariants in 296 ms returned []
[2024-05-28 20:31:50] [INFO ] Invariant cache hit.
[2024-05-28 20:31:50] [INFO ] State equation strengthened by 58 read => feed constraints.
[2024-05-28 20:31:50] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 656 ms to find 0 implicit places.
[2024-05-28 20:31:50] [INFO ] Redundant transitions in 4 ms returned []
Running 135 sub problems to find dead transitions.
[2024-05-28 20:31:50] [INFO ] Invariant cache hit.
[2024-05-28 20:31:50] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/109 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 1/110 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/246 variables, 110/114 constraints. Problems are: Problem set: 0 solved, 135 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 58/172 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 8 (OVERLAPS) 0/246 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 172 constraints, problems are : Problem set: 0 solved, 135 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 110/110 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 135 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/109 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 1/110 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/246 variables, 110/114 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 58/172 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 135/307 constraints. Problems are: Problem set: 0 solved, 135 unsolved
[2024-05-28 20:31:59] [INFO ] Deduced a trap composed of 27 places in 34 ms of which 1 ms to minimize.
Problem TDEAD38 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD124 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 1/308 constraints. Problems are: Problem set: 3 solved, 132 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 0/308 constraints. Problems are: Problem set: 3 solved, 132 unsolved
At refinement iteration 10 (OVERLAPS) 0/246 variables, 0/308 constraints. Problems are: Problem set: 3 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 308 constraints, problems are : Problem set: 3 solved, 132 unsolved in 13386 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 110/110 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 1/1 constraints]
After SMT, in 18798ms problems are : Problem set: 3 solved, 132 unsolved
Search for dead transitions found 3 dead transitions in 18813ms
Found 3 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 3 transitions
Dead transitions reduction (with SMT) removed 3 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 110/110 places, 133/136 transitions.
Graph (complete) has 317 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 13 ms. Remains 107 /110 variables (removed 3) and now considering 133/133 (removed 0) transitions.
// Phase 1: matrix 133 rows 107 cols
[2024-05-28 20:32:09] [INFO ] Computed 3 invariants in 1 ms
[2024-05-28 20:32:09] [INFO ] Implicit Places using invariants in 138 ms returned []
[2024-05-28 20:32:09] [INFO ] Invariant cache hit.
[2024-05-28 20:32:09] [INFO ] State equation strengthened by 57 read => feed constraints.
[2024-05-28 20:32:09] [INFO ] Implicit Places using invariants and state equation in 327 ms returned []
Implicit Place search using SMT with State Equation took 468 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 107/110 places, 133/136 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 19988 ms. Remains : 107/110 places, 133/136 transitions.
[2024-05-28 20:32:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0] Max Struct:[1, 64, 12]
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (224500 resets) in 1247 ms. (801 steps per ms)
BEST_FIRST walk for 2000002 steps (206509 resets) in 1265 ms. (1579 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[64, 12]
[2024-05-28 20:32:12] [INFO ] Invariant cache hit.
[2024-05-28 20:32:12] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:12] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-28 20:32:12] [INFO ] State equation strengthened by 57 read => feed constraints.
[2024-05-28 20:32:12] [INFO ] [Real]Added 57 Read/Feed constraints in 16 ms returned sat
[2024-05-28 20:32:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:32:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:12] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2024-05-28 20:32:12] [INFO ] [Nat]Added 57 Read/Feed constraints in 15 ms returned sat
[2024-05-28 20:32:12] [INFO ] Computed and/alt/rep : 28/75/28 causal constraints (skipped 104 transitions) in 10 ms.
[2024-05-28 20:32:12] [INFO ] Added : 14 causal constraints over 4 iterations in 77 ms. Result :sat
Minimization took 227 ms.
[2024-05-28 20:32:13] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-28 20:32:13] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-28 20:32:13] [INFO ] [Real]Added 57 Read/Feed constraints in 19 ms returned sat
[2024-05-28 20:32:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:32:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:13] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2024-05-28 20:32:13] [INFO ] [Nat]Added 57 Read/Feed constraints in 19 ms returned sat
[2024-05-28 20:32:13] [INFO ] Deduced a trap composed of 27 places in 45 ms of which 2 ms to minimize.
[2024-05-28 20:32:13] [INFO ] Deduced a trap composed of 42 places in 61 ms of which 1 ms to minimize.
[2024-05-28 20:32:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 129 ms
[2024-05-28 20:32:13] [INFO ] Computed and/alt/rep : 28/75/28 causal constraints (skipped 104 transitions) in 11 ms.
[2024-05-28 20:32:13] [INFO ] Added : 21 causal constraints over 5 iterations in 108 ms. Result :sat
Minimization took 96 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[64, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[64, 12]
Support contains 2 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 133/133 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 106 transition count 132
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 106 transition count 132
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 105 transition count 130
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 105 transition count 130
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 104 transition count 129
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 104 transition count 129
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 103 transition count 128
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 103 transition count 128
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 102 transition count 127
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 102 transition count 127
Applied a total of 10 rules in 26 ms. Remains 102 /107 variables (removed 5) and now considering 127/133 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 102/107 places, 127/133 transitions.
// Phase 1: matrix 127 rows 102 cols
[2024-05-28 20:32:13] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[64, 12]
RANDOM walk for 1000000 steps (224264 resets) in 1182 ms. (845 steps per ms)
BEST_FIRST walk for 2000001 steps (207103 resets) in 1198 ms. (1668 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[64, 12]
[2024-05-28 20:32:16] [INFO ] Invariant cache hit.
[2024-05-28 20:32:16] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-28 20:32:16] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-28 20:32:16] [INFO ] State equation strengthened by 55 read => feed constraints.
[2024-05-28 20:32:16] [INFO ] [Real]Added 55 Read/Feed constraints in 11 ms returned sat
[2024-05-28 20:32:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:32:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:16] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-05-28 20:32:16] [INFO ] [Nat]Added 55 Read/Feed constraints in 19 ms returned sat
[2024-05-28 20:32:16] [INFO ] Computed and/alt/rep : 26/72/26 causal constraints (skipped 100 transitions) in 10 ms.
[2024-05-28 20:32:16] [INFO ] Added : 15 causal constraints over 3 iterations in 66 ms. Result :sat
Minimization took 237 ms.
[2024-05-28 20:32:16] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:16] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-28 20:32:16] [INFO ] [Real]Added 55 Read/Feed constraints in 20 ms returned sat
[2024-05-28 20:32:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:32:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-28 20:32:16] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-05-28 20:32:16] [INFO ] [Nat]Added 55 Read/Feed constraints in 19 ms returned sat
[2024-05-28 20:32:16] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 2 ms to minimize.
[2024-05-28 20:32:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-28 20:32:16] [INFO ] Computed and/alt/rep : 26/72/26 causal constraints (skipped 100 transitions) in 10 ms.
[2024-05-28 20:32:17] [INFO ] Added : 20 causal constraints over 4 iterations in 82 ms. Result :sat
Minimization took 78 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[64, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[64, 12]
Support contains 2 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 127/127 transitions.
Applied a total of 0 rules in 8 ms. Remains 102 /102 variables (removed 0) and now considering 127/127 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 102/102 places, 127/127 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 127/127 transitions.
Applied a total of 0 rules in 7 ms. Remains 102 /102 variables (removed 0) and now considering 127/127 (removed 0) transitions.
[2024-05-28 20:32:17] [INFO ] Invariant cache hit.
[2024-05-28 20:32:17] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-28 20:32:17] [INFO ] Invariant cache hit.
[2024-05-28 20:32:17] [INFO ] State equation strengthened by 55 read => feed constraints.
[2024-05-28 20:32:17] [INFO ] Implicit Places using invariants and state equation in 282 ms returned []
Implicit Place search using SMT with State Equation took 410 ms to find 0 implicit places.
[2024-05-28 20:32:17] [INFO ] Redundant transitions in 3 ms returned []
Running 126 sub problems to find dead transitions.
[2024-05-28 20:32:17] [INFO ] Invariant cache hit.
[2024-05-28 20:32:17] [INFO ] State equation strengthened by 55 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 2 (OVERLAPS) 1/102 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 126 unsolved
Problem TDEAD34 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD113 is UNSAT
At refinement iteration 4 (OVERLAPS) 127/229 variables, 102/105 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/229 variables, 55/160 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/229 variables, 0/160 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 7 (OVERLAPS) 0/229 variables, 0/160 constraints. Problems are: Problem set: 3 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Real declared 229/229 variables, and 160 constraints, problems are : Problem set: 3 solved, 123 unsolved in 3995 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 126/126 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 123 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 2/3 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 4 (OVERLAPS) 126/225 variables, 99/102 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/225 variables, 54/156 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 14/170 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/170 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 8 (OVERLAPS) 4/229 variables, 3/173 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/229 variables, 1/174 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/229 variables, 109/283 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 0/283 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 12 (OVERLAPS) 0/229 variables, 0/283 constraints. Problems are: Problem set: 3 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Int declared 229/229 variables, and 283 constraints, problems are : Problem set: 3 solved, 123 unsolved in 11151 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 102/102 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 123/126 constraints, Known Traps: 0/0 constraints]
After SMT, in 15368ms problems are : Problem set: 3 solved, 123 unsolved
Search for dead transitions found 3 dead transitions in 15371ms
Found 3 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 3 transitions
Dead transitions reduction (with SMT) removed 3 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 102/102 places, 124/127 transitions.
Graph (complete) has 294 edges and 102 vertex of which 99 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 99 /102 variables (removed 3) and now considering 124/124 (removed 0) transitions.
// Phase 1: matrix 124 rows 99 cols
[2024-05-28 20:32:32] [INFO ] Computed 3 invariants in 1 ms
[2024-05-28 20:32:33] [INFO ] Implicit Places using invariants in 110 ms returned []
[2024-05-28 20:32:33] [INFO ] Invariant cache hit.
[2024-05-28 20:32:33] [INFO ] State equation strengthened by 54 read => feed constraints.
[2024-05-28 20:32:33] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 407 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 99/102 places, 124/127 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 16212 ms. Remains : 99/102 places, 124/127 transitions.
[2024-05-28 20:32:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[64, 12]
RANDOM walk for 1000000 steps (224491 resets) in 1172 ms. (852 steps per ms)
BEST_FIRST walk for 2000001 steps (206507 resets) in 1244 ms. (1606 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[64, 12]
[2024-05-28 20:32:35] [INFO ] Invariant cache hit.
[2024-05-28 20:32:35] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:35] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-28 20:32:35] [INFO ] State equation strengthened by 54 read => feed constraints.
[2024-05-28 20:32:35] [INFO ] [Real]Added 54 Read/Feed constraints in 14 ms returned sat
[2024-05-28 20:32:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:32:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:36] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-05-28 20:32:36] [INFO ] [Nat]Added 54 Read/Feed constraints in 14 ms returned sat
[2024-05-28 20:32:36] [INFO ] Computed and/alt/rep : 25/67/25 causal constraints (skipped 98 transitions) in 10 ms.
[2024-05-28 20:32:36] [INFO ] Added : 13 causal constraints over 3 iterations in 62 ms. Result :sat
Minimization took 98 ms.
[2024-05-28 20:32:36] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:36] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-05-28 20:32:36] [INFO ] [Real]Added 54 Read/Feed constraints in 22 ms returned sat
[2024-05-28 20:32:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:32:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:32:36] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2024-05-28 20:32:36] [INFO ] [Nat]Added 54 Read/Feed constraints in 25 ms returned sat
[2024-05-28 20:32:36] [INFO ] Computed and/alt/rep : 25/67/25 causal constraints (skipped 98 transitions) in 11 ms.
[2024-05-28 20:32:36] [INFO ] Added : 20 causal constraints over 4 iterations in 81 ms. Result :sat
Minimization took 65 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[64, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[64, 12]
Support contains 2 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 124/124 transitions.
Applied a total of 0 rules in 5 ms. Remains 99 /99 variables (removed 0) and now considering 124/124 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 99/99 places, 124/124 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 124/124 transitions.
Applied a total of 0 rules in 6 ms. Remains 99 /99 variables (removed 0) and now considering 124/124 (removed 0) transitions.
[2024-05-28 20:32:36] [INFO ] Invariant cache hit.
[2024-05-28 20:32:36] [INFO ] Implicit Places using invariants in 145 ms returned []
[2024-05-28 20:32:36] [INFO ] Invariant cache hit.
[2024-05-28 20:32:36] [INFO ] State equation strengthened by 54 read => feed constraints.
[2024-05-28 20:32:37] [INFO ] Implicit Places using invariants and state equation in 266 ms returned []
Implicit Place search using SMT with State Equation took 413 ms to find 0 implicit places.
[2024-05-28 20:32:37] [INFO ] Redundant transitions in 3 ms returned []
Running 123 sub problems to find dead transitions.
[2024-05-28 20:32:37] [INFO ] Invariant cache hit.
[2024-05-28 20:32:37] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 4 (OVERLAPS) 124/223 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/223 variables, 54/156 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/223 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 7 (OVERLAPS) 0/223 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Real declared 223/223 variables, and 156 constraints, problems are : Problem set: 0 solved, 123 unsolved in 4016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 123 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 4 (OVERLAPS) 124/223 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/223 variables, 54/156 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/223 variables, 123/279 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 8 (OVERLAPS) 0/223 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Int declared 223/223 variables, and 279 constraints, problems are : Problem set: 0 solved, 123 unsolved in 7556 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 0/0 constraints]
After SMT, in 11727ms problems are : Problem set: 0 solved, 123 unsolved
Search for dead transitions found 0 dead transitions in 11729ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12159 ms. Remains : 99/99 places, 124/124 transitions.
RANDOM walk for 40000 steps (8979 resets) in 1209 ms. (33 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (4185 resets) in 225 ms. (177 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (4224 resets) in 154 ms. (258 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (4154 resets) in 134 ms. (296 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (4180 resets) in 115 ms. (344 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 722310 steps, run timeout after 3001 ms. (steps per millisecond=240 ) properties seen :1 out of 4
Probabilistic random walk after 722310 steps, saw 308607 distinct states, run finished after 3006 ms. (steps per millisecond=240 ) properties seen :1
[2024-05-28 20:32:52] [INFO ] Invariant cache hit.
[2024-05-28 20:32:52] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 47/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 8/57 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 85/142 variables, 57/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 67/209 variables, 31/91 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/209 variables, 51/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/209 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem MAX1 is UNSAT
At refinement iteration 10 (OVERLAPS) 14/223 variables, 11/153 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/223 variables, 3/156 constraints. Problems are: Problem set: 1 solved, 2 unsolved
[2024-05-28 20:32:52] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 1/157 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 0/157 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/223 variables, 0/157 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 223/223 variables, and 157 constraints, problems are : Problem set: 2 solved, 1 unsolved in 348 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 2 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 97/111 variables, 14/15 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 26/41 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 1/42 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/42 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 106/217 variables, 78/120 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/217 variables, 1/121 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/217 variables, 28/149 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/217 variables, 1/150 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/217 variables, 0/150 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/223 variables, 2/152 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 6/158 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/223 variables, 0/158 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/223 variables, 0/158 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 223/223 variables, and 158 constraints, problems are : Problem set: 2 solved, 1 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 1/3 constraints, Known Traps: 1/1 constraints]
After SMT, in 523ms problems are : Problem set: 2 solved, 1 unsolved
Parikh walk visited 0 properties in 39 ms.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 124/124 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 98 transition count 122
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 98 transition count 122
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 98 transition count 121
Applied a total of 3 rules in 9 ms. Remains 98 /99 variables (removed 1) and now considering 121/124 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 98/99 places, 121/124 transitions.
RANDOM walk for 40000 steps (8970 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (4148 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2356166 steps, run timeout after 3001 ms. (steps per millisecond=785 ) properties seen :0 out of 1
Probabilistic random walk after 2356166 steps, saw 988996 distinct states, run finished after 3001 ms. (steps per millisecond=785 ) properties seen :0
// Phase 1: matrix 121 rows 98 cols
[2024-05-28 20:32:56] [INFO ] Computed 3 invariants in 1 ms
[2024-05-28 20:32:56] [INFO ] State equation strengthened by 53 read => feed constraints.
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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 104/213 variables, 77/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 27/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/219 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 6/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 1 unsolved in 127 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 104/213 variables, 77/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 27/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/213 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/219 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 6/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/219 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/219 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 155 constraints, problems are : Problem set: 0 solved, 1 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 289ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 5 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 98/98 places, 121/121 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 5 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
[2024-05-28 20:32:56] [INFO ] Invariant cache hit.
[2024-05-28 20:32:56] [INFO ] Implicit Places using invariants in 108 ms returned []
[2024-05-28 20:32:56] [INFO ] Invariant cache hit.
[2024-05-28 20:32:56] [INFO ] State equation strengthened by 53 read => feed constraints.
[2024-05-28 20:32:56] [INFO ] Implicit Places using invariants and state equation in 251 ms returned []
Implicit Place search using SMT with State Equation took 362 ms to find 0 implicit places.
[2024-05-28 20:32:56] [INFO ] Redundant transitions in 3 ms returned []
Running 120 sub problems to find dead transitions.
[2024-05-28 20:32:56] [INFO ] Invariant cache hit.
[2024-05-28 20:32:56] [INFO ] State equation strengthened by 53 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 120 unsolved in 3774 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 120/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (OVERLAPS) 0/219 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 274 constraints, problems are : Problem set: 0 solved, 120 unsolved in 7622 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints]
After SMT, in 11544ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 11547ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11923 ms. Remains : 98/98 places, 121/121 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 113
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 14 place count 92 transition count 113
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 14 place count 92 transition count 98
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 44 place count 77 transition count 98
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 56 place count 71 transition count 92
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 70 transition count 101
Applied a total of 58 rules in 21 ms. Remains 70 /98 variables (removed 28) and now considering 101/121 (removed 20) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 70 cols
[2024-05-28 20:33:08] [INFO ] Computed 4 invariants in 3 ms
[2024-05-28 20:33:08] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 20:33:08] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-28 20:33:08] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-28 20:33:08] [INFO ] After 45ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 20:33:08] [INFO ] Deduced a trap composed of 39 places in 37 ms of which 1 ms to minimize.
[2024-05-28 20:33:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
TRAPS : Iteration 1
[2024-05-28 20:33:08] [INFO ] After 117ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-28 20:33:08] [INFO ] After 158ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 238 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0, 0] Max Struct:[64, 12]
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m64-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:[64]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[64]
// Phase 1: matrix 124 rows 99 cols
[2024-05-28 20:33:08] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 10000 steps (2234 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10000 steps (1079 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[64]
[2024-05-28 20:33:08] [INFO ] Invariant cache hit.
[2024-05-28 20:33:08] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:33:08] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-28 20:33:08] [INFO ] State equation strengthened by 54 read => feed constraints.
[2024-05-28 20:33:08] [INFO ] [Real]Added 54 Read/Feed constraints in 15 ms returned sat
[2024-05-28 20:33:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:33:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:33:08] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2024-05-28 20:33:08] [INFO ] [Nat]Added 54 Read/Feed constraints in 14 ms returned sat
[2024-05-28 20:33:08] [INFO ] Computed and/alt/rep : 25/67/25 causal constraints (skipped 98 transitions) in 11 ms.
[2024-05-28 20:33:08] [INFO ] Added : 13 causal constraints over 3 iterations in 63 ms. Result :sat
Minimization took 94 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[64]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 124/124 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 98 transition count 112
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 98 transition count 112
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 97 transition count 111
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 97 transition count 111
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 97 transition count 110
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 96 transition count 108
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 96 transition count 108
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 96 transition count 107
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 95 transition count 106
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 95 transition count 106
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 94 transition count 105
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 94 transition count 105
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 93 transition count 104
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 93 transition count 104
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 15 place count 93 transition count 103
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 16 place count 92 transition count 102
Iterating global reduction 3 with 1 rules applied. Total rules applied 17 place count 92 transition count 102
Applied a total of 17 rules in 20 ms. Remains 92 /99 variables (removed 7) and now considering 102/124 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 92/99 places, 102/124 transitions.
// Phase 1: matrix 102 rows 92 cols
[2024-05-28 20:33:08] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 1000000 steps (224169 resets) in 984 ms. (1015 steps per ms)
BEST_FIRST walk for 1000000 steps (103441 resets) in 515 ms. (1937 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[64]
[2024-05-28 20:33:10] [INFO ] Invariant cache hit.
[2024-05-28 20:33:10] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-28 20:33:10] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-28 20:33:10] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-28 20:33:10] [INFO ] State equation strengthened by 38 read => feed constraints.
[2024-05-28 20:33:10] [INFO ] [Real]Added 38 Read/Feed constraints in 9 ms returned sat
[2024-05-28 20:33:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:33:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-28 20:33:10] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-28 20:33:10] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2024-05-28 20:33:10] [INFO ] [Nat]Added 38 Read/Feed constraints in 9 ms returned sat
[2024-05-28 20:33:10] [INFO ] Computed and/alt/rep : 23/58/23 causal constraints (skipped 78 transitions) in 8 ms.
[2024-05-28 20:33:10] [INFO ] Added : 14 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[64]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 102/102 transitions.
Applied a total of 0 rules in 5 ms. Remains 92 /92 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 92/92 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-28 20:33:10] [INFO ] Invariant cache hit.
[2024-05-28 20:33:10] [INFO ] Implicit Places using invariants in 94 ms returned []
[2024-05-28 20:33:10] [INFO ] Invariant cache hit.
[2024-05-28 20:33:11] [INFO ] State equation strengthened by 38 read => feed constraints.
[2024-05-28 20:33:11] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 350 ms to find 0 implicit places.
[2024-05-28 20:33:11] [INFO ] Redundant transitions in 1 ms returned []
Running 101 sub problems to find dead transitions.
[2024-05-28 20:33:11] [INFO ] Invariant cache hit.
[2024-05-28 20:33:11] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/194 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 101 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 38/133 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 133 constraints, problems are : Problem set: 0 solved, 101 unsolved in 2817 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/194 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 38/133 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 101/234 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/194 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 234 constraints, problems are : Problem set: 0 solved, 101 unsolved in 5456 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints]
After SMT, in 8397ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 8399ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8760 ms. Remains : 92/92 places, 102/102 transitions.
RANDOM walk for 40000 steps (8958 resets) in 103 ms. (384 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (4194 resets) in 38 ms. (1025 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (4218 resets) in 65 ms. (606 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2513413 steps, run timeout after 3001 ms. (steps per millisecond=837 ) properties seen :1 out of 2
Probabilistic random walk after 2513413 steps, saw 1169312 distinct states, run finished after 3001 ms. (steps per millisecond=837 ) properties seen :1
[2024-05-28 20:33:22] [INFO ] Invariant cache hit.
[2024-05-28 20:33:22] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/52 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 66/120 variables, 54/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/158 variables, 17/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/158 variables, 23/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-28 20:33:22] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 1 ms to minimize.
[2024-05-28 20:33:22] [INFO ] Deduced a trap composed of 11 places in 66 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 158/194 variables, and 99 constraints, problems are : Problem set: 1 solved, 0 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/92 constraints, ReadFeed: 23/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 254ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[64]
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m64-UpperBounds-02 in 14430 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m64-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[12]
// Phase 1: matrix 124 rows 99 cols
[2024-05-28 20:33:22] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 10000 steps (2228 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (1068 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2024-05-28 20:33:22] [INFO ] Invariant cache hit.
[2024-05-28 20:33:23] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-28 20:33:23] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-28 20:33:23] [INFO ] State equation strengthened by 54 read => feed constraints.
[2024-05-28 20:33:23] [INFO ] [Real]Added 54 Read/Feed constraints in 22 ms returned sat
[2024-05-28 20:33:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:33:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-28 20:33:23] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2024-05-28 20:33:23] [INFO ] [Nat]Added 54 Read/Feed constraints in 24 ms returned sat
[2024-05-28 20:33:23] [INFO ] Computed and/alt/rep : 25/67/25 causal constraints (skipped 98 transitions) in 9 ms.
[2024-05-28 20:33:23] [INFO ] Added : 20 causal constraints over 4 iterations in 80 ms. Result :sat
Minimization took 68 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[12]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 124/124 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 98 transition count 122
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 98 transition count 122
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 98 transition count 121
Applied a total of 3 rules in 7 ms. Remains 98 /99 variables (removed 1) and now considering 121/124 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 98/99 places, 121/124 transitions.
// Phase 1: matrix 121 rows 98 cols
[2024-05-28 20:33:23] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 1000000 steps (224524 resets) in 1129 ms. (884 steps per ms)
BEST_FIRST walk for 1000001 steps (103841 resets) in 574 ms. (1739 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2024-05-28 20:33:25] [INFO ] Invariant cache hit.
[2024-05-28 20:33:25] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-28 20:33:25] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-28 20:33:25] [INFO ] State equation strengthened by 53 read => feed constraints.
[2024-05-28 20:33:25] [INFO ] [Real]Added 53 Read/Feed constraints in 19 ms returned sat
[2024-05-28 20:33:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-28 20:33:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-28 20:33:25] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2024-05-28 20:33:25] [INFO ] [Nat]Added 53 Read/Feed constraints in 16 ms returned sat
[2024-05-28 20:33:25] [INFO ] Computed and/alt/rep : 25/65/25 causal constraints (skipped 95 transitions) in 9 ms.
[2024-05-28 20:33:25] [INFO ] Added : 18 causal constraints over 4 iterations in 72 ms. Result :sat
Minimization took 63 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[12]
Support contains 1 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 98/98 places, 121/121 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
[2024-05-28 20:33:25] [INFO ] Invariant cache hit.
[2024-05-28 20:33:25] [INFO ] Implicit Places using invariants in 107 ms returned []
[2024-05-28 20:33:25] [INFO ] Invariant cache hit.
[2024-05-28 20:33:25] [INFO ] State equation strengthened by 53 read => feed constraints.
[2024-05-28 20:33:26] [INFO ] Implicit Places using invariants and state equation in 281 ms returned []
Implicit Place search using SMT with State Equation took 390 ms to find 0 implicit places.
[2024-05-28 20:33:26] [INFO ] Redundant transitions in 1 ms returned []
Running 120 sub problems to find dead transitions.
[2024-05-28 20:33:26] [INFO ] Invariant cache hit.
[2024-05-28 20:33:26] [INFO ] State equation strengthened by 53 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 120 unsolved in 3870 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 120/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (OVERLAPS) 0/219 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 274 constraints, problems are : Problem set: 0 solved, 120 unsolved in 7633 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints]
After SMT, in 11621ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 11625ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12026 ms. Remains : 98/98 places, 121/121 transitions.
RANDOM walk for 40000 steps (8882 resets) in 94 ms. (421 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (4159 resets) in 51 ms. (769 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (4112 resets) in 50 ms. (784 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 903634 steps, run timeout after 3001 ms. (steps per millisecond=301 ) properties seen :0 out of 2
Probabilistic random walk after 903634 steps, saw 385289 distinct states, run finished after 3001 ms. (steps per millisecond=301 ) properties seen :0
[2024-05-28 20:33:40] [INFO ] Invariant cache hit.
[2024-05-28 20:33:40] [INFO ] State equation strengthened by 53 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 104/213 variables, 77/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 27/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 10 (OVERLAPS) 6/219 variables, 2/148 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 6/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 1 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 1/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 104/213 variables, 77/119 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 1/120 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 27/147 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/213 variables, 0/147 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/219 variables, 2/149 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 6/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/219 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/219 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 155 constraints, problems are : Problem set: 1 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 327ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 4 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 98/98 places, 121/121 transitions.
RANDOM walk for 40000 steps (8962 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (4052 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2394931 steps, run timeout after 3001 ms. (steps per millisecond=798 ) properties seen :0 out of 1
Probabilistic random walk after 2394931 steps, saw 1004826 distinct states, run finished after 3002 ms. (steps per millisecond=797 ) properties seen :0
[2024-05-28 20:33:44] [INFO ] Invariant cache hit.
[2024-05-28 20:33:44] [INFO ] State equation strengthened by 53 read => feed constraints.
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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 104/213 variables, 77/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 27/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/219 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 6/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 104/213 variables, 77/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 27/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/213 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/219 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 6/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/219 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/219 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 155 constraints, problems are : Problem set: 0 solved, 1 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 290ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 1 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 98/98 places, 121/121 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
[2024-05-28 20:33:44] [INFO ] Invariant cache hit.
[2024-05-28 20:33:44] [INFO ] Implicit Places using invariants in 106 ms returned []
[2024-05-28 20:33:44] [INFO ] Invariant cache hit.
[2024-05-28 20:33:44] [INFO ] State equation strengthened by 53 read => feed constraints.
[2024-05-28 20:33:44] [INFO ] Implicit Places using invariants and state equation in 292 ms returned []
Implicit Place search using SMT with State Equation took 401 ms to find 0 implicit places.
[2024-05-28 20:33:44] [INFO ] Redundant transitions in 1 ms returned []
Running 120 sub problems to find dead transitions.
[2024-05-28 20:33:44] [INFO ] Invariant cache hit.
[2024-05-28 20:33:44] [INFO ] State equation strengthened by 53 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 120 unsolved in 3667 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 120/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (OVERLAPS) 0/219 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 274 constraints, problems are : Problem set: 0 solved, 120 unsolved in 7680 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints]
After SMT, in 11466ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 11468ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11880 ms. Remains : 98/98 places, 121/121 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 113
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 14 place count 92 transition count 113
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 14 place count 92 transition count 98
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 44 place count 77 transition count 98
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 56 place count 71 transition count 92
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 70 transition count 101
Applied a total of 58 rules in 12 ms. Remains 70 /98 variables (removed 28) and now considering 101/121 (removed 20) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 70 cols
[2024-05-28 20:33:56] [INFO ] Computed 4 invariants in 1 ms
[2024-05-28 20:33:56] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-28 20:33:56] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-28 20:33:56] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-28 20:33:56] [INFO ] After 49ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-28 20:33:56] [INFO ] Deduced a trap composed of 39 places in 42 ms of which 1 ms to minimize.
[2024-05-28 20:33:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
TRAPS : Iteration 1
[2024-05-28 20:33:56] [INFO ] After 129ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-28 20:33:56] [INFO ] After 169ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 213 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[12]
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m64-UpperBounds-07 in 33548 ms.
[2024-05-28 20:33:56] [INFO ] Flatten gal took : 63 ms
[2024-05-28 20:33:56] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2024-05-28 20:33:56] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 99 places, 124 transitions and 491 arcs took 7 ms.
Total runtime 149657 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running SieveSingleMsgMbox-PT-d2m64
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/416/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 99
TRANSITIONS: 124
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.005s, Sys 0.000s]
SAVING FILE /home/mcc/execution/416/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.001s]
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 895
MODEL NAME: /home/mcc/execution/416/model
99 places, 124 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
CANNOT_COMPUTE
EXITCODE: 87
----------------------------------------------------------------------
BK_STOP 1716929269376
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
MEDDLY ERROR: Insufficient memory
MEDDLY ERROR: Insufficient memory
MEDDLY ERROR: Insufficient memory
MEDDLY ERROR: Insufficient memory
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="SieveSingleMsgMbox-PT-d2m64"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is SieveSingleMsgMbox-PT-d2m64, 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 r377-smll-171683809800133"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m64.tgz
mv SieveSingleMsgMbox-PT-d2m64 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;