---------- [CONFIGURATION] ----------
action 0 takes 1 units of time to execute
action 1 takes 1 units of time to execute
action 2 takes 1 units of time to execute
action 3 takes 1 units of time to execute
action 0 and action 2 share token 0
action 1 and action 2 share token 1
action 1 and action 3 share token 2
action 2 and action 3 share token 3

---------- [Alg1 STEP 0] ----------
action 0 is holding tokens 0
action 1 is holding tokens 1,2
action 2 is holding tokens 3
action 3 is holding tokens 
action 0 received a request from action 2 for token 0
action 1 received a request from action 3 for token 2
action 0 is executing
action 1 is executing

---------- [Alg1 STEP 1] ----------
action 0 is holding tokens 
action 1 is holding tokens 1
action 2 is holding tokens 0,3
action 3 is holding tokens 2
action 2 received a request from action 0 for token 0
action 3 received a request from action 1 for token 2
action 2 is sending request to action 1 for token 1
action 3 is sending request to action 2 for token 3

---------- [Alg1 STEP 2] ----------
action 0 is holding tokens 
action 1 is holding tokens 1
action 2 is holding tokens 0,3
action 3 is holding tokens 2
action 1 received a request from action 2 for token 1
action 2 received a request from action 0 for token 0
action 2 received a request from action 3 for token 3
action 3 received a request from action 1 for token 2

---------- [Alg1 STEP 3] ----------
action 0 is holding tokens 
action 1 is holding tokens 1
action 2 is holding tokens 0
action 3 is holding tokens 2,3
action 1 received a request from action 2 for token 1
action 2 received a request from action 0 for token 0
action 3 received a request from action 1 for token 2
action 3 is executing

---------- [Alg1 STEP 4] ----------
action 0 is holding tokens 
action 1 is holding tokens 1,2
action 2 is holding tokens 0
action 3 is holding tokens 3
action 1 received a request from action 2 for token 1
action 1 received a request from action 3 for token 2
action 2 received a request from action 0 for token 0
action 1 is executing

---------- [Alg1 STEP 5] ----------
action 0 is holding tokens 
action 1 is holding tokens 
action 2 is holding tokens 0,1
action 3 is holding tokens 2,3
action 2 received a request from action 0 for token 0
action 2 received a request from action 1 for token 1
action 2 is sending request to action 3 for token 3
action 3 is executing

---------- [Alg1 STEP 6] ----------
action 0 is holding tokens 
action 1 is holding tokens 
action 2 is holding tokens 0,1
action 3 is holding tokens 2,3
action 2 received a request from action 0 for token 0
action 2 received a request from action 1 for token 1
action 3 received a request from action 2 for token 3
action 3 is executing

---------- [Alg1 STEP 7] ----------
action 0 is holding tokens 
action 1 is holding tokens 
action 2 is holding tokens 0,1,3
action 3 is holding tokens 2
action 2 received a request from action 0 for token 0
action 2 received a request from action 1 for token 1
action 2 received a request from action 3 for token 3
action 2 is executing

---------- [SUMMARY of Alg1] ----------
concurrency for step 0: 2
concurrency for step 1: 0
concurrency for step 2: 0
concurrency for step 3: 1
concurrency for step 4: 1
concurrency for step 5: 1
concurrency for step 6: 1
concurrency for step 7: 1
action 0 executed 1 times
action 1 executed 2 times
action 2 executed 1 times
action 3 executed 3 times
total number of action executions: 7
total number of messages sent: 4
total amount of concurrency: 7/32 = 21%
fairness in execution: 1/3 = 33%
fairness in execution steps: 1/3 = 33%