Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r233-tall-167856418900413.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is LamportFastMutEx-PT-4, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856418900413
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 980K
-rw-r--r-- 1 mcc users 15K Feb 25 13:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K Feb 25 13:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 15K Feb 25 13:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 78K Feb 25 13:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.8K Feb 25 16:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Feb 25 16:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 35K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 46K Feb 25 13:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 334K Feb 25 13:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 22K Feb 25 13:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 111K Feb 25 13:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.3K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 114K Mar 5 18:22 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 LamportFastMutEx-PT-4-UpperBounds-00
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-01
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-02
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-03
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-04
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-05
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-06
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-07
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-08
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-09
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-10
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-11
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-12
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-13
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-14
FORMULA_NAME LamportFastMutEx-PT-4-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679516324022

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-PT-4
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 20:18:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-22 20:18:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 20:18:45] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2023-03-22 20:18:45] [INFO ] Transformed 135 places.
[2023-03-22 20:18:45] [INFO ] Transformed 230 transitions.
[2023-03-22 20:18:45] [INFO ] Found NUPN structural information;
[2023-03-22 20:18:45] [INFO ] Completing missing partition info from NUPN : creating a component with [P_start_1_0, P_start_1_1, P_start_1_2, P_start_1_3, P_start_1_4, P_b_0_false, P_b_0_true, P_b_1_false, P_b_1_true, P_b_2_false, P_b_2_true, P_b_3_false, P_b_3_true, P_b_4_false, P_b_4_true, P_setx_3_0, P_setx_3_1, P_setx_3_2, P_setx_3_3, P_setx_3_4, P_setbi_5_0, P_setbi_5_1, P_setbi_5_2, P_setbi_5_3, P_setbi_5_4, P_ify0_4_0, P_ify0_4_1, P_ify0_4_2, P_ify0_4_3, P_ify0_4_4, P_sety_9_0, P_sety_9_1, P_sety_9_2, P_sety_9_3, P_sety_9_4, P_ifxi_10_0, P_ifxi_10_1, P_ifxi_10_2, P_ifxi_10_3, P_ifxi_10_4, P_setbi_11_0, P_setbi_11_1, P_setbi_11_2, P_setbi_11_3, P_setbi_11_4, P_fordo_12_0, P_fordo_12_1, P_fordo_12_2, P_fordo_12_3, P_fordo_12_4, P_wait_0_0, P_wait_0_1, P_wait_0_2, P_wait_0_3, P_wait_0_4, P_wait_1_0, P_wait_1_1, P_wait_1_2, P_wait_1_3, P_wait_1_4, P_wait_2_0, P_wait_2_1, P_wait_2_2, P_wait_2_3, P_wait_2_4, P_wait_3_0, P_wait_3_1, P_wait_3_2, P_wait_3_3, P_wait_3_4, P_wait_4_0, P_wait_4_1, P_wait_4_2, P_wait_4_3, P_wait_4_4, P_await_13_0, P_await_13_1, P_await_13_2, P_await_13_3, P_await_13_4, P_done_0_0, P_done_0_1, P_done_0_2, P_done_0_3, P_done_0_4, P_done_1_0, P_done_1_1, P_done_1_2, P_done_1_3, P_done_1_4, P_done_2_0, P_done_2_1, P_done_2_2, P_done_2_3, P_done_2_4, P_done_3_0, P_done_3_1, P_done_3_2, P_done_3_3, P_done_3_4, P_done_4_0, P_done_4_1, P_done_4_2, P_done_4_3, P_done_4_4, P_ifyi_15_0, P_ifyi_15_1, P_ifyi_15_2, P_ifyi_15_3, P_ifyi_15_4, P_awaity_0, P_awaity_1, P_awaity_2, P_awaity_3, P_awaity_4, P_CS_21_0, P_CS_21_1, P_CS_21_2, P_CS_21_3, P_CS_21_4, P_setbi_24_0, P_setbi_24_1, P_setbi_24_2, P_setbi_24_3, P_setbi_24_4]
[2023-03-22 20:18:45] [INFO ] Parsed PT model containing 135 places and 230 transitions and 990 arcs in 117 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 33 places in 1 ms
Reduce places removed 33 places and 50 transitions.
FORMULA LamportFastMutEx-PT-4-UpperBounds-02 4 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 144 out of 180 initially.
// Phase 1: matrix 144 rows 102 cols
[2023-03-22 20:18:45] [INFO ] Computed 26 place invariants in 15 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 13) seen :40
FORMULA LamportFastMutEx-PT-4-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-00 4 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 5) seen :22
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 5) seen :23
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 5) seen :21
FORMULA LamportFastMutEx-PT-4-UpperBounds-05 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 4) seen :22
[2023-03-22 20:18:46] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
// Phase 1: matrix 144 rows 102 cols
[2023-03-22 20:18:46] [INFO ] Computed 26 place invariants in 4 ms
[2023-03-22 20:18:46] [INFO ] [Real]Absence check using 26 positive place invariants in 12 ms returned sat
[2023-03-22 20:18:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:46] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2023-03-22 20:18:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:18:46] [INFO ] [Nat]Absence check using 26 positive place invariants in 8 ms returned sat
[2023-03-22 20:18:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:46] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2023-03-22 20:18:46] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-22 20:18:46] [INFO ] [Nat]Added 40 Read/Feed constraints in 14 ms returned sat
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 2 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 0 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 1 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 2 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 1 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 1 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 0 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
[2023-03-22 20:18:46] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 462 ms
[2023-03-22 20:18:46] [INFO ] [Real]Absence check using 26 positive place invariants in 5 ms returned sat
[2023-03-22 20:18:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:46] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2023-03-22 20:18:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:18:46] [INFO ] [Nat]Absence check using 26 positive place invariants in 5 ms returned sat
[2023-03-22 20:18:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:46] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2023-03-22 20:18:46] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 9 places in 33 ms of which 1 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 8 trap constraints in 325 ms
[2023-03-22 20:18:47] [INFO ] [Real]Absence check using 26 positive place invariants in 5 ms returned sat
[2023-03-22 20:18:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:47] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2023-03-22 20:18:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:18:47] [INFO ] [Nat]Absence check using 26 positive place invariants in 5 ms returned sat
[2023-03-22 20:18:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:47] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2023-03-22 20:18:47] [INFO ] [Nat]Added 40 Read/Feed constraints in 15 ms returned sat
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 9 places in 47 ms of which 1 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 1 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 0 ms to minimize.
[2023-03-22 20:18:47] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 405 ms
[2023-03-22 20:18:47] [INFO ] [Real]Absence check using 26 positive place invariants in 9 ms returned sat
[2023-03-22 20:18:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:47] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2023-03-22 20:18:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:18:47] [INFO ] [Nat]Absence check using 26 positive place invariants in 6 ms returned sat
[2023-03-22 20:18:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:48] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-22 20:18:48] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 0 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2023-03-22 20:18:48] [INFO ] Computed and/alt/rep : 128/512/128 causal constraints (skipped 12 transitions) in 10 ms.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 1 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 0 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 0 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 1 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 1 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 31 places in 43 ms of which 0 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 30 places in 39 ms of which 0 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 1 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 0 ms to minimize.
[2023-03-22 20:18:48] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 477 ms
[2023-03-22 20:18:48] [INFO ] Added : 56 causal constraints over 14 iterations in 650 ms. Result :sat
Minimization took 64 ms.
Current structural bounds on expressions (after SMT) : [12, 3, 12, 4] Max seen :[12, 3, 12, 1]
FORMULA LamportFastMutEx-PT-4-UpperBounds-06 12 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-04 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-UpperBounds-01 12 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 4 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 180/180 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 176
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 12 place count 98 transition count 172
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 16 place count 94 transition count 172
Applied a total of 16 rules in 30 ms. Remains 94 /102 variables (removed 8) and now considering 172/180 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 94/102 places, 172/180 transitions.
Normalized transition count is 136 out of 172 initially.
// Phase 1: matrix 136 rows 94 cols
[2023-03-22 20:18:48] [INFO ] Computed 26 place invariants in 3 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1498 ms. (steps per millisecond=667 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 533 ms. (steps per millisecond=1876 ) properties (out of 1) seen :1
[2023-03-22 20:18:50] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
// Phase 1: matrix 136 rows 94 cols
[2023-03-22 20:18:50] [INFO ] Computed 26 place invariants in 3 ms
[2023-03-22 20:18:50] [INFO ] [Real]Absence check using 26 positive place invariants in 5 ms returned sat
[2023-03-22 20:18:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:51] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2023-03-22 20:18:51] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:18:51] [INFO ] [Nat]Absence check using 26 positive place invariants in 4 ms returned sat
[2023-03-22 20:18:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:51] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2023-03-22 20:18:51] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-22 20:18:51] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2023-03-22 20:18:51] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 0 ms to minimize.
[2023-03-22 20:18:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2023-03-22 20:18:51] [INFO ] Computed and/alt/rep : 116/496/116 causal constraints (skipped 16 transitions) in 9 ms.
[2023-03-22 20:18:51] [INFO ] Deduced a trap composed of 9 places in 22 ms of which 1 ms to minimize.
[2023-03-22 20:18:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2023-03-22 20:18:51] [INFO ] Added : 36 causal constraints over 8 iterations in 135 ms. Result :sat
Minimization took 57 ms.
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 4 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 172/172 transitions.
Applied a total of 0 rules in 7 ms. Remains 94 /94 variables (removed 0) and now considering 172/172 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 94/94 places, 172/172 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 172/172 transitions.
Applied a total of 0 rules in 6 ms. Remains 94 /94 variables (removed 0) and now considering 172/172 (removed 0) transitions.
[2023-03-22 20:18:51] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2023-03-22 20:18:51] [INFO ] Invariant cache hit.
[2023-03-22 20:18:51] [INFO ] Implicit Places using invariants in 83 ms returned [62, 63, 64, 65]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 85 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 90/94 places, 172/172 transitions.
Applied a total of 0 rules in 6 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 97 ms. Remains : 90/94 places, 172/172 transitions.
Normalized transition count is 136 out of 172 initially.
// Phase 1: matrix 136 rows 90 cols
[2023-03-22 20:18:51] [INFO ] Computed 22 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1366 ms. (steps per millisecond=732 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 519 ms. (steps per millisecond=1926 ) properties (out of 1) seen :1
[2023-03-22 20:18:53] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
// Phase 1: matrix 136 rows 90 cols
[2023-03-22 20:18:53] [INFO ] Computed 22 place invariants in 5 ms
[2023-03-22 20:18:53] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned sat
[2023-03-22 20:18:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:53] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2023-03-22 20:18:53] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:18:53] [INFO ] [Nat]Absence check using 22 positive place invariants in 5 ms returned sat
[2023-03-22 20:18:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:53] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2023-03-22 20:18:53] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-22 20:18:53] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2023-03-22 20:18:53] [INFO ] Computed and/alt/rep : 120/496/120 causal constraints (skipped 12 transitions) in 8 ms.
[2023-03-22 20:18:53] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 0 ms to minimize.
[2023-03-22 20:18:53] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 0 ms to minimize.
[2023-03-22 20:18:53] [INFO ] Deduced a trap composed of 9 places in 20 ms of which 1 ms to minimize.
[2023-03-22 20:18:53] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 157 ms
[2023-03-22 20:18:53] [INFO ] Added : 60 causal constraints over 12 iterations in 306 ms. Result :sat
Minimization took 77 ms.
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 172/172 transitions.
Applied a total of 0 rules in 6 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 90/90 places, 172/172 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 172/172 transitions.
Applied a total of 0 rules in 6 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
[2023-03-22 20:18:53] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2023-03-22 20:18:53] [INFO ] Invariant cache hit.
[2023-03-22 20:18:54] [INFO ] Implicit Places using invariants in 84 ms returned []
[2023-03-22 20:18:54] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2023-03-22 20:18:54] [INFO ] Invariant cache hit.
[2023-03-22 20:18:54] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-22 20:18:54] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 196 ms to find 0 implicit places.
[2023-03-22 20:18:54] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-22 20:18:54] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2023-03-22 20:18:54] [INFO ] Invariant cache hit.
[2023-03-22 20:18:54] [INFO ] Dead Transitions using invariants and state equation in 77 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 297 ms. Remains : 90/90 places, 172/172 transitions.
Starting property specific reduction for LamportFastMutEx-PT-4-UpperBounds-07
Normalized transition count is 136 out of 172 initially.
// Phase 1: matrix 136 rows 90 cols
[2023-03-22 20:18:54] [INFO ] Computed 22 place invariants in 2 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :1
[2023-03-22 20:18:54] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
// Phase 1: matrix 136 rows 90 cols
[2023-03-22 20:18:54] [INFO ] Computed 22 place invariants in 4 ms
[2023-03-22 20:18:54] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned sat
[2023-03-22 20:18:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:54] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2023-03-22 20:18:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:18:54] [INFO ] [Nat]Absence check using 22 positive place invariants in 5 ms returned sat
[2023-03-22 20:18:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:54] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2023-03-22 20:18:54] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-22 20:18:54] [INFO ] [Nat]Added 24 Read/Feed constraints in 4 ms returned sat
[2023-03-22 20:18:54] [INFO ] Computed and/alt/rep : 120/496/120 causal constraints (skipped 12 transitions) in 8 ms.
[2023-03-22 20:18:54] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 0 ms to minimize.
[2023-03-22 20:18:54] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 0 ms to minimize.
[2023-03-22 20:18:54] [INFO ] Deduced a trap composed of 9 places in 21 ms of which 0 ms to minimize.
[2023-03-22 20:18:54] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 148 ms
[2023-03-22 20:18:54] [INFO ] Added : 60 causal constraints over 12 iterations in 290 ms. Result :sat
Minimization took 78 ms.
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 172/172 transitions.
Applied a total of 0 rules in 6 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 90/90 places, 172/172 transitions.
Normalized transition count is 136 out of 172 initially.
// Phase 1: matrix 136 rows 90 cols
[2023-03-22 20:18:54] [INFO ] Computed 22 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1400 ms. (steps per millisecond=714 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 538 ms. (steps per millisecond=1858 ) properties (out of 1) seen :1
[2023-03-22 20:18:56] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
// Phase 1: matrix 136 rows 90 cols
[2023-03-22 20:18:56] [INFO ] Computed 22 place invariants in 4 ms
[2023-03-22 20:18:56] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned sat
[2023-03-22 20:18:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:56] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2023-03-22 20:18:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:18:56] [INFO ] [Nat]Absence check using 22 positive place invariants in 5 ms returned sat
[2023-03-22 20:18:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:18:56] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-22 20:18:56] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-22 20:18:56] [INFO ] [Nat]Added 24 Read/Feed constraints in 4 ms returned sat
[2023-03-22 20:18:56] [INFO ] Computed and/alt/rep : 120/496/120 causal constraints (skipped 12 transitions) in 9 ms.
[2023-03-22 20:18:57] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 0 ms to minimize.
[2023-03-22 20:18:57] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 0 ms to minimize.
[2023-03-22 20:18:57] [INFO ] Deduced a trap composed of 9 places in 24 ms of which 0 ms to minimize.
[2023-03-22 20:18:57] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 159 ms
[2023-03-22 20:18:57] [INFO ] Added : 60 causal constraints over 12 iterations in 306 ms. Result :sat
Minimization took 77 ms.
Current structural bounds on expressions (after SMT) : [4] Max seen :[1]
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 172/172 transitions.
Applied a total of 0 rules in 6 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 90/90 places, 172/172 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 172/172 transitions.
Applied a total of 0 rules in 6 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
[2023-03-22 20:18:57] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2023-03-22 20:18:57] [INFO ] Invariant cache hit.
[2023-03-22 20:18:57] [INFO ] Implicit Places using invariants in 70 ms returned []
[2023-03-22 20:18:57] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2023-03-22 20:18:57] [INFO ] Invariant cache hit.
[2023-03-22 20:18:57] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-22 20:18:57] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
[2023-03-22 20:18:57] [INFO ] Redundant transitions in 7 ms returned []
[2023-03-22 20:18:57] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2023-03-22 20:18:57] [INFO ] Invariant cache hit.
[2023-03-22 20:18:57] [INFO ] Dead Transitions using invariants and state equation in 77 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 291 ms. Remains : 90/90 places, 172/172 transitions.
Ending property specific reduction for LamportFastMutEx-PT-4-UpperBounds-07 in 3402 ms.
[2023-03-22 20:18:57] [INFO ] Flatten gal took : 41 ms
[2023-03-22 20:18:57] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-22 20:18:57] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 90 places, 172 transitions and 772 arcs took 3 ms.
Total runtime 12327 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/679/ub_0_
FORMULA LamportFastMutEx-PT-4-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679516340699

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023
ub formula name LamportFastMutEx-PT-4-UpperBounds-07
ub formula formula --maxsum=/tmp/679/ub_0_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 90 places, 172 transitions and 772 arcs
pnml2lts-sym: Petri net LamportFastMutEx_PT_4 analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.010 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 172->144 groups
pnml2lts-sym: Regrouping took 0.020 real 0.030 user 0.000 sys
pnml2lts-sym: state vector length is 90; there are 144 groups
pnml2lts-sym: Computing maximum sum over 4 state variables.
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: Exploration took 537535 group checks and 0 next state calls
pnml2lts-sym: reachability took 1.540 real 6.140 user 0.030 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state space has 1498496 states, 76254 nodes
pnml2lts-sym: Maximum sum of /tmp/679/ub_0_ is: 1
pnml2lts-sym: group_next: 1278 nodes total
pnml2lts-sym: group_explored: 1480 nodes, 1532 short vectors total
pnml2lts-sym: max token count: 1

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="LamportFastMutEx-PT-4"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is LamportFastMutEx-PT-4, 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 r233-tall-167856418900413"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-PT-4.tgz
mv LamportFastMutEx-PT-4 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;